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📖 General Knowledge
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1
You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blew out on your vehicle. What should you do first?
Stay off the brake until the vehicle has slowed down. ✓ CORRECT
Begin light braking.
Begin emergency braking.
2
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?
The same gear you would use to climb the hill.
A lower gear than you would use to climb the hill. ✓ CORRECT
A higher gear than you would use to climb the hill.
3
You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
Rust around wheel nuts may mean that they are loose. ✓ CORRECT
A vehicle can be safely driven with one missing lug nut on a wheel.
Mismatched lock rings can be used on the same vehicle.
4
You are checking your tires for a pre-trip inspection. Which of these statements is true?
Tires of mismatched sizes should not be used together in the same vehicle. ✓ CORRECT
Radial and bias-ply tires can be used together on the same vehicle.
2/32 inch tread depth is safe for front tires.
5
If a straight vehicle (not trailer or articulation) goes into front-wheel skid, it will:
Slide sideways and spin out.
Go straight ahead even if the steering wheel is turned. ✓ CORRECT
Go straight ahead but will turn if you turn the steering wheel.
6
If you need to leave the road in the traffic emergency, you should:
Try to get all wheels off the pavement.
Avoid braking until your speed has dropped to about 20 mph. ✓ CORRECT
Avoid a shoulder because most shoulders will not support a large vehicle.
7
Which of these statements about certain types of cargo is true?
Unstable load such as hanging meat or livestock can require extra caution on curves. ✓ CORRECT
Oversize load can be hauled without special permit during times when the roads are not busy.
When liquids are hauled, the tank should always be loaded totally full.
8
According to the driver’s manual, why you should limit the use of your horn?
It can startle other drivers. ✓ CORRECT
The horn is not a good way to let others know you are there.
You should keep firm grip on the steering wheel with both hands at all times.
9
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:
Refuse to haul the load. ✓ CORRECT
Haul the load but only to the nearest place where a driver with Hazardous Materials Endorsement can
Haul the load but file a report with the Department of Transportation after the trip.
10
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:
Refuse to haul the load. ✓ CORRECT
Haul the load but only to the nearest place where a driver with Hazardous Materials Endorsement can
Haul the load but file a report with the Department of Transportation after the trip.