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CDL Study Guide > 2˚ TEST > Flashcards

2˚ TEST Flashcards

1
Q

What is a “No Zone” in terms of commercial driving?
* A) A restricted parking area
* B) A designated rest area
* C) A blind spot where cars disappear
from the view of the truck driver
* D) A toll booth area

A

CORRECT ANSWER:C

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2
Q

At what PSI will the low air pressure warning signal typically activate?
* A) 100 PSI
* B) 80 PSI
* C) 60 PSI
* D) 40 PSI

A

CORRECT ANSWER: C

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3
Q

What does the low air pressure warning signal indicate?
* A) The air pressure is too high
* B) The air pressure is too low
* C) The brakes are overheating
* D) The air dryer needs servicing

A

CORRECT ANSWER: B

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4
Q

What is the function of the service air line (blue) in a combination vehicle?
* A) To supply air to the trailer’s air tanks
* B) To supply air to the trailer’s service
brakes
* C) To control the trailer’s emergency
brakes
* D) To provide air for the trailer’s
suspension system

A

CORRECT ANSWER: B

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5
Q

When loading a liquid tank, what is the most important factor to consider?
* A) The color of the liquid
* B) The weight distribution
* C) The type of vehicle
* D) The speed of loading

A

CORRECT ANSWER: B

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6
Q

What is the function of a vapor recovery system in a tanker?
* A) To reduce the weight of the cargo
* B) To prevent the escape of hazardous
vapors
* C) To improve fuel efficiency
* D) To increase the tank’s capacity

A

CORRECT ANSWER: B

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7
Q

What is the purpose of the Emergency Response Guidebook (ERG)?
* A) To provide information on how to
reduce fuel consumption
* B) To offer guidelines for handling
emergencies involving hazardous
materials
* C) To list vehicle maintenance
procedures
* D) To provide directions for the
delivery route

A

CORRECT ANSWER: B

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8
Q

What should you do if you are not sure about the requirements for transporting hazardous materials?
* A) Ask another driver
* B) Consult the Emergency Response
Guidebook (ERG)
* C) Ignore the uncertainty and proceed
* D) Call the destination to confirm

A

CORRECT ANSWER: B

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9
Q

What is the best way to ensure your trailers are aligned when backing up?
* A) Use your mirrors
* B) Rely on spotters
* C) Make small steering adjustments
* D) Back up quickly

A

CORRECT ANSWER: C

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10
Q

How can you prevent a jackknife when driving double or triple trailers?
* A) Use the trailer hand valve frequently
* B) Avoid sudden braking and
acceleration
* C) Drive at high speeds
* D) Make sharp turns

A

CORRECT ANSWER: B

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11
Q

What is the primary purpose of the pre-trip inspection?
* A) To clean the bus
* B) To ensure the bus is safe to operate
* C) To load cargo
* D) To check the weather

A

CORRECT ANSWER: B

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12
Q

When driving a school bus, you should use your high beams:
* A) At all times
* B) In foggy conditions
* C) On open highways unless other
vehicles are present
* D) In residential areas

A

CORRECT ANSWER: C

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13
Q

How should you approach a railroad crossing when driving a passenger bus?
* A) Speed up to cross quickly
* B) Slow down, stop, look, and listen
before crossing
* C) Cross without stopping if no train is
visible
* D) Honk the horn and proceed

A

CORRECT ANSWER: B

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14
Q

What is the proper way to handle unruly passengers?
* A) Yell at them
* B) Ignore the behavior
* C) Stop the bus in a safe location and
address the behavior
* D) Allow other passengers to handle it

A

CORRECT ANSWER: C

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15
Q

What should you check under the hood during a vehicle inspection?
* A) The windshield wipers
* B) The engine oil level, coolant level,
and any leaks
* C) The tire pressure
* D) The cleanliness of the engine

A

CORRECT ANSWER: B

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16
Q
  1. How do you check the condition of the vehicle’s belts?
    * A) By checking their color
    * B) By measuring their length
    * C) By checking their brand
    * D) By ensuring they are not frayed,
    cracked, or too loose
A

CORRECT ANSWER: D

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17
Q

What should you do if you need to exit the highway but miss your exit?
* A) Back up to the exit
* B) Make a U-turn on the highway
* C) Continue to the next exit
* D) Stop and wait for a tow truck

A

CORRECT ANSWER: C

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18
Q

How often should a CDL driver check their mirrors while driving?
* A) Every 10-15 seconds
* B) Every 20-30 seconds
* C) Every minute
* D) Only when changing lanes

A

CORRECT ANSWER: A

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19
Q

What is the purpose of the brake pedal (foot valve) in an air brake system?
* A) To apply the service brakes
* B) To release the parking brakes
* C) To drain the air tanks
* D) To adjust the brake pressure

A

CORRECT ANSWER: A

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20
Q

When inspecting the trailer, what should you check for in the landing gear?
* A) That it is fully raised
* B) That it is fully lowered
* C) That it is properly lubricated
* D) That it is clean

A

CORRECT ANSWER: A

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21
Q

What is the primary danger when transporting liquids in bulk?
* A) Overheating of the engine
* B) Excessive tire wear
* C) The risk of rollover due to high
center of gravity
* D) Decreased fuel efficiency

A

CORRECT ANSWER: C

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22
Q

When should you drain condensation from the air tanks on a tanker?
* A) At the end of each trip
* B) At the beginning of each trip
* C) Weekly
* D) Monthly

A

CORRECT ANSWER: B

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23
Q

What is the minimum number of placards required for a vehicle carrying hazardous materials?
* A) 1
* B) 2
* C) 3
* D) 4

A

CORRECT ANSWER: D

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24
Q

What does the term “bulk packaging” refer to?
* A) Any container used for hazardous
materials
* B) Large containers, such as cargo
tanks and portable tanks, that do not
require secondary packaging
* C) Small packages grouped together
* D) Containers that hold liquids only

A

CORRECT ANSWER: B

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25
Q

What should you do if you notice the trailers fishtailing?
* A) Speed up to stabilize them
* B) Apply the trailer brakes gently
* C) Slow down and avoid sharp steering
movements
* D) Use the hand brake

A

CORRECT ANSWER: C

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26
Q

What is the main advantage of using a converter dolly with double or triple trailers?
* A) Increased fuel efficiency
* B) Better cargo distribution
* C) The ability to connect multiple
trailers
* D) Improved braking performance

A

CORRECT ANSWER: C

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27
Q

When should you activate your warning lights when approaching a bus stop?
* A) 50-100 feet before the stop
* B) 100-200 feet before the stop
* C) 200-300 feet before the stop
* D) 300-400 feet before the stop

A

CORRECT ANSWER: C

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28
Q

How should a school bus driver handle a student who is not following safety rules?
* A) Ignore the behavior
* B) Pull over safely and address the
behavior
* C) Yell at the student
* D) Tell the other students to handle it

A

CORRECT ANSWER: B

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29
Q

During a vehicle inspection, what should you do if you find a major defect?
* A) Ignore it and continue driving
* B) Report it to your supervisor and do
not drive until it is repaired
* C) Fix it yourself
* D) Drive slowly to the nearest repair
shop

A

CORRECT ANSWER: B

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30
Q

What should you inspect on the vehicle’s exhaust system?
* A) The sound of the exhaust
* B) Leaks, cracks, holes, and secure
mounting
* C) The temperature of the exhaust
* D) The length of the exhaust pipe

A

CORRECT ANSWER: B

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31
Q

What is the maximum allowable weight on a single axle?
* A) 10,000 pounds
* B) 15,000 pounds
* C) 20,000 pounds
* D) 25,000 pounds

A

CORRECT ANSWER: C

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32
Q

What should a driver do if they experience a tire blowout?
* A) Immediately brake hard
* B) Hold the steering wheel firmly and
ease off the accelerator
* C) Accelerate to regain control
* D) Turn sharply to the side of the road

A

CORRECT ANSWER: B

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33
Q

What is the function of the spring brakes?
* A) To assist in normal braking
* B) To provide emergency and parking
braking
* C) To release air from the system
* D) To adjust the brake slack

A

CORRECT ANSWER: B

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34
Q

What should you do if the trailer is equipped with ABS (anti-lock braking system)?
* A) Drive as usual
* B) Ensure the ABS warning light is on
before driving
* C) Check that the ABS warning light is
off before driving
* D) Disconnect the ABS to avoid braking
issues

A

CORRECT ANSWER: C

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35
Q

What is the best way to handle a vehicle in a skid?
* A) Brake hard immediately
* B) Steer in the direction you want to go
* C) Accelerate to regain control
* D) Turn off the engine

A

CORRECT ANSWER: B

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36
Q

How should you handle a curve when driving a tanker vehicle?
* A) Speed up to reduce surge
* B) Maintain a steady speed
* C) Slow down before entering the
curve
* D) Accelerate through the curve

A

CORRECT ANSWER: C

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37
Q

What is the purpose of the emergency shut-off valve on a tanker?
* A) To release excess pressure from the
tank
* B) To stop the flow of liquid in an
emergency
* C) To clean the tank
* D) To increase fuel efficiency

A

CORRECT ANSWER: B

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38
Q

What should you do if the placards on your vehicle become damaged or unreadable?
* A) Continue driving until you reach
your destination
* B) Replace them immediately
* C) Remove them and continue driving
* D) Cover them with tape

A

CORRECT ANSWER: B

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39
Q

When is it necessary to use a hazardous materials placard on a vehicle?
* A) Only when transporting more than
1,000 pounds of hazardous materials
* B) Only for Class 1 hazardous materials
* C) Whenever transporting any quantity
of hazardous materials that require
placarding
* D) Only when traveling on highways

A

CORRECT ANSWER: C

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40
Q

Why is it important to check the weight distribution of your cargo?
* A) To improve fuel efficiency
* B) To ensure balanced handling and
prevent overloading
* C) To reduce maintenance costs
* D) To comply with state laws

A

CORRECT ANSWER: B

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41
Q

What should you do if you experience a trailer sway while driving?
* A) Speed up to stabilize the trailers
* B) Apply the trailer hand valve
* C) Slow down and steer straight
* D) Use the parking brake

A

CORRECT ANSWER: C

42
Q

What should a school bus driver do if they miss a student’s stop?
* A) Back up to the stop
* B) Drop the student at the next stop
* C) Make a U-turn to return to the stop
* D) Call the transportation office for
instructions

A

CORRECT ANSWER: D

43
Q

What should you do if the bus starts to skid?
* A) Apply the brakes hard
* B) Steer into the skid
* C) Steer away from the skid
* D) Speed up to regain control

A

CORRECT ANSWER: B

44
Q

When must you complete a written inspection report for a passenger bus?
* A) At the beginning of each week
* B) At the end of each shift
* C) Every month
* D) Only when problems are found

A

CORRECT ANSWER: B

45
Q

When should you use the bus’s horn?
* A) To greet other drivers
* B) To signal for passengers to board
* C) To warn other drivers of danger
* D) To scare off animals

A

CORRECT ANSWER: C

46
Q

What should you inspect on the vehicle’s suspension system?
* A) The color of the shocks
* B) The condition of the springs, shocks,
and any broken or missing parts
* C) The length of the springs
* D) The number of leaf springs

A

CORRECT ANSWER: B

47
Q

What is the primary cause of brake fade?
* A) Overheating
* B) Underinflation
* C) Overloading
* D) Poor maintenance

A

CORRECT ANSWER: A

48
Q

What is the Gross Vehicle Weight Rating (GVWR) threshold for requiring a Class A CDL?
* A) 10,001 pounds
* B) 16,001 pounds
* C) 26,001 pounds
* D) 36,001 pounds

A

CORRECT ANSWER: C

49
Q

How do you know if your vehicle has antilock brakes (ABS)?
* A) The vehicle has an ABS warning light
* B) The brake pedal feels different
* C) The air pressure gauge reads higher
* D) The vehicle has a different brake
pedal

A

CORRECT ANSWER: A

50
Q

How can you ensure that the trailer is securely attached to the tractor?
* A) By checking the trailer lights
* B) By performing a tug test
* C) By applying the trailer hand valve
* D) By checking the load

A

CORRECT ANSWER: B

51
Q

What should you do if you find a small leak in your tanker during a trip?
* A) Continue driving to the nearest
repair shop
* B) Stop immediately and report the
leak
* C) Use tape to temporarily seal the
leak
* D) Increase speed to reduce the leak

A

CORRECT ANSWER: B

52
Q

What information must be included on a hazardous materials shipping paper?
* A) The vehicle’s fuel efficiency
* B) The driver’s personal information
* C) The proper shipping name, hazard
class, and identification number of the
material
* D) The vehicle’s maintenance history

A

CORRECT ANSWER: C

53
Q

What does the “DANGEROUS” placard signify?
* A) It can be used in place of separate
placards for two or more classes of
hazardous materials
* B) It indicates radioactive materials
* C) It is used for highly flammable
liquids
* D) It is used for explosives only

A

CORRECT ANSWER: A

54
Q

What is the purpose of the “shut-off valve” on a double or triple trailer?
* A) To control the fuel flow
* B) To stop the flow of air to the brakes
of a trailer not in use
* C) To release hydraulic pressure
* D) To secure the cargo

A

CORRECT ANSWER: B

55
Q

When should you check the brakes on your double or triple trailers?
* A) Only at the beginning of the trip
* B) Every time you stop
* C) Once a week
* D) Only during pre-trip inspections

A

CORRECT ANSWER: B

56
Q

When should the school bus’s emergency exit drills be conducted?
* A) Weekly
* B) Monthly
* C) At least twice a year
* D) Only in an emergency

A

CORRECT ANSWER: C

57
Q

When is it appropriate to use the school bus’s horn?
* A) To greet students
* B) To signal for children to cross the
road
* C) To warn other drivers of danger
* D) To scare off animals

A

CORRECT ANSWER: C

58
Q

How should you handle a situation where a passenger refuses to pay the fare?
* A) Ignore the passenger
* B) Yell at the passenger
* C) Stop the bus and refuse to continue
until the fare is paid
* D) Follow company policy, which may
include reporting to dispatch

A

CORRECT ANSWER: D

59
Q

During a vehicle inspection, how should you check the vehicle’s coolant level?
* A) By opening the radiator cap when
the engine is hot
* B) By looking at the level in the coolant
reservoir
* C) By checking the coolant color
* D) By smelling the coolant

A

CORRECT ANSWER: B

60
Q

What should you look for when inspecting the vehicle’s suspension system?
* A) The color of the springs
* B) Broken or missing leaf springs,
secure mounts, and leaking shocks
* C) The type of shocks
* D) The age of the springs

A

CORRECT ANSWER: B

61
Q

What should a driver do when approaching a railroad crossing?
* A) Speed up to cross quickly
* B) Slow down, look, and listen for
trains
* C) Ignore the crossing if no train is
visible
* D) Stop on the tracks to check for
trains

A

CORRECT ANSWER: B

62
Q

What is the first step in the basic control skills test?
* A) Pulling forward
* B) Backing up straight
* C) Parallel parking
* D) Alley dock backing

A

CORRECT ANSWER: B

63
Q

What is the primary purpose of the safety relief valve in an air brake system?
* A) To increase air pressure
* B) To vent excess air pressure
* C) To filter air entering the system
* D) To release moisture from the air
tanks

A

CORRECT ANSWER: B

64
Q

What is the best way to avoid trailer swing during normal driving?
* A) Drive at high speeds
* B) Apply the trailer brakes frequently
* C) Ensure the load is properly balanced
* D) Keep the trailer’s tires underinflated

A

CORRECT ANSWER: C

65
Q

What is the purpose of bulkheads in a tanker?
* A) To increase the tank’s capacity
* B) To divide the tank into smaller
sections to reduce surge
* C) To improve fuel efficiency
* D) To allow multiple types of liquid to
be transported simultaneously

A

CORRECT ANSWER: B

66
Q

Why is it important to know the outage of a tank?
* A) To ensure proper fuel consumption
* B) To allow for the expansion of the
liquid
* C) To avoid engine damage
* D) To improve the speed of the vehicle

A

CORRECT ANSWER: B

67
Q

When transporting hazardous materials, what is the purpose of the “segregation table”?
* A) To ensure hazardous materials are
separated properly to prevent
reactions
* B) To list the vehicle’s maintenance
schedule
* C) To improve fuel efficiency
* D) To organize the driver’s schedule

A

CORRECT ANSWER: A

68
Q

How should you load containers of hazardous materials?
* A) Quickly to save time
* B) In a way that evenly distributes the
weight and prevents movement during
transport
* C) Without considering weight
distribution
* D) As high as possible

A

CORRECT ANSWER: B

69
Q

How should you position your vehicle when coupling a second trailer?
* A) At a slight angle
* B) Directly in line with the first trailer
* C) At a right angle
* D) Perpendicular to the first trailer

A

CORRECT ANSWER: B

70
Q

What is the purpose of the shut-off valve on the air brake system of double or triple trailers?
* A) To control the flow of air to the
brakes
* B) To release air from the system
* C) To inflate the tires
* D) To connect the air lines

A

CORRECT ANSWER: A

71
Q

What is the safest way to make a turn with a school bus?
* A) Make wide, slow turns
* B) Make sharp, quick turns
* C) Accelerate through the turn
* D) Brake hard in the turn

A

CORRECT ANSWER: A

72
Q

What should you do if a passenger is standing in front of the standee line while the bus is moving?
* A) Ignore it
* B) Politely remind the passenger to
move behind the standee line
* C) Stop the bus immediately
* D) Allow it as long as they are holding
on

A

CORRECT ANSWER: B

73
Q

How often should you check your mirrors while driving a passenger bus?
* A) Every 5-8 seconds
* B) Every 10-12 seconds
* C) Every 20-30 seconds
* D) Only when changing lanes

A

CORRECT ANSWER: A

74
Q

What should you do if you smell fuel while driving a passenger bus?
* A) Continue driving to your destination
* B) Open the windows
* C) Stop immediately and evacuate the
passengers
* D) Ignore it

A

CORRECT ANSWER: C

75
Q

How should you check the vehicle’s steering system?
* A) By ensuring the steering wheel is clean
* B) By checking for excessive play, loose
or missing parts, and power steering
fluid levels
* C) By turning the wheel rapidly
* D) By inspecting the color of the
steering fluid

A

CORRECT ANSWER: B

76
Q

How do you check the vehicle’s emergency equipment?
* A) By ensuring it is the correct color
* B) By verifying the presence and
condition of fire extinguisher, reflective
triangles, and spare fuses
* C) By checking the brand of the
equipment
* D) By checking the expiration date of
the fire extinguisher only

A

CORRECT ANSWER: B

77
Q

What is the proper procedure for merging onto a highway?
* A) Speed up to match the traffic flow
* B) Stop at the end of the ramp and
wait for an opening
* C) Merge slowly to avoid accidents
* D) Use your horn to alert other drivers

A

CORRECT ANSWER: A

78
Q

When should a driver use their four-way flashers?
* A) When parked on the side of the
road
* B) When passing another vehicle
* C) When making a right turn
* D) When entering a tunnel

A

CORRECT ANSWER: A

79
Q

What should you do if the low air pressure warning signal activates while driving?
* A) Increase speed to recharge the air
tanks
* B) Stop and safely park the vehicle as
soon as possible
* C) Ignore it and continue driving
* D) Drain the air tanks immediately

A

CORRECT ANSWER: B

80
Q

How should you apply the brakes when towing a combination vehicle on a slippery surface?
* A) Apply the trailer brakes first
* B) Apply the tractor brakes first
* C) Apply both the tractor and trailer
brakes together
* D) Use the parking brake

A

CORRECT ANSWER: C

81
Q

Why is it important to know the outage of the tank?
* A) To prevent overloading
* B) To ensure proper fuel consumption
* C) To avoid engine damage
* D) To improve the speed of the vehicle

A

CORRECT ANSWER: A

82
Q

How can you reduce the risk of rollover when driving a tanker?
* A) Speed up when making turns
* B) Avoid sudden movements and drive
smoothly
* C) Keep the tank full at all times
* D) Use the parking brake frequently

A

CORRECT ANSWER: B

83
Q

How often must a driver carrying hazardous materials inspect their vehicle?
* A) Once a week
* B) Only at the start of the trip
* C) Before, during, and after the trip
* D) Monthly

A

CORRECT ANSWER: C

84
Q

What is the maximum allowable amount of flammable liquid that can be transported in a single container?
* A) 50 gallons
* B) 100 gallons
* C) 200 gallons
* D) 500 gallons

A

CORRECT ANSWER: B

85
Q

What is the purpose of the Emergency Response Guidebook (ERG)?
* A) To provide emergency response
information for incidents involving
hazardous materials
* B) To guide drivers on the shortest
route
* C) To list vehicle maintenance
requirements
* D) To improve fuel efficiency

A

CORRECT ANSWER: A

86
Q

What is the key to preventing rollovers when driving double or triple trailers?
* A) Speeding up in turns
* B) Making wide, slow turns
* C) Keeping a low center of gravity
* D) Using the trailer hand valve

A

CORRECT ANSWER: B

87
Q

What is the first thing you should do if there is an emergency evacuation of the bus?
* A) Call the school
* B) Account for all students
* C) Direct students to exit
* D) Turn off the engine

A

CORRECT ANSWER: D

88
Q

How should you handle an emergency situation where the bus needs to be evacuated?
* A) Evacuate students immediately,
regardless of location
* B) Keep students on the bus until help
arrives
* C) Follow the emergency evacuation
plan and direct students to the safest
exit
* D) Wait for instructions from the
school administration

A

CORRECT ANSWER: C

89
Q

How often should you check for sleeping passengers at the end of your route?
* A) Daily
* B) Only when you suspect someone is
sleeping
* C) After each trip or route
* D) Once a week

A

CORRECT ANSWER: C

90
Q

How should you handle a situation where a passenger is standing in front of the standee line while the bus is moving?
* A) Ignore it
* B) Politely remind the passenger to
move behind the standee line
* C) Stop the bus immediately
* D) Allow it as long as they are holding
on

A

CORRECT ANSWER: B

91
Q

What is the correct procedure for checking the vehicle’s mirrors?
* A) Making sure they are clean
* B) Ensuring they are properly adjusted
and not cracked or broken
* C) Checking their color
* D) Inspecting the mirror frame

A

CORRECT ANSWER: B

92
Q

What should you do if you find an air leak in the brake system during an inspection?
* A) Ignore it and continue driving
* B) Report it immediately and do not
drive the vehicle until it is fixed
* C) Use the brakes less frequently
* D) Drive slowly to the nearest repair
shop

A

CORRECT ANSWER: B

93
Q

What is the main purpose of the hours-of-service regulations?
* A) To limit the number of miles a driver
can travel
* B) To ensure drivers get adequate rest
and prevent fatigue
* C) To regulate the type of cargo
transported
* D) To control fuel consumption

A

CORRECT ANSWER: B

94
Q

What is the main purpose of the hours-of-service regulations?
* A) To limit the number of miles a driver
can travel
* B) To ensure drivers get adequate rest
and prevent fatigue
* C) To regulate the type of cargo
transported
* D) To control fuel consumption

A

CORRECT ANSWER: B

95
Q

What is the purpose of the modulating control valve?
* A) To adjust the air pressure in the
brake system
* B) To allow the driver to apply the
spring brakes gradually
* C) To control the air dryer
* D) To measure the temperature of the
brakes

A

CORRECT ANSWER: B

96
Q

When uncoupling a trailer, what is the first step you should take?
* A) Lower the landing gear
* B) Disconnect the electrical lines
* C) Disconnect the air lines
* D) Release the fifth wheel locking lever

A

CORRECT ANSWER: A

97
Q

What is the best way to handle a situation where the liquid in your tank starts to surge?
* A) Speed up quickly
* B) Apply the brakes hard
* C) Steer smoothly and brake gradually
* D) Make sharp turns

A

CORRECT ANSWER: C

98
Q

What does the term “hazard class” refer to?
* A) The type of vehicle used for
transport
* B) The level of training required for the
driver
* C) The category of hazard that the
material presents
* D) The fuel efficiency of the vehicle

A

CORRECT ANSWER: C

99
Q

What information must be included on a shipping paper for hazardous materials?
* A) The driver’s license number
* B) The proper shipping name, hazard
class, identification number, and
quantity
* C) The vehicle’s fuel efficiency
* D) The destination’s contact
information

A

CORRECT ANSWER: B

100
Q

How does the stopping distance of doubles and triples compare to that of a single trailer?
* A) It is shorter
* B) It is the same
* C) It is longer
* D) It depends on the cargo weight

A

CORRECT ANSWER: C

CDL Study Guide (5 decks)

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