Sections Questions And Answers

DMV Class B: Bus With Passenger Endorsement All

Sections Questions And Answers Why should you be in the proper gear before starting down a hill? For easier braking

What factors can cause brakes to fade or fail? Excessive Heat

The use of brakes on a long, steep downgrade is only a supplement to the braking effect of the engine. True or False? True

If you are away from your vehicle only a short time, you do not need to use the parking brake. True or False?False

How often should you drain air tanks? At the end of each working day

How do you brake when you drive a tractor-trailer combination with ABS? The same as always

You still have normal brake functions if your ABS is not working. True of False? True

Why should you back toward the driver's side? For better sight of your rear end

If stopped on a hill, how can you start moving without rolling back? Partly engage the clutch and put on the parking break

When backing, why is it important to use a helper? For blind spots

What's the most important hand signal that you and the helper should agree on? Stop

What are the two special conditions where you should downshift? Before starting down a hill or entering a curve

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When should you downshift automatic transmissions? When going down grades

Retarders keep you from skidding when the road is slippery: False

What are the two ways to know when to shift? RPM and MPH

What is the most important reason for doing a vehicle inspection? Safety

What things should you check during a trip? Tires, wheels, rims, breaks, lights, reflectors, brake and electrical connections to trailer, trailer coupling devices, and cargo devices.

Name some key steering system parts: Missing nuts, bolts, cotter keys, bent or loose or broken parts, make sure steering wheel has less than 2inches of play

Name some suspension system defects: Cracked hangers, broken parts, leaking shock absorbers

What three kinds of emergency equipment must you have? Fire extinguisher, spare electrical fuses, warning devices

What is the minimum tread depth for front tires? 4/32

For other tires? 2/32

Name some things you should check on the front of your vehicle during the walk around inspection: Condition of front axle, check windshield for damage and cleanliness, check wiper blades for damage

What should wheel bearing seals be checked for? No leakage

How many red reflective triangles should you carry? 3

How do you test hydraulic brakes for leaks? Pump the pedal three times, then apply firm pressure for five seconds, if the pedal moves, there is a leak.

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