CDL – Commercial Drivers License Passenger – Subject Test Sample Practice Questions

1. Commercial bus drivers must have a CDL if:
a. They drive a vehicle that has air brakes
b. They drive a vehicle that is designed to carry more than fifteen (15) passengers including the driver.
c. They drive a vehicle that has a gross weight rating of more than 26,000 pounds.
d. They drive a vehicle that is designed to carry more than nine passengers.

2. A disruptive passenger:
a. Should not be discharged where it would be unsafe for them.
b. Is not your responsibility
c. Should not be allowed on the bus
d. May be thrown off the bus

3. Your bus is disabled. The bus, with riders aboard, may be towed or pushed to a safe place only:
a. If getting off the bus would be more risky for the riders
b. By a tow truck with a GVWR of at lease 27,000 pounds
c. If the distance is less than 1 mile
d. By another bus with its 4-way flashers on.

4. How many seats not securely fastened to the bus are usually allowed?
a. 0
b. 1
c. 2
d. 3
CDL – Commercial Drivers License Passenger – Subject Test Sample Questions download free.
5. Some city transit buses may have a brake-door interlock system, this system:
a. Should be used in place of the parking brake
b. Releases the brakes
c. Should be used in emergencies
d. Works when the passenger exit doors are open

6. Federal regulations set an axle weight limit of ____ pounds on a tandem axle (four feet apart).
a. 26,000
b. 32,000
c. 34,000
d. 40,000

7. The drivers seat should be adjusted:
a. Only when the bus is moving at 30 mph or less
b. Only when the bus is at a stop
c. Whenever the driver finds it necessary while driving
d. None of the above

8. How are buses to handle most railroad grade crossings?
a. Come to a complete stop before crossing
b. Turn the vehicle flashers on before crossing
c. Tap the electric horn before crossing
d. Slow down and prepare to stop if a train is approaching

9. In a pressurized cooling system, coolant level should be checked:
a. Only by a mechanic
b. Every 90 days
c. Only while the engine is hot
d. None of the above.

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