General Knowledge 1
Blocking is used to:
a)Keep cargo in a large box.
b) Prevent cargo from sliding in a trailer.
c) Prevent cargo from falling out of a trailer.
b) Prevent cargo from sliding in a trailer.
High beams should be used
a) Whenever it is safe and legal to do so.
b) Turned on when an oncoming driver does not dim her or his lights
c) Dimmed when you are within 100 feet of another vehicle
a) Whenever it is safe and legal to do so.
When driving through the work zone you should:
a) Reduce your speed if only the workers are close to the roadway.
b) Turn on your parking lights.
c) Watch for sharp pavement drop off.
c) Watch for sharp pavement drop off.
Which of the following is a key steering component?
a) Gear box
b) Bearing plate
c) Torque rod
d) Leaf spring
a) Gear box
When loading a trailer, if the cargo is loaded all to the rear, it may
result in:
a. Wheel lock up.
b. Damage to the steering axel.
c. Poor traction on drive wheels.
c. Poor traction on drive wheels.
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 used to climb the hill.
b. A lower gear you would use to climb the hill.
c. A higher gear that you would use to climb the hill.
b. A lower gear you would use to climb the hill.
To prevent brake fade you should?
a) Coast downhill, when it is not very 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 steep downgrade.
c) Select the gear which will keep your vehicle at a safe speed on a steep downgrade.
Once cargo is secured onto a vehicle:
a) You do not need to inspect the cargo.
b) You should not let others inspect the cargo.
c) You should check the cargo every 150 miles.
c) You should check the cargo every 150 miles.
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.
If the air pressure in an air brake system becomes too low, it may:
a) Cause the brakes to lock up.
b) Cause the brakes to stop working.
c) Cause the brakes to pulsate when used.
b) Cause the brakes to stop working.
When it’s difficult to see, such as at dawn or dusk, a driver can increase their vehicle's visibility by:
a) Driving while using their lights.
b) Driving with their windows open.
c) Flashing their lights periodically.
a) Driving while using their lights.
An application pressure gauge shows:
a) How much air pressure is being applied to the brakes.
b) How much air pressure is available.
c) How much air pressure is required to stop a vehicle.
a) How much air pressure is being applied to the brakes.
What three distances build up the total stopping distance of your truck or bus?
a. Attention distance, reaction distance and slowing distance
b. Respond distance, observation distance and braking distance
c. Perception distance, reaction distance and braking distance
c. Perception distance, reaction distance and braking distance
If a driver has stopped on the road and is placing triangles to warn other motorists:
a) The triangles should be held between the driver and oncoming traffic.
b) The triangles should be carried behind the driver's back to prevent them from being seen by other drivers until they are placed.
c) The triangles should be held as low as possible.
a) The triangles should be held between the driver and oncoming traffic.
The distance that you should look ahead of your vehicle while driving amounts to about _____ at highway speed.
a) One block
b) 500 feet
c) 1/4 mile
c) 1/4 mile
Most good drivers look at least 12 to 15 seconds ahead. That means looking ahead the distance you will travel in 12 to 15 seconds. At lower speeds, that's about one block. At highway speeds it's about a quarter of a mile.
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 the state or federal regulations.
c) The crossing is located in the city or town with frequent train transit.
b)The nature of the cargo makes a stop mandatory under the state or federal regulations.
The safety release valve is located on the Air tanks and is used by?
a) Pulling a hand valve
b) Self-operated when the air pressure is above 150 PSI
c) Must be pulled after every working day
b) Self-operated when the air pressure is above 150 PSI
The formula for stopping distance with air brakes is?
a) Reaction distance and effective braking distance
b) Perception distance and effective braking distance
c) Perception distance, reaction distance, brake lag distance, and effective braking distance
c) Perception distance, reaction distance, brake lag distance, and effective braking distance
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = Total Stopping Distance.
The most common cause of serious vehicle skids is:
a) Driving too fast for road conditions
b) Poorly adjusted brakes
c) Bad tires
d) Poorly designed roads
a) Driving too fast for road conditions
The engine brake effect is greater when the engine is_____ governed RPM and the transmission is in a___ gear.
a. Below, Higher
b. Near, Lower
c. Above, Lower |
b. Near, Lower
You are driving a 40-foot vehicle at 45 mph. Driving conditions are ideal. What is the least amount of space that you should keep in front of your vehicle to be safe?
a) 2 seconds
b) 3 seconds
c) 4 seconds
d) 5 seconds
d) 5 seconds
One good rule says you need at least one second for each 10 feet of vehicle length at speeds below 40 mph. At greater speeds, you must add 1 second for safety.
How can you start moving without rolling backward?
a) Engage the clutch before removing your foot from the brake.
b) Apply the trailer brake hand valve.
c) Set the parking brake whenever necessary.
d) Do all of the above.
d) Do all of the above.
Under-loaded front axles can cause the following:
a) Poor traction
b) Too much play in the steering wheel is not a problem
c) Damage to the tires
d) All answers are correct
a) Poor traction
For an average commercial vehicle, being driven at 55 mph on dry pavement it will take about _____ to bring the vehicle to a stop.
a) The length of a vehicle
b) Twice the length of the vehicle
c) More than the length of a football field
d) The length of a football field
c) More than the length of a football field
You do not have a hazardous materials endorsement on your commercial driver's license. When can you drive a vehicle hauling hazardous materials?
a) Never
b) Only when the vehicle does not require placards
c) Only when the shipment will not cross state lines
b) Only when the vehicle does not require placards