General Knowledge Flashcards
1
Q
Which of these is not a type of retarder?
a) Electric
b) Hydraulic
c) Robotic
A
c) Robotic
2
Q
Buses and trucks are subject to certain laws and regulations. Which of the following are true?
a) County and city laws do not apply to trucks and buses engaged in interstate commerce
b) Federal regulations apply only to trucks and buses driven at 50 mph
c) Laws and restriction can vary from place to place
A
c) Laws and restriction can vary from place to place
3
Q
When approaching a bridge on a two lane road you should:
a) Drive in the center of the bridge
b) Check the weight limit of the bridge
c) Slow down to 25 mph on the bridge
A
b) Check the weight limit of the bridge
4
Q
Which of the statements is true?
a)Most people are more alert in the night than during the day
b) Most hazards are easier to see at night than during the day
c) Many heavy vehicle accidents occur between midnight and 6 AM
A
c) Many heavy vehicle accidents occur between midnight and 6 AM
5
Q
Which of the following statements about an inspection of the suspension components is true?
a) Distorted springs ae safe as long as they are not broken
b) Axel’s mount should be checked at each point they are secured on the vehicle frames and axels
c) Suspension components should be checked at all axels except the following unit
A
b) Axel’s mount should be checked at each point they are secured on the vehicle frames and axels
6
Q
You should be checking your brakes and suspension system for a pre-trip inspection. Which of the following statements is true?
a) Just missing a leaf in a leaf spring is not dangerous
b) Spring hangers that are cracked but still tight are not dangerous
c) Brake shoes should not have oil, grease or brake fluid on them
A
c) Brake shoes should not have oil, grease or brake fluid on them
7
Q
Why may tourists be a hazard?
a) They drive rented cars
b) They may move slowly, unexpectedly change lanes or stop
c) Police don’t stop them
A
b) They may move slowly, unexpectedly change lanes or stop
8
Q
What keeps the engine cool in hot weather driving?
a) Enough engine oil level
b) Air conditioning use
c) High speed driving in order to put more air to the radiator
A
a) Enough engine oil level
9
Q
Cargo inspection:
a) Is most often no the responsibility of the driver
b) Should be performed after every break you take while driving
c) Are needed only if hazardous materials are being hauled
A
b) Should be performed after every break you take while driving
10
Q
A vehicle is loaded with very little weight on the driver axle. Which of the following may occur?
a) Poor traction
b) Damage to drive axle tires
c) Better handling
A
a) Poor traction
11
Q
If your vehicle catches fire while you are driving, you should
a) Park in a open area
b) Park where buildings or trees shelter your vehicle from the wind
c) Increase your speed to put out the flames
A
a) Park in a open area
12
Q
Turn signals should be used:
a)At least 100 feet before turning or changing lanes
b) At least 150 feet before turning or changing lanes
c) At least 200 feet before turning or changing lanes
A
a)At least 100 feet before turning or changing lanes
13
Q
When should you test your parking brake?
a) While the vehicle is at a very slow speed
b) While your vehicle is parked
c) When backing
A
b) While your vehicle is parked
14
Q
Should brake adjustments be checked often?
a)It depends on how new the brakes are
b) No, because the other brakes will make up for the air brakes when they are out of adjustments
c) Yes, because breaks can go out of adjustments when they are used a lot
A
c) Yes, because breaks can go out of adjustments when they are used a lot
15
Q
Which of the following is true about mirror adjustment?
a)You should adjust your mirrors before starting your trip
b) You should adjust your mirrors while you are driving
c) The mirrors can be adjusted correctly even if the trailer is not straight
A
a)You should adjust your mirrors before starting your trip
16
Q
When you are driving on a snow packed road, you should reduce your speed by
a) 1/3
b) 1/4
c) 1/2
A
c) 1/2
17
Q
The bridge formula
a) Permits less maximum axle weight for the axles that are close together b) Permits less maximum axle weight for the axles that are far apart
c) Permits the same axle weight for any axle
A
a) Permits less maximum axle weight for the axles that are close together
18
Q
Which of these is true for hours of service?
a) After you have reached a thousand hours of service you will be exempted from service regulation
b) You should allow enough hours for rest
c) You have to make a break for every two hours of driving
A
b) You should allow enough hours for rest
19
Q
Which of the following is true about use of drugs while driving?
a) Prescription or non prescription drugs are allowed at any time of driving
b) Use of amphetamines is allowed if you are using this drug to stay alert
c) Prescription drugs are allowed if a doctor says it will not impact driving ability
A
c) Prescription drugs are allowed if a doctor says it will not impact driving ability
20
Q
Which of these is true about proper use of the steering wheel?
a) If you don’t hold the wheel with both hands, it will pull away from you
b) If you have reached a cruising speed on a highway you can drive with one hand
c) Only with the attempt of a difficult turn should you use both hands
A
a) If you don’t hold the wheel with both hands, it will pull away from you
21
Q
When should a helper be used when backing your vehicle?
a) Only if you need to park
b) Whenever you have to back
c) Only if you have a trailer to the vehicle
A
b) Whenever you have to back
22
Q
You should signal continuously while turning because
a) You need both hands on the wheel to turn safely
b) It is illegal to turn off your signal before completing turn
c) Most vehicles have self-canceling signals
A
a) You need both hands on the wheel to turn safely
23
Q
Which of these should be tested on a vehicle to stop
a) Service brakes
b) Parking brake
c) Hydraulic brakes
A
a) Service brakes
24
Q
Which these is not true about alcohol
a) Alcohol goes directly from the stomach to the bloodstream
b) The drinker can control how fast their body absorbs alcohol
c) BAC is determined by how fast you drink, how much you drink and how much you eat
A
b) The drinker can control how fast their body absorbs alcohol
25
Overweight and oversized loads:
a) Require special permits
b) Can only be driven during the daytime
c) Must be accompanied by police
a) Require special permits
26
Which of the statements about braking is true?
a) The heavier a vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it
b) Brakes respond very quickly when the vehicle is moving very fast
c) Brake fade is not caused by heat
a) The heavier a vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it
27
Which of these pieces of emergency equipment should always be carried on your vehicle?
a) Tire repair kit
b) First aid kit
c) Warning devices for a parked vehicle
c) Warning devices for a parked vehicle
28
In mountain driving you should go slow for safety. Which of these is most important?
a) Weight of the vehicle
b) The tread type
c) Depth of tread
a) Weight of the vehicle
29
You must keep the papers for hauling hazardous material:
a) Under the driving seat
b) In the pouch of the driving door
c) In the glove compartment which must be working
b) In the pouch of the driving door
30
You will be placed out of service for 24 hours if your blood alcohol concentration (BAC) is:
a) 0.02
b) 0.04
c) Any detectable amount
c) Any detectable amount
31
What does emergency braking mean?
a) Pushing down the brake pedal as hard as you can
b) Responding to a hazard by slowing the vehicle
c) Using the vehicle emergency brakes
b) Responding to a hazard by slowing the vehicle
32
You should try to park so that
a) You can pull forward so that you can leave
b) Park along the curb next to the other vehicle
c) Your vehicle is parked by a tree
a) You can pull forward so that you can leave
33
Which of the following statements is true about using engine brakes?
a) You should use engine brakes as a main way to control your speed
b) Increasing use of engine brakes prevents extra friction between brake shoes apart from the drum
c) Use of brakes on a downhill add to the braking effect of the engine
c) Use of brakes on a downhill add to the braking effect of the engine
34
After starting the engine:
a)The coolant temperature gauge should be read right to normal
b) The oil pressure gauge should be read right to normal
c) The engine oil temperature gauge should be read right to normal
b) The oil pressure gauge should be read right to normal
35
Whenever you double your speed your vehicle has how many times of destructive force if it crashes?
a) 2
b) 3
c) 4
c) 4
36
If you don’t have a CB radio what is the procedure you should follow at an accident scene
a) Protect the area
b) Notify the authorities
c) Care for any injured person
a) Protect the area
37
A hazard:
a) Is any road condition or other road user that is possible danger
b) Cannot turn into an emergency
c) Care for an injured person
a) Is any road condition or other road user that is possible danger
38
You are driving a heavy vehicle. You must exit a highway using an off ramp that curves downhill. You should:
a) Slow to posted speed limit for the off ramp
b) Slow to 5 mph below the speed limit
c) Slow to 15 mph below the posted speed limit
b) Slow to 5 mph below the speed limit
39
Which of these rigs have more chances to off track while making turns?
a) Tractor with 45 feet trailer
b) Tractor with two 27 feet trailers
c) 53 feet straight truck
a) Tractor with 45 feet trailer
40
How much space in front of you is needed while driving on a highway? a) 1 second for every 10 feet of vehicle length
b) 1 second for every 20 feet of vehicle length
c) 1 second for every 30 feet of vehicle length
a) 1 second for every 10 feet of vehicle length
41
Medicine used to treat a common cold:
a) Should only be used while driving during the day
b) Often makes you sleepy and should not be used while driving
c) May still be used while driving if you use half of the regular dose
b) Often makes you sleepy and should not be used while driving
42
Which of these should you not do in an emergency situation?
a) You should brake in a way that keeps the vehicle in a straight line
b) It is not important how you brake in an emergency situation
c) You should avoid using brakes until your speed is down to 40 mph
b) It is not important how you brake in an emergency situation
43
The primary cause of fatal crashes is a) Driving at night
b) Driving while eating
c) Speeding
c) Speeding
44
A car suddenly cuts in front of you, creating a hazard. Which of the following actions should you NOT take?
a) Honk your horn and stay close behind the car
b) Signal and change lanes to prevent a hazard
c) Slow down to prevent a crash
a) Honk your horn and stay close behind the car
45
Why does your vehicle's speed naturally increase on a downhill?
a) Gravity
b) Engine runs smoother
c) Lack of traction
a) Gravity
46
During the vehicle inspection, the checking of ________ will not prevent a fire?
a) Cargo ventilation
b) Battery fluid level
c) Electrical system isolation
b) Battery fluid level
47
When is it necessary to learn how a fire extinguisher runs?
a) Before the fore happens
b) Only when a fire occurs
c) Only when you are transporting hazardous material
a) Before the fore happens
48
What is the most important reason to inspect your bus or truck?
a) Safety
b) To avoid being cited
c) It is the law
a) Safety
49
Why is it important to shift gears correctly?
a) To keep control of the vehicle
b) To keep the engine warm
c) To keep the engine oil flowing
a) To keep control of the vehicle
50
What 3 distances build total stopping distances of your bus or truck?
a) Attention distance, reaction and slowing distance
b) Response distance, observation distance and braking distance
c) Perception distance, reaction distance and braking distance
c) Perception distance, reaction distance and braking distance
51
Extra care is needed to keep you vehicle centered in your lane because commercial vehicles:
a) Require a lot of room to change lanes
b) Are often wider than other vehicles
c) Tend to sway from time to time
b) Are often wider than other vehicles
52
You should lightly apply your brakes to flash the brake light if
a) You are about to exit the road and need to slow down
b) A police officer is approaching you from the other direction
c) A driver tailgates your vehicle
a) You are about to exit the road and need to slow down
53
Merging is safest if you:
a) Wait for a large enough gap in the traffic to enter the road
b) Bend over into the nearest lane so the other vehicle will you room
c) Gain speed on the shoulder and then merge
a) Wait for a large enough gap in the traffic to enter the road
54
Which of these is not something you should do if your headlights are not working properly?
a) Leave on your high beams
b) Clean your headlights
c) Adjust headlights
a) Leave on your high beams
55
Which of the following statements about backing a heavy vehicle is not true?
a) You should back and turn towards the driver side whenever it is possible
b) You should use a helper and communicate with him using hand signs
c)Because you cannot see you should back slowly until you slightly bump into the dock
c)Because you cannot see you should back slowly until you slightly bump into the dock
56
Which of these is true about notifying the authorities after an accident occurs?
a) An exact location is not necessary, just identify the road and the vehicles involved
b) You should notify authorities about an accident before doing anything else
c) If you have a cellular phone or CB radio, you should notify the authorities before exiting the vehicle
c) If you have a cellular phone or CB radio, you should notify the authorities before exiting the vehicle
57
If you are not sure what to use to put out the hazardous materials fire you should:
a) Wait for firefighters
b) Use water
c) Use dirt
a) Wait for firefighters
58
Which of these is not a danger of rough acceleration?
a) Mechanical damage
b) Tire damage
c) Coupling damage
b) Tire damage
59
Which of these lights cannot be checked at the same time?
a) Turn signals, taillights, and clearance lights
b) Turn signals, brake lights and four-way flashers
c) Headlights, brake lights and clearance lights
b) Turn signals, brake lights and four-way flashers
60
If you are inspecting hydraulic brakes, you should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. If the brakes are working properly the pedal should:
a) Depress slightly
b) Sink to the floor
c) Not move
c) Not move
61
Drivers of trucks and tractor trailers with cargo must check that the cargo will secured within the first ______ miles of the trip
a) 25
b) 10
c) 50
c) 50
62
When starting a bus on a level surface with good traction there is often no need for
a) Parking brakes
b) A tire check
c) Slow acceleration
a) Parking brakes
63
How does the weight of the vehicle affect the stopping distance?
a) Fully loaded truck take longer to stop or the buses loaded with passengers take less distance than empty ones
b) Brakes work the same no matter what is the weight of the vehicle for both trucks and buses
c) Empty trucks take longer to stop than if loaded, but his is not normally the case with buses
c) Empty trucks take longer to stop than if loaded, but his is not normally the case with buses
64
Which of the following is not a characteristic of front tire failure?
a) Vehicle’s tail fish
b) Steering wheel twisting
c) Cold steering
a) Vehicle’s tail fish
65
Most skids:
a) Happen on ice
b) Don’t happen with radial tires
c) Are caused by going too fast or trying to stop too quickly
c) Are caused by going too fast or trying to stop too quickly
66
In bad weather many car drivers tailgate large vehicles. What should you do?
a) Increase your following distance
b) Lightly tap your brake to warn the tailgater to drop back
c) Speed up to distance yourself from the tailgater
a) Increase your following distance
67
Which of the following systems should receive extra attention during winter weather inspection?
a) Suspension
b) Exhaust
c) Steering
b) Exhaust
68
In mounting driving you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear?
a) The length of the grade
b) The weight of the load
c) Tire tread’s depth
c) Tire tread’s depth
69
What should you do before driving in the mountains?
a) Know escape ramp locations on the way
b) Unhook your steering axle brake c) Carry tire chains in your vehicle
a) Know escape ramp locations on the way
70
Which of these is true about tires and hot weather?
a) You should check the pressure before driving
b) If a tire is too hot to touch, you should drive on it to cool it off
c) A small amount of air could be let out while air pressure remains stable
a) You should check the pressure before driving
71
You are driving through heavy rain or snow and you can hardly see what is going on outside. You can let the other driver know about you by:
a) Blowing you horn
b) Turning on the inside cabin lights
c) Turning on the lower beam headlights
c) Turning on the lower beam headlights
72
To prevent a load from shifting, there should be at least one tie down for every ___ feet of cargo.
a) 10
b) 15
c) 20
a) 10
73
While driving, ice builds up on your wipes and they no longer clean the windshield. You should:
a) Keep driving and turn your defroster on
b) Keep driving and spray the windshield with washer fluid
c) Stop safely and fix the problem
c) Stop safely and fix the problem
74
When the hydraulic brakes fail while you are driving, the system will not build up pressure and the brake pedal will feel spongy or go to the floor. What should you do?
a) Pump the brake pedal to generate pressure
b) Push down the brake pedal as hard as you can
c) Put the vehicle in neutral and set the parking brake
a) Pump the brake pedal to generate pressure
75
Which may be a sign of a tire failure? a) Wheels skidding
b) A loud hissing noise
c) Vibration
c) Vibration
76
If you are convicted for driving under the influence while driving a commercial vehicle, and this is your first offense, you most likely will get:
a) A probation period of 1 year
b) At least one year suspension of CDL
c) A fine of $250
b) At least one year suspension of CDL
77
If you are stopped at the roadside rest area and found to have a BAC of 0.02 you will:
a) Be placed out of service for 72 hours
b) Be in deep trouble with your dispatcher
c) Be placed out of service for 24 hours
c) Be placed out of service for 24 hours
78
Which of the following statements about speed management is true?
a) If you double your speed, stopping distance will double
b) Empty truck and loaded trucks will have the same stopping distance
c) If you double your speed, stopping distance will be increased by 4 times
c) If you double your speed, stopping distance will be increased by 4 times
79
Which of the following vehicles will have the longest stopping distance? a) Empty truck
b) Loaded truck
c) Bobtail tractor
c) Bobtail tractor
80
How many red reflective triangles are you required to carry?
a) 2
b) 3
c) 4
b) 3
81
What is counter steering?
a) Turning the steering wheel counterclockwise
b) Using the steering axle brakes to prevent oversteering
c) Turning the wheel back in the other direction after steering to avoid traffic emergency
c) Turning the wheel back in the other direction after steering to avoid traffic emergency
82
Which of the following statements about backing a heavy vehicle is true?
a) You should avoid backing whenever you can
b) Helpers should be out of the driver’s sight and they should use only voice (spoken) signals to communicate with the driver
c) It is safer to back towards the right side of the vehicle than towards the driver side
a) You should avoid backing whenever you can
83
Which of the following statements about making a stopped vehicle is true?
a) If a hill or curve keeps drivers that are behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved down the road to give adequate warning
b) You do not need to put reflective triangles unless the vehicle will be stopped for 30 mins or more
c) The vehicle tail lights should be kept on the warn other drivers
a) If a hill or curve keeps drivers that are behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved down the road to give adequate warning
84
Which of the following best describes how you should use the brake pedal on a steep downhill grade?
a) Light pumping action
b) Light steady pressure
c) Repeated strong pressure then release
b) Light steady pressure
85
Which of these is true about the hauling of hazardous materials?
a) Cylinders with compressed gasses should be transported under covers if there is no label on them
b) Such a load should be marked with four-inch diamond shaped labels on containers
c) Such loads should be marked with four-inch circles and red colored labels on the containers
b) Such a load should be marked with four-inch diamond shaped labels on containers
86
Which vehicle will have the most difficulties staying in its lane during strong winds?
a) A double with empty trailers
b) A tractor pulling a loaded flatbed trailer
c) A triple axle vehicle with cargo
a) A double with empty trailers
87
Which of these is true about radiator shutters and the winter front during winter driving?
a) The winter front should be closed tightly
b) Ice should be removed from the radiation shutter
c) The engine may overheat if the winter front is left open
b) Ice should be removed from the radiation shutter
88
What kind of optional equipment except a tire wrench should be in your vehicle?
a) Fully charged fire extinguisher
b) Set of warning devices
c) Battery charger
c) Battery charger
89
Which of these does not provide extra gears on some trucks?
a) Automatic transmission
b) Auxiliary transmission
c) Multi speed rear axle
a) Automatic transmission
90
Which of these is true about tire pressure?
a) Air pressure in tires increases with the temperature
b) You don’t have to check the hot tires because the tire is not blown out
c) The pressure is not to be checked during the trip if it passed the pre-trip inspection
a) Air pressure in tires increases with the temperature
91
You are driving a long vehicle that makes wide turns. You want to turn left from ELSM STREET TO POPLAR street both are two-lane two-way streets. You should:
a) Begin turning your vehicle as soon as you enter the intersection
b) Begin turning your vehicle when you are halfway through the intersection
c) Turn into the left lane of POPLAR street and then move to the right lane when the traffic is clear
b) Begin turning your vehicle when you are halfway through the intersection
92
You must drive on a slippery road. Which of these is a good thing to do in such a situation?
a) Use a smaller following distance
b) Apply the brakes while on curves c) Slow down gradually
c) Slow down gradually
93
Which of these statements about acceleration is true?
a) When traction is poor more power should be applied to the accelerator b) Rough acceleration can cause mechanical damage
c) You should feel a jerking motion if you accelerate your vehicle properly
b) Rough acceleration can cause mechanical damage
94
Which of these statements about brakes is true?
a) The heavier the vehicle or the faster it is moving, the more heat the brakes must absorb to stop
b) Brakes have more stopping power when they get very hot
c) Brake drum cool very quickly when the vehicle is moving very fast
a) The heavier the vehicle or the faster it is moving, the more heat the brakes must absorb to stop
95
High beams should be
a) Used when it is safe and legal to do so
b) Turned on when an oncoming driver does not dim their lights c) Dimmed at the time you get within 100 feet of another vehicle
a) Used when it is safe and legal to do so
96
You can see a marking on a vehicle ahead of you. The marking is a red triangle within an orange center. What does this mark mean?
a) It may be a slow-moving vehicle
b) The vehicle is hauling hazardous material
c) It is being driven by a student driver
a) It may be a slow-moving vehicle
97
Which of these is NOT a part of pre-trip inspection of the engine compartment?
a) Valve clearance
b) Engine oil level
c) Worn electrical wiring insulation
a) Valve clearance
98
The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
a) Stop driving as soon as it is safe to do so
b) Downshift to stop
c) Keep varying your speed by accelerating and braking
a) Stop driving as soon as it is safe to do so
99
When you are passing other vehicles, pedestrians, or bicycles you should assume that:
a) They may be moving to your traffic lane
b) They know you are to pass
c) They see your vehicle
a) They may be moving to your traffic lane
100
In your mirror you see a car approaching from the rear. The next time you check your mirrors; you don’t see the car. To change lanes, you should:
a) Wait to change lanes until you are sure that the car is not in your blind spot
b) Ease into another lane very slowly so cars, which are beside you, can get out of your way
c) Assume that the car left the road and change lanes
a) Wait to change lanes until you are sure that the car is not in your blind spot
101
Which of these is the proper signal to change lanes?
a) Signal early and change lanes slowly and smoothly
b) Signal before the change and move over quickly
c) Signal after you begin changing and cross over slowly
a) Signal early and change lanes slowly and smoothly
102
You are driving in the area with few streetlights. If you cannot see well with your
headlights, which course of action may help?
a) Find another route that is better lit even if it is out of your way b) Turn your interior lights on and adjust your instrument lights
c) Use your high beams when legal and keep your interior lights off
c) Use your high beams when legal and keep your interior lights off
103
Which of these is not required knowledge when a driver has a hazardous material endorsement?
a) Basic chemistry
b) Which products can be loaded together
c) When to use the placards
a) Basic chemistry
104
To determine blood alcohol concentration levels for a person it is necessary to know:
a) How much the person weights
b) How often a person drinks alcohol c) How old a person is
a) How much the person weights
105
Implied consent means:
a) You are giving you consent to inspect your vehicle for alcohol
b) It is understood that you may drink alcohol now and then
c) You are giving your consent to be tested for alcohol in your blood
c) You are giving your consent to be tested for alcohol in your blood
106
The engine brake effect is greater when the engine is ____ governed RPM and the
transmission is on a ___ gear
a) Below, higher
b) Near, lower
c) Above, lower
b) Near, lower
107
Which of these is not a brake check you normally do during your walk-around inspection?
a) Brake adjustment
b) Conditions of hoses
c) Hydraulic brake cylinder leaks
a) Brake adjustment
108
One can recognize hazardous materials by looking on the container
a) Labels
b) Shapes
c) Covers
a) Labels
109
license. You can dive vehicles hauling hazardous materials when:
a) The load of the hazardous materials is 26 pounds of less
b) The vehicle does not require placards
c) A person who has a hazardous material endorsement drives with you
b) The vehicle does not require placards
110
If you have a heavy load that is slowing, you down on an upgrade you should:
a) Shifting to the lower gear
b) Exit the road until traffic is lighter
c) Drive on a shoulder so that others can pass your vehicle
a) Shifting to the lower gear
111
The new BAC (blood alcohol concentration) for commercial drivers to be considered
intoxicated when driving a commercial vehicle is:
a) 0.04
b) 0.01
c) 0.10
a) 0.04
112
Where should the ignition key be during the pre-trip inspection?
a) In your pocket
b) In the ignition
c) On the driver’s seat
a) In your pocket
113
What is true about drivers?
a) Mail or delivery trucks are professionals and do not pose a hazard
b) Drivers who use turn signals should always be trusted to turn in the direction they indicate
c) Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard
c) Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard
114
What is NOT true about bad weather and driving conditions?
a) When the temperature drops, the bridge freezes before the road
b) The road is more slippery when the rain continues than when rain begins
c) Driving conditions become more dangerous when temperature rise above freezing
b) The road is more slippery when the rain continues than when rain begins
115
What of these statements about hazards caused by vehicle fire is true?
a) Poor cargo ventilation may cause cargo to catch on fire
b) Carrying a fully charged fire extinguisher may prevent a fire
c) Underinflating a tire does not cause a vehicle fire
a) Poor cargo ventilation may cause cargo to catch on fire
116
You should wear a seat belt in a moving vehicle:
a) Only when you are driving
b) All the time
c) Only when you are on a highway
b) All the time
117
Controlled braking is:
a) Slamming on the brakes hard and making the wheels lock up
b) Squeezing the brakes firmly without locking them up
c) Pressing the brakes while the wheel lock-up occurs, releasing and then reapplying pressure
b) Squeezing the brakes firmly without locking them up
118
Which of these is true about a commercial vehicle's habit of swinging wide on turns?
a) Off-tracking
b) Wide rounding
c) Side winding
a) Off-tracking
119
Which of these is true about driving in a tunnel?
a) Emergency flashers are required by law
b) Headlights are required by law
c) There may be strong winds when exiting
c) There may be strong winds when exiting
120
You should use your horn when:
a) It helps avoid a crash
b) A car is in the way
c) You want to change lanes
a) It helps avoid a crash
121
The tread depth of a front steering wheels tires should be
a) No less than 4/32 inch
b) More than 6/32 inch
c) No less than 2/32 inch
a) No less than 4/32 inch
122
Your vehicle will be put out of service if _____ or more leaves in any leaf spring are
missing
a) 1/4
b) 1/3
c) 1/2
a) 1/4
123
If your brakes fail on a downgrade, you must first:
a) Look outside of your vehicle for another means of slowing down
b) Hit some object in order to stop your vehicle
c) Find an escape ramp in order to exit the roadway
c) Find an escape ramp in order to exit the roadway
124
You should always turn on your emergency four-way flashes when you:
a) Drive through the mountains
b) Park on the side of the road
c) Cross railway tracks
b) Park on the side of the road
125
To avoid an accident you moved to the shoulder. To return to the road:
a) Ride the shoulder to the next exit and then re-enter the road
b) Using mirrors and turn signals, turn sharply to get back to the road c) Using mirrors and turn signals, return when the road is clear
b) Using mirrors and turn signals, turn sharply to get back to the road
126
Which of these would NOT help if the windshield was covered in ice?
a) Brush
b) Scraper
c) Defroster
a) Brush
127
You are driving a 40-foot vehicle at 55 mph; the road is dry and visibility is good.
What is the least amount of space that you need to have in front of your vehicle?
a) 4 sec
b) 5 sec
c) 6 sec
b) 5 sec
128
What should you do if a car is coming towards you at night and keeps its high beams on?
a) Flash your high beams quickly at the other driver
b) Look to the right lane or edge markings on the road
c) Slow down and look straight ahead in your lane
b) Look to the right lane or edge markings on the road
129
When you are starting to move uphill from a stop
a) Release the parking brakes as you apply engine power
b) Engage the clutch and accelerate quickly
c) Keep the trailer brake hand valve applied until you reach 20 mph
a) Release the parking brakes as you apply engine power
130
What is true about using a heater?
a) You must have at least one extra heater such as mirror heater, battery pack heater or fuel tank heater when temperature drops below freezing
b) If you feel sleepy, warming of your car with the heater will help you stay alert
c) When driving in winter weather, you should check that the heater is working properly before starting your trip
c) When driving in winter weather, you should check that the heater is working properly before starting your trip
131
Why is damage to an exhaust system dangerous?
a) Noise can damage the driver’s ears
b) Poisonous fumes can enter into the cab or sleeping compartment
c) You can pollute the air with the exhaust smoke
b) Poisonous fumes can enter into the cab or sleeping compartment
132
Which of these is NOT a danger when an automatic transmission is forced into a low
gear at a high speed?
a) A loss of engine braking effect
b) Damage to the transmission
c) A loss of steering control
a) A loss of engine braking effect
133
Stab braking should not be used on a vehicle with
a) Trailers
b) Anti Lock brakes
c) Hazardous materials
b) Anti Lock brakes
134
Perception distance is the distance your vehicle travels from the time
a) Your eyes see a hazard to the time your foot pushes the brake pedal
b) The brain tells the foot t push the brake pedal to the time the foot responds
c) The eyes see a hazard to the time the brain knows it is a hazard
c) The eyes see a hazard to the time the brain knows it is a hazard
135
You wish to turn right from one two-lane, two-way street to another. Your vehicle is
so long that you must swing wide to make the turn. Which of these figures show how the turn should be made?
a) Figure a
b) Figure b
c) Figure c
b) Figure b
136
You are driving a vehicle that could safely be driving at 55 mph on an open road. However, traffic is heavy and other vehicles are driving at 35 mph, although the speed limit is 55, the safest speed for your vehicle is most likely to be :
a) 35 mph
b) 45 mph
c) 55 mph
a) 35 mph
137
Which of these statements about using turn signals is true?
a)You do not need to use your turn signal when changing lanes in traffic on a four-lane highway
b) When turning, you should signal early
c) You should use your turn signal to mark your vehicle when it is pulled off on the side of the road
b) When turning, you should signal early
138
Which of these statements about double clutching and shifting is true? a) Double clutching should not be used when the road is slippery
b) Double clutching should only be used with a heavy load
c) You can use the tachometer to tell when to shift
c) You can use the tachometer to tell when to shift
139
You are starting your vehicle from a stop. As you apply power to the driver wheels they start to spin. You should:
a) Take your foot off the accelerator
b) Take your foot off the accelerator and apply the brakes
c)Try a lower gear
a) Take your foot off the accelerator
140
Which of these is the most important thing to remember about emergency braking?
a) Disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking
b) If the wheels are skidding, you cannot control the vehicle
c) Never do it without downshifting first
b) If the wheels are skidding, you cannot control the vehicle
141
Which of these statements about tires and hot-weather driving is true?
a) The air pressure of a tire decreases as the temperature of the tire increases
b) If a tire is too hot to touch, letting five or ten pounds of pressure would cool them down
c) You should inspect your tires every two hours or every 100 miles when driving in very hot weather
c) You should inspect your tires every two hours or every 100 miles when driving in very hot weather
142
Your truck is in a traffic emergency and may collide with another vehicle if you do
not act. Which of these is a good rule to remember at such a time?
a) You can almost always turn to miss an obstacle more quickly than you can stop
b) Stopping is always the safest action in a traffic emergency
c) Leaving the road is always riskier than hitting another vehicle
a) You can almost always turn to miss an obstacle more quickly than you can stop
143
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
a) Slow down to a safe speed before the curve
b) Slow to the posted speed limit for the off-ramp
c) Wait until you are in the curve before downshifting
a) Slow down to a safe speed before the curve
144
You must park on the side of a level, straight, two-lane road. Where should you place the reflective Triangles?
a) One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
b) One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle
c) One about 50 feet to the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle
a) One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
145
You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?
a) Hard braking
b) Steer to the right
c) Steer onto the left shoulder
b) Steer to the right
146
Brake “fade”:
a) Can be caused by the brakes getting very hot
b) Can be corrected by letting up on the brakes for 1-2 seconds and then reapplying them
c) Is a problem that only occurs with drum brakes
a) Can be caused by the brakes getting very hot
147
As the Blood Alcohol Concentration (BAC) goes up, what happens?
a) The drinker more clearly sees how alcohol is affecting him/her
b) Judgment and self-control are affected
c) The drinker can sober up in less time
b) Judgment and self-control are affected
148
Hydroplaning:
a) Only occurs at speed above 50 mph
b) Cannot occur when driving through a puddle
c) Is more likely if tire pressure is low
c) Is more likely if tire pressure is low
149
If you are being tailgated, you should:
a) Increase your following distance
b) Flash your brake lights
c) Signal the tailgater when it is safe to pass you
a) Increase your following distance
150
You do not have a Hazardous Materials Endorsement on your Commercial Driver’s
License. You are asked to deliver hazardous materials in a placarded vehicle. You should:
a) Refuse to haul the load
b) Take the placards off the vehicle
c) Haul the load, but only to the nearest place where a driver with a Hazardous Materials Endorsement can take over
a) Refuse to haul the load
151
Which of these statements about staying alert to drive is true?
a) A half-hour break for coffee will do more to keep you alert than a half-hour nap
b) There are drugs that can overcome fatigue
c) Sleep is the only thing that can overcome fatigue
c) Sleep is the only thing that can overcome fatigue
152
Your vehicle has hydraulic brakes. While traveling on a level road you press the brake
pedal and find that it goes to the floor. Which of these statements is true?
a) You should not downshift if you have an automatic transmission
b) Pumping the brake pedal may bring the pressure up so you can stop the vehicle
c) The parking brake will not work either because it is part of the same hydraulic system
b) Pumping the brake pedal may bring the pressure up so you can stop the vehicle
153
You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?
a) Twice the length of the vehicle
b) Half the length of a football field
c) The length of a football field
c) The length of a football field
154
A full stop is required at a railroad crossing when:
a) There are no flagmen, warning signals or gate at the crossing
b) The nature of the cargo makes a stop mandatory under state or federal regulations
c) The crossing is in a city or town with frequently ran transit
b) The nature of the cargo makes a stop mandatory under state or federal regulations
155
When driving at night you should use your low beams when an oncoming vehicle is
how many feet in front of you?
a) 400
b) 500
c) 300
b) 500
156
When driving through a work zone you should
a) Reduce your speed only if workers are close to the roadway
b) Turn on your parking lights
c) Watch for sharp pavement drop offs
c) Watch for sharp pavement drop offs
157
Braking is a commercial vehicle is:
a) Always dangerous
b) Is not dangerous if you don’t have to turn
c) Not dangerous if you have a helper
a) Always dangerous
158
The center of gravity of a load:
a) Should be kept as high as possible
b) Can make a vehicle more likely to tip over on curves if it is high
c) Is only a problem if the vehicle is overloaded
b) Can make a vehicle more likely to tip over on curves if it is high
159
To prevent brake fade you should:
a) Coast downhill, when it is not steep
b) Apply constant hard pressure on the brakes while driving downhill
c) Select the gear which will keep your vehicle at a safe speed on a deep downgrade
c) Select the gear which will keep your vehicle at a safe speed on a deep downgrade
160
When you are parked at the side of the road at night you must:
a) Turn on your four-way emergency flashers to warn others
b) Put out your emergency warning lights within 30 minutes
c) Use your taillights to give warning to other drivers
a) Turn on your four-way emergency flashers to warn others
161
You must stop on a hill or curve on a two-lane two-way road. How far should you
place reflective triangles?
a) As far back as necessary so others can see you
b) Within 200 feet behind you
c) Within 500 feet behind you
c) Within 500 feet behind you
162
To help you stay alert while driving you should?
a) Schedule trips for hours you are normally asleep
b) Take cold medicine, if you have a cold
c) Take short breaks before you get drowsy
c) Take short breaks before you get drowsy
163
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40
mph on the shoulder. How should you move back onto the pavement?
a) If the shoulder is clear, stay to the right until your vehicle comes to a stop, then move back onto the pavement when it is safe to do so
b) Brake hard to slow the vehicle, then steer sharply onto the pavement
c) Steer sharply onto the pavement, then brake bard as you counter steer
a) If the shoulder is clear, stay to the right until your vehicle comes to a stop, then move back onto the pavement when it is safe to do so
164
Which of these statements about driving in areas with strong winds is true?
a) Winds are a big problem when a truck comes out of a tunnel
b) You should drive alongside other vehicles to help break up the wind
c) The lighter your vehicle, the less trouble you will have with the wind
a) Winds are a big problem when a truck comes out of a tunnel
165
Which of these is a good thing to do when driving at night?
a) Keep your speed slow enough that you can stop within the range of your headlights
b) Only look directly at oncoming headlights briefly
c) Keep your instrument lights bright
a) Keep your speed slow enough that you can stop within the range of your headlights
166
Which of these statements about overhead clearance is true?
a) You should assume posted clearance signs are correct
b) The weight of a vehicle changes its height
c) If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder
b) The weight of a vehicle changes its height
167
Which of these statements about vehicle fires is true?
a) If the cargo in a van or a box trailer catches on fire you should open the cargo doors as soon as you can
b) If your engine is on fire, you should open the hood as soon as you can
c) A burning tire should be cooled with water
c) A burning tire should be cooled with water
168
When the roads are slippery, you should:
a) Drive alongside other vehicles
b) Make turns as gently as possible
c) Stop and test the traction while going uphill
b) Make turns as gently as possible
169
You are checking your brakes and suspension system for a pre-trip inspection. Which
of these statements is NOT true?
a) Brake shoes should have brake fluid on them
b) One missing leaf in a leaf spring can be dangerous
c) A cracked drum should be replaced
a) Brake shoes should have brake fluid on them
170
Which of these is NOT a good rule to follow when caring for injured at an accident scene?
a) If qualified person is helping them, stay out of the way unless asked to assist
b) Keep injured persons cool
c) Move severely injured persons if there is a danger due to fire or passing traffic
b) Keep injured persons cool
171
If you must drive through deep puddles or flowing water, which of these steps can help keep your brakes working?
a) Turning on your brake heater
b) Gently putting on the brakes while driving through the water
c) Applying hard pressure on both the brake pedal and accelerator after coming out of the water
b) Gently putting on the brakes while driving through the water
172
Which of these statements about drugs is true?
a) A driver can use any prescription drug while driving
b) Use of drugs can lead to accidents and/or arrest
c) Amphetamines, (pep pills or bennies), can be used to help the driver stay alert
b) Use of drugs can lead to accidents and/or arrest
173
Which of these is a good thing to remember when crossing or entering traffic with a
heavy vehicle?
a) Heavy vehicles need larger gaps in traffic than cars
b) The best way to cross traffic is to pull the vehicle partway across the road and block one lane while waiting for other to clear
c) Because heavy vehicles are easy to see, you can count on other drivers to move out of your way to slow down for you
a) Heavy vehicles need larger gaps in traffic than cars
174
How do you correct rear wheel acceleration skid?
a) Apply more power to the wheels
b) Stop accelerating
c) Downshift
b) Stop accelerating
175
The purpose of retarders is to
a) Help slow the vehicle while driving and reduce brake wear
b) Apply extra braking power to the non-drive axles
c) Help prevent skids
a) Help slow the vehicle while driving and reduce brake wear
176
Controlled braking:
a) Can be used while you are turning sharply
b) Involves locking the wheels for short periods of time
c) Is used to keep a vehicle in a straight line when braking
c) Is used to keep a vehicle in a straight line when braking
177
Which of these is a good thing to do when steering to avoid a crash?
a) Apply the brakes while turning
b) Steer with one hand so that you can turn the wheel more quickly
c) Do not turn any more than needed to clear what is in your way
c) Do not turn any more than needed to clear what is in your way
178
Which of these statements about certain types of cargo is true?
a) Unstable loads such as hanging meat or livestock can require extra caution on curves
b) Oversize loads can be hauled without special permits during times when the roads are not busy
c) When liquids are hauled, the tank should always be filled completely
a) Unstable loads such as hanging meat or livestock can require extra caution on curves
179
According to the driver’s manual, why should you limit the use of your horn?
a) It can startle other drivers
b) The horn is not a good way to let others know that you are there
c) You should keep a firm grip on the steering wheel with both hands at all times
a) It can startle other drivers
180
Which statement about cold weather driving is true?
a) An engine cannot overheat when the weather is cold
b) Windshield washer antifreeze should be used
c) Exhaust system leaks are less dangerous in cold weather
b) Windshield washer antifreeze should be used
181
When driving at night, you should:
a) Adjust your speed to keep your stopping distance within your sight distance
b) Look to the left side of the road when a vehicle is coming toward you
c) Drive faster when your low beams are on
a) Adjust your speed to keep your stopping distance within your sight distance
182
Which of these statements about speed management is true?
a) Empty trucks always stop in a shorter distance than fully loaded ones
b) When you double our speed (go twice as fast), it will take twice the distance to stop
c) You should choose a speed that lets you stop within the distance that you can see ahead
c) You should choose a speed that lets you stop within the distance that you can see ahead
183
Retarders:
a) Can cause the driver wheels to skid when they have poor traction
b) Cause extra brake wear
c) Work when you apply the brake pedal
a) Can cause the driver wheels to skid when they have poor traction
184
You are required to inspect your truck within how many miles after beginning the trip?
a) 100
b) 150
c) 25
c) 25
185
There are two types of jackknifes: they are
a) Trailer
b) Tractor
c) Both A and B
c) Both A and B
186
When going down a long steep downgrade you should always:
a) Use the braking effect of the engine
b) Use controlled braking
c) Brake when you exceed “safe speed” by 5 mph
a) Use the braking effect of the engine
187
You may hang up on railroad tracks if:
a) You cross the double tracks too slowly
b) The tracks have a steep approach c) You try to shift gear when crossing
b) The tracks have a steep approach
188
What should you do if you are unsure whether you have enough overhead clearance?
a) Slow down slightly and try to driver under object
b) Find another route that will not require driving under the object
c) Estimate the height of topped overhead object if it is not posted
b) Find another route that will not require driving under the object
189
What should you do when your vehicle hydroplanes?
a) Start stab braking
b) Release accelerator
c) Accelerate slightly
b) Release accelerator
190
You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly, a tire blows out on your vehicle. What should you do first?
a) Stay off the brake until the vehicle has slowed down
b) Begin light braking
c) Begin emergency braking
a) Stay off the brake until the vehicle has slowed down
191
You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long, steep downhill grade?
a) The same gear you would use to climb the hill
b) A lower gear than you would use to climb the hill
c) A higher gear than you would use to climb the hill
b) A lower gear than you would use to climb the hill
192
You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
a) Rust around wheel nut may mean they are loose
b) A vehicle can be safely driven with one missing lug nut on a wheel
c) Mismatched lock rings can be used on the same vehicle
a) Rust around wheel nut may mean they are loose
193
You are checking your tires for a pre-trip inspection. Which of these statements is true?
a) Tires of mismatched sizes should not be used together in the same vehicle
b) Radial and bias-ply tires can be used together on the same vehicle
c) 2/32 inch tread depth is safe for the front tires
a) Tires of mismatched sizes should not be used together in the same vehicle
194
How far should a driver look ahead of the vehicle while driving?
a) 5-8 seconds
b) 12-15 seconds
c) 18-21 seconds
b) 12-15 seconds
195
You should stop driving:
a) After 5 hours
b) After 9 hours
c) Whenever you become sleepy
c) Whenever you become sleepy
196
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
a) Keep the clutch slipping while slowly accelerating
b) Use the parking brake to hold the vehicle until the clutch engages
c) Let the vehicle roll backwards a few feet before you engage the clutch. But turn the wheel so that the back moves away from the roadway
b) Use the parking brake to hold the vehicle until the clutch engages
197
Which of these statements about engine overheating is true?
a) You should never shut off an overheated engine until it cools
b) You should never remove the radiator cap on a pressurized system until the system is cooled
c) Antifreeze is not needed when the weather is warm
b) You should never remove the radiator cap on a pressurized system until the system is cooled
198
If a straight vehicle (not trailer or articulation) goes into front wheel skid, it will:
a) Slide sideways and spin out
b) Go straight ahead even if the steering wheel is turned
c) Go straight ahead but will turn if you turn the steering wheel
b) Go straight ahead even if the steering wheel is turned
199
If you need to leave the road in a traffic emergency, you should:
a) Try to get all the wheels off the pavement
b) Avoid braking until your speed has dropped to about 20 mph
c) Avoid a shoulder because most shoulders will not support a large vehicle
b) Avoid braking until your speed has dropped to about 20 mph
200
Which of these statements about downshifting is true?
a) When you downshift for a curve, you should do so before you enter the curve
b) When you downshift for a hill, you should do so after you start down the hill
c) When double clutching, you should let the RPMs decrease while the clutch is released and the shift lever is in neutral
a) When you downshift for a curve, you should do so before you enter the curve
201
For your safety, when setting out reflective triangles, you should:
a) Hold the triangles between yourself and oncoming traffic
b) Keep them out of sight while you walk to the spots where you set them out
c) Turn on your flashers
a) Hold the triangles between yourself and oncoming traffic
202
You are driving a 40 foot vehicle at 35 mph, the road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
a) 3 sec
b) 4 sec
c) 5 sec
b) 4 sec
203
What is the proper way to hold a steering wheel?
a) With both hands close together, near the top of the wheel
b) With both hands close together, near the bottom of the wheel
c) With both hands, on opposite sides of the wheel
c) With both hands, on opposite sides of the wheel
204
You are traveling down a long, steep hill. Your brakes get so hot that they fail. What
should you do?
a) Downshift and pump the brake pedal
b) Look for an escape ramp or escape route
c) Both of the above
c) Both of the above
205
When driving in cold weather your tire tread should:
a) Provide enough traction to steer and push the vehicle through snow b) Be double the depth required in normal weather
c) Be checked every one hundred miles or every 2 hours
a) Provide enough traction to steer and push the vehicle through snow
206
A key principle to remember about loading cargo is to keep the load:
a) To the front
b) To the rear
c) Balanced in the cargo area
c) Balanced in the cargo area
207
The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?
a) Lightly tap your horn
b) At night, turn on your high beams before you start to pass
c) Assume that the other driver does not see you
b) At night, turn on your high beams before you start to pass
208
The distance that you should look ahead of your vehicle while driving amounts to about ___ miles at normal highway speeds
a) 1/8
b) 1/4
c) 1/2
b) 1/4
209
In which case of fire can you use water to put it out?
a) Tire fires
b) Gasoline fires
c)Electrical fires
a) Tire fires
210
Which of these is a good thing to remember about using mirrors?
a) You should look at mirror for several seconds at a time
b) Convex mirrors make things look larger and closer than they really are c) There are blind spots that your mirror cannot show
c) There are blind spots that your mirror cannot show
211
Most serious skid results from:
a) Driving too fast for conditions b)Turning too sharply
c)An uneven load
a) Driving too fast for conditions
212
Which of these items is not checked for a pre-trip inspection?
a)Whatever all lights are working
b)Amount of fuel on a vehicle
c)Cargo securement
b)Amount of fuel on a vehicle
213
If you must stop into the oncoming lane as you make a turn, you should: a) Watch for oncoming traffic
b) Complete your turn without stopping
c) Back to allow the oncoming traffic to pass
a) Watch for oncoming traffic
214
Brake drums (or discs) must not have cracks longer than ___ the width of the friction area
a) 1/2
b) 1/3
c) 1/10
a) 1/2
215
What should you do when you see a hazard in the roadway ahead of you? a) Steer around it and get back in your lane
b) Stop quickly and pull to the side of the road
c) Use your four-way flashers or brake lights to warn others
c) Use your four-way flashers or brake lights to warn others
216
Heavier vehicles often move slower than others. Which of these is NOT a good rule to follow while driving a heavy vehicle?
a) Stay on the right side of the road
b) Use four-way flashers if it is legal in your state
c) Signal other drivers when it is safe to pass you
c) Signal other drivers when it is safe to pass you
217
Which of these actions are NOT recommended for a left turn?
a) Start at the inside lane and swing right as you turn
b) Use a right-hand turning lane if there are two turning lanes
c) Start your turn in the center of the intersection
a) Start at the inside lane and swing right as you turn
218
Can state inspectors inspect your truck or bus?
a) No
b) Yes, but cannot put you out of service
c) Yes and they can put you out of service if unsafe
c) Yes and they can put you out of service if unsafe
219
If you are convicted of driving a commercial vehicle under the influence of alcohol or drugs, you will lose your CDL for:
a) 6 months
b) 1 year
c) 2 years
b) 1 year
220
Which of these is true about hazardous materials
a) All hazardous materials present health and safety danger
b) Any truck carrying any amount of hazardous materials must have placards
c) Any public road allow trucks, carrying hazardous materials if they are loaded correctly
a) All hazardous materials present health and safety danger
221
You are checking your steering and exhaust system in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?
a) Steering wheel play of more than 10 degrees (2 inches on 20 inches steering wheel)
b) Oil on a tire road
c) If gray smoke is coming out of the exhaust pipe
a) Steering wheel play of more than 10 degrees (2 inches on 20 inches steering wheel)
222
Convex (curved) mirrors:
a) Make objects appear closer than they really are
b) Make objects appear larger than they really are
c) They show the wider area than flat mirrors show
c) They show the wider area than flat mirrors show
223
To correct a drive wheel braking skid, you should
a) Stop braking, turn quickly, then countersteer
b) Increase braking
c) Increase braking, turn quickly, and countersteer
a) Stop braking, turn quickly, then countersteer
224
When exiting or entering on a curved freeway ramp, you should:
a) Maintain a speed 5-10 mph under the posted speed limit
b) Maintain the posted speed limit
c) Slow down to at least 50% of the posted speed limit
a) Maintain a speed 5-10 mph under the posted speed limit
225
A space to the ______ your vehicle is most important to manage
a) Back of
b) Front of
c) To the side of
b) Front of
226
Your brake can get wet when you are driving through the heavy rain. What can happen if the brakes are applied?
a) Hydroplaning
b) Extensive brake wear
c) Trailer jack-knife
c) Trailer jack-knife
227
Containerized loads:
a) Are not required to be inspected by a driver
b) Should be supplied with their own tiedown devices or locks
c) Generally are used when friend is carried part way by rail or ship
c) Generally are used when friend is carried part way by rail or ship
228
When driving a commercial vehicle with a height over 13 feet, you should:
a) Not worry about height clearances as long as you stay on state or federal highways
b) Assume all clearances are high enough
c) Stop and make sure that a clearance is high enough
c) Stop and make sure that a clearance is high enough
229
The distance that you should look ahead of your vehicle while driving is about _______ at low speeds
a) 1 block
b) 2 blocks
c) 1/2 blocks
a) 1 block
230
Which of these is correct about emergency or evasive action?
a) In order to turn quickly you must have a firm grip on the steering wheel
b) You can stop more quickly than you can turn to miss obstacles
c) Stopping is always the safest thing to do in a traffic emergency
a) In order to turn quickly you must have a firm grip on the steering wheel
231
What happens to tar on the road pavement during hot weather?
a) Nothing
b) It becomes staining making tired stick to the road
c) It bleeds making the road surface slippery
c) It bleeds making the road surface slippery
232
What is the best advice for the driver when a heavy fog occurs?
a) Do not drive too slowly or other drivers may hit you
b) Park the truck until the fog disappears
c) Alternate your own high beams to improve your vision
b) Park the truck until the fog disappears
233
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
a) Wheel lockup
b) Damage to steering axle
c) Poor traction on drive wheels
c) Poor traction on drive wheels
234
Communication means:
a) Talking with law enforcement officers
b) Communicating your intention to other motorists
c) Talking on the CB radio
b) Communicating your intention to other motorists
235
Which of these statements about cargo loading is true?
a) A state law dictates legal weight limit
b) If cargo is loaded by the shipper, a driver is not responsible for its load c) The legal maximum weight allowed by the state is considered safe for all driving conditions
a) A state law dictates legal weight limit
236
Which of these statements is true about rear drive wheel braking skid?
a) Locked wheels usually have more traction than rolling wheels
b) Front wheels slide sideways to try to catch up with the rear wheels
c) On a vehicle with a trailer, the trailer can push the towing vehicle sideways
c) On a vehicle with a trailer, the trailer can push the towing vehicle sideways
237
The best drivers are those who watch and prepare for hazards. This is called the ___________ driving:
a) Offensive
b) Defensive
c) Objective
b) Defensive
238
Sometimes you need to leave a road to avoid a hazard or emergency. When you do so, you should keep in mind that:
a) Most shoulders are not strong enough to support a heavy vehicle
b) You might be unable to reenter the road because of the gravel used on shoulders
c) It is less dangerous to drive onto the shoulders than to make a collision
c) It is less dangerous to drive onto the shoulders than to make a collision
239
Escape ramps:
a) Should be used by any driver who loses braking power
b) Are not designed for tractor-double trailers
c) Are designed to slow vehicles so they can get back on the road at the safe speed
a) Should be used by any driver who loses braking power
