General Knowledge Flashcards
To prevent a load from shifting, there should be at least one tie down for every _______ feet of cargo.
10
You are driving a 40-foot vehicle a 35mph. 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?
4 seconds
Which of these statements about drinking is true?
A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine.
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
Stop safely and fix the problem.
Which of these statements about driving in areas with strong winds is true?
Wind are big problem when a truck comes out of tunnels.
What is counter-steering?
Turning the wheel back in the other directions after steering to avoid a traffic emergency.
To help you stay alert while driving, you should:
Take short breaks before you get drowsy.
You do not have a Hazardous Materials Endorsement on your Commercial Driver’s License. You can drive a vehicle hauling hazardous materials when:
The vehicle does not require placards.
Cargo inspections:
Should be performed as part of your pre-trip inspection, again within the first 50 miles of your trip, then again after you have driven 3 hours or 150 miles, and after every break you take during driving.
Retarders:
Can cause the drive wheels to skid when they have poor traction.
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 lower gear than you would use to climb the hill.
Which of these statements about speed management is true?
You should choose a speed that lets you stop within the distance you can see ahead.
Which of these best describes how you should use the brake pedal on a steep downhill grade?
Snubbing
Which of these statements about double clutching and shifting is true?
You can use the tachometer to tell you when to shift.
Which of these statements about using turn signals is true?
When turning, you signal early.
Which of these statements about cargo loading is true?
State laws dictate legal weight limits.
If your vehicle catches fire while you are driving, you should:
Park in an open area.
You are checking your tires for a pre-trip inspection. Which of these statements is true?
Tires of mismatched sizes should not be used on the same vehicle.
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
It may be a slow-moving vehicle.
An en route inspection should include checking for:
Both of these are correct.
You are driving in the right lane of a four-lane, undivided road. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view of to the rear. The shoulder is clear. Which of these is most likely the best action to take?
Steer to the right.
Where or when should you test the stopping action of your service brakes?
When the vehicle is moving at about 5 mph
Which of these is not part of the pre-trip inspection of the engine compartment?
Valve clearance
Cargo covers
Both of the answers
Which of these is the most important thing to about emergency breaking?
If the wheels are skidding, you cannot control the vehicle.
You must park on the side of a level, two-lane road. Where should you place the reflective triangles?
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.
High beams should be.
Used when it is safe and legal to do so.
The road you are driving becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
Stop driving as soon as you can safely do so.
Which of these statements about tires and hot-weather driving is true?
You should inspect your tires every two hours or every 100 miles when driving in very hot weather.
Your truck is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember as such a time?
You can almost always turn to miss an obstacle more quickly than you can stop.
What should you do when your vehicle hydroplanes?
Release the accelerator
You are starting your vehicle from a stop. As you apply power to the driver wheels, they start to spin. You should:
Take your foot of the accelerator
Stab Braking
Involves releasing the brakes only after the wheels lock up.
It takes the body about _______ hours to get rid of the alcohol in four drinks.
4
Cargo that can shift should have at least ________ tie-downs.
2
If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:
Go straight ahead even if the steering wheel is turned.
Which of these statements about accelerating is true?
Rough acceleration can cause mechanical damage.
Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?
Heavy vehicles need larger gaps in traffic than cars.
Which of these statements about staying alert to drive is true?
Sleep is the only thin that can overcome fatigue.
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?
Steer to the right.
Which of these statements about engine overheating is true?
You should never remove the radiator cap on a pressurized system until the system has cooled.
You are driving a truck with a manual transmission. You have to stop the truck 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?
Use the parking brake to hold the vehicle until the clutch engages.
A vehicle is loaded with most of the weight of the steering axis. What may result?
Hard steering and possible damage to the tires.
You are driving a 40-foot vehicle 50 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?
5 seconds
Which of these things is a good thing to do when steering to avoid a crash?
Do not turn any more than needed to clear what is in your way.
You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
Rust around the lug nuts may mean that they are loose.
You do not have a Hazardous Materials Endorsement on your Commercial Driver’s License. You are asked to deliver hazardous material in a placarded vehicle. You should:
Refuse to haul the load.
As the Blood Alcohol Concentration (BAC) goes up, what happens?
Judgement and self-control are affected.
If you need to leave the road in a traffic emergency, you should:
Avoid braking until your speed has dropped to about 20mph.
Which of these statements about downshifting for a long downhill grade is true?
It allows engine compression and friction to help slow the vehicle.
When looking ahead of your vehicle while driving you should look:
Back and forth near and far.
Escape ramps are:
Used to stop runaway vehicles.
Which of these statements about cold-weather driving is true?
Windshield washer antifreeze should be used.
When should you wear seat belts?
Anytime you are in a moving vehicle.
Controlled braking:
Is used to keep a vehicle in a straight line when braking.
How do you correct a rear-wheel acceleration skid?
Stop accelerating
Which of these is NOT a good rule to follow when caring for injured at an accident scene?
Keep injured persons cool.
For your safety, when setting out reflective triangles you should:
Hold the triangles between yourself and oncoming traffic.
Heavy vehicles must sometimes travel more slowly than other traffic. Which of these is NOT a good rule to follow when you are driving such a vehicle.
Signal other drivers when it is safe for them to pass you.
The most important reason for being alert to hazards is so:
You will have time to plan you escape if the hazard becomes an emergency.
Hydroplaning:
Is more likely if tire pressure is low
If you are being tailgated, you should:
Increase your following distance.
Which of these statements about overhead clearance is true?
The weight of a vehicle changes its height.
Which of these is a good rule to follow when using a fire exstinguisher?
Aim at the base of the fire.
While driving, you see a small (1-foot square) cardboard box ahead in your lane. You should:
Steer around it with out making a sudden or unsafe move
Is it legal to drive with one fourth of a vehicles leaf springs broken or missing?
No
Which of these can cause a fire?
All of the answers are correct.
Dry bulk tanks and hanging meat:
Are unstable loads.
Which of the following should you NOT do in the event of hydraulic brake failure?
Shift up
To correct a drive-wheel braking skid you should:
Counter-steer
Which of the following statements about tank vehicles is true?
Special skills are required to haul liquid tanks.
If you are driving a long distance, you should:
Stop often and take short breaks before you feel really drowsy or tired.
Which of the following is true about a vehicle with a high center of gravity?
The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.
To prevent skidding, you should:
Adjust to conditions while driving.
You should back and turn toward the driver’s side:
So you can watch the rear of the vehicle by looking out the side window.
When you check the condition of visible parts during your pre-trip inspection, make sure that the ______ are secured against snagging, rubbing or wearing.
Airlines and electrical wiring
With a BAC of ______, most people lose consciousness, and some die.
40
The distance your vehicle travels from the time your eyes see a hazard until your brain recognizes it is called ______ distance.
Perception
Which of these items is checked in a pre-trip inspection?
All of these answers are correct
The “reaction distance” is the distance traveled from the time:
The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.
When driving a commercial vehicle with a height over 13 feet, you should:
If you aren’t sure a clearance is high enough, stop and make sure.
The purpose of a baffle is to:
Control the load surge
The new BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
04
Truck escape ramps:
Are designed to protect vehicles from damage.
Which of these can cause the vehicle to skid?
All of these can cause a vehicle to skid.
Which of these describes how you should use the brake pedal on a steep downhill grade?
Release the brake when you are 5 MPH below your safe speed, then let your speed come back up to your safe speed and repeat braking again, (bring your speed down 5 MPH below your safe speed).
An en-route inspection should include checking:
All of these should be checked.
According to the driver’s manual, why should you limit the use of your horn?
It can startle other drivers.
The amount of liquid to load into a tank depends on:
All of these are correct.
You should use your mirrors to check:
All of these are correct.
Your brakes can get wet when you drive through a heavy rain. What can this cause when the brakes are applied?
All of these are correct.
Which of these statements about using mirrors is true?
There are blind spots that your mirrors cannot show you.
To avoid a crash, you should had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back on the pavement?
Come to a complete stop, if possible, before steering back onto the pavement.
Which of these statements about managing space is true?
When the road is slippery, you should keep much more space in front of your vehicle.
You are testing the stopping action of service brakes on a hydraulic system. Which of these
can mean there is a problem?
All of these are correct.
The distance that you should look ahead of your vehicle while driving amounts to about __
at highway speed.
1/4 mile
Which of these statements about drinking alcohol is true
All of these are true.
On which fires can you use the “ABC” fire extinguisher?
All of these are correct
Which of these is a proper use of vehicle lights and flashers?
All of these are correct
Which of these tell you that cargo contains hazardous materials?
Both of these answers are correct.
If you are convicted for driving under the influence while driving a commercial vehicle, and
this is your first offense, you will most likely get:
At least a one-year suspension of your CDL.
Some liquid tanks are divided into several smaller tanks by:
Bulkheads.
Front-end header boards:
Both answers are correct.
The height of the vehicle center of gravity is very important for safe handling. A high center
of gravity means you are more likely to do the following:
Rollover
The “load” means the following?
The maximum safe weight a tire can carry at a specified pressure.
Whether or not you load and secure your load yourself, you are responsible for:
All of these answers are correct
Which of these statements about downshifting for a long downhill grade is true?
It allows engine compression and friction to help the brakes slow the vehicle
Medical certificates must be renewed every:
2 years.
During a pre-trip inspection you discover an exhaust leak or power steering leak, you
should:
Report the problem and make arrangements for another vehicle to use.
During what time in your pre-trip inspection of a school bus do you check the back
emergency door? (to ensure it is closed.)
During step four (lights first half) the inside walk through.
Inspect your cargo after you have driven:
25 miles or 50 miles depending on the law in the state you are in, then again after 3 hours or
after you have driven 150 miles and after every stop for a break.
Axle weight means the following?
The weight transmitted to the ground by one axle or one set of axles.
Blocking your cargo to keep it from sliding must be done at the:
Used in front, back, and/or sides of a piece of cargo.
Over-length, over-width, and/or overweight loads require:
AII of these answers are correct.
Turn signals should be used:
At least 100 feet before turning or changing lanes.
Which of these statements about speed management is true?
All of these are true.
You are driving on a straight, level highway at 50 mph. There are no vehicles in front ofyou.
Suddenly a tire blows out on your vehicle. What should you do first?
Stay off the brake until the vehicle slows down on its own.
Which of these will help keep an engine cool in hot weather?
All of these answers are correct.
W n a vehicle is carrying a load at night, which extends four feet or more beyond the rear of
the body, there must be __ at the extreme end of the load.
2 red lights
When checking the bus seats, what are you looking for?
All these answers are correct.
You must inspect your cargo:
AII of these are correct.
Tie downs must be of the proper type and strength. The combined strength of cargo tie
downs must be strong enough to lift:
One and one-half times the weight of the cargo tied-down.
Which of these is important to check before driving in the winter?
Exhaust
Tank vehicles are used to carry any liquid and are dangerous to drive because:
All of these are true.
Gross Vehicle Weight Rating (GVWR) means the following?
Maximum GVW specified by manufacture for a single vehicle including it’s load.
Gross Vehicle Weight (GVW) means the following:
The total weight of a single vehicle including its load.
Prior to driving, what are some of the items you should check the interior of the bus for?
All of these are correct.
How far can the board of education make a student walk to their assigned pick up location?
1/2 mile.
There are three types of vehicle inspections, which of these is one of them?
All of these are correct.
You are checking your brakes and suspension system for a pre-trip inspection. Which of
these statements is true?
All of these are true.
