FREE AND STUDY GAMES ABOUT CDL NY AIR BRAKES

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FREE AND STUDY GAMES ABOUT CDL NY AIR BRAKES

EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -54 Questions and Answers -format set of multiple-choice -Expert- Explanation Question 1: If your truck or bus has dual parking control valves, you can use pressure from a separate tank to

Answer:

Release the spring emergency/parking brakes to move a short distance Question 2: If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of the storage tank?

Answer:

At the end of each day of driving.Question 3: You are driving down a steep downhill nd you have checked for a safe speed of 40mph. Apply the service brake until your speed drops to ___ mph.

Answer:

35 Question 4: The most common type of foundation brake found on heavy vehicles is the:

Answer:

S-cam drum

Question 5: If air pressure does not go back to normal in the correct -- then:

Answer:

The air pressure may drop too low during driving requiring dependency

Question 6: An air pressure system is fully charged at ______ PSi

Answer:

125 Question 7: Spring brakes used on tractors or straight trucks will bring your truck to a stop when the air pressure drops _____ PSI

Answer:

60 Question 8: The application pressure gauge shows how much air pressure you:

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Are applying to the brakes.Question 9: All air brake equipped vehicles have:

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A supply pressure gauge.Question 10: The proper method of breaking while going down long or steep curves after selecting the proper gear is to brake until your speed drops to ___ mph below the safe speed then release your brakes.

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5 Question 11: If you must make an emergency stop, brake so you:

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Can steer and your vehicle stay in a straight line Question 12: When the brakes are applied the brakes shoes or linings are pressed against the:

Answer:

Brake drums or disc.

Question 13: You should know that your brakes are fading when:

Answer:

You have to push harder on the brake are pedal to control your speed on downgrade Question 14: The total stopping distance for air brakes is longer than the hydraulic brakes due

to ___ distance:

Answer:

Brake lag Question 15: Of the choices below the first thing to do when low pressure air warning comes on

is:

Answer:

Stop and safely park as soon as possible.Question 16: The air compressor governor controls:

Answer:

When air is pumped into the air tanks.Question 17: Stop light switch:

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Turns on the brake lights to warn drivers behind you.Question 18: If your truck or bus has dual air brake system and the low air warning comes on for only one system. What should you do?

Answer:

Stop by the road and park. Continue on after the system is fixed.

Question 19: Which of these is not the proper time to use parking brakes?

Answer:

If the brakes are very hot, (I.E. after just coming down a hill.) Question 20: Repeatedly pressing and releasing ( Fanning the brake pedal may result in:

Answer:

A loss of air pressure

Question 21: How should you check that your service brakes are working properly?

Answer:

Park on level ground, waits for normal air pressure, and release the parking brake firmly using the brake pedal.Question 22: YOur vehicle has a dual air brake system. If a low pressure warning comes on for

the secondary system; you should:

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Bring the vehicle to a safe stop and continue only when the system is fixed Question 23: Emergency stab braking is when you:

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Brake as hard as you can; release the brakes when the wheel locks up Question 24: Some air brake systems have an alcohol evaporator. What happen if you don't keep the unit filled with alcohol?

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Ice will form in the storage tanks and cause the brakes to ---- Question 25: The modulating control valve allows you to control the:

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Spring brakes Question 26: Air braking takes more time than hydraulic braking because air:

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Takes more time to flow threw the lines than hydraulic fluid.Question 27: If your truck has a dual air system and one of the systems is low pressure.

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Either the front or rear brakes will not be fully operational.Question 28: If your truck's air compressor has its own oil supply when should you first check its oil level?

Answer:

Before driving.