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Mechanic Motor Vehicle
Mechanic Motor Vehicle Set-1
Hydraulic and Pneumatic
22

Hydraulic and Pneumatic MCQ with Answers

22) What is the type of inner drive gear used in the internal gear oil pump?

Spur gear

Spiral gear

Rotor gear

Helical gear

Answer is:

Spur gear

What is the type of inner drive gear used in the internal gear oil pump?

Hydraulic and Pneumatic MCQ with Answers

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Related Hydraulic and Pneumatic MCQ with Answers

23) What is the reason for pneumatic brake failure?

Less pedal play

More pedal play

Defective unloader valve

Defective front wheel slack adjuster

Answer is:

Defective unloader valve

24) What is the effect if the unloader valve is in open position?

Release the air to the brake valve

Allow the air in to the air tank

Maintain the required air pressure

Continuously allow the air to the atmosphere

Answer is:

Continuously allow the air to the atmosphere

25) Which valve is to be closed before lifting the load with hydraulic jack?

Relief valve

Shut of valve

Non return valve-1

Non return valve-2

Answer is:

Shut of valve

26) Which valve save the pneumatic brake components against damage?

Brake valve

Check valve

Relay valve

Unloader valve

Answer is:

Unloader valve

Hydraulic and Pneumatic MCQ with Answers

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