The condition that causes vapour locking in a brake system is

A Overheating of the fluid due to frequent brake application
B Overcooling of the brakes during high speed driving
C Keeping the vehicle without use for an extended period
D An excessively high engine speed on a downhill road

Correct Answer: Overheating of the fluid due to frequent brake application

vapour locking in a brake system is Overheating of the fluid due to frequent brake application
Bissoy MCQ
#Mechanical Engineering #Automobile Engineering

Related Questions

The effect of vapour locking on the brake performance is that the
A Brakes function more effectively
B Brakes fail completely
C Brake operation is delayed after depression of the brake pedal
D Vapour locking has no effect on brake performance
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called
A Ring nut
B Castle nut
C Sawn nut
D Jam nut
In recent times, the “dynamic brake system” is becoming popular in modern railways. The dynamic brake system coverts Kinetic energy to________:
A Potential energy
B Electricity
C Sound energy
D Magnetic energy
In a vapour compression system, the condition of refrigerant is dry saturated vapour
A Before entering the compressor
B After leaving the compressor
C Before entering the condenser
D After leaving the condenser
The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is
A Brake pedal, Master cylinder, Brake lines, Vacuum servo mechanism, Brake pads
B Brake pedal, Vacuum servo mechanism, Master cylinder, Brake lines, Brake pads
C Brake pedal, Master cylinder, Vacuum servo mechanism, Brake lines, Brake pads
D Brake pedal, Brake lines, Vacuum servo mechanism, Master cylinder, Brake pads
In vapour compression cycle the condition off refrigerant is dry saturated vapour
A After passing through the condenser
B Before passing through the condenser
C After passing through the expansion or throttle valve
D Before entering the compressor
In vapour compression cycle, the condition of refrigerant is very wet vapour
A After passing through the condenser
B Before passing through the condenser
C After passing through the expansion or throttle valve
D Before entering the compressor
In vapour compression cycle the condition of refrigerant is superheated vapour
A After passing through the condenser
B Before passing through the condenser
C After passing through the expansion or throttle valve
D Before entering the expansion valve
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
A Liquid pump
B Generator
C Absorber and generator
D Absorber, generator and liquid pump
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.
A Superheated
B Desuperheated
C Non-condensable
D None of these

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