Braking System MCQ

Test your knowledge with important Braking System MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Braking System MCQs at Bissoy

• The brake bleeding process removes . . . . . . . . from system.
  ক

  Air

  খ

  Vacuum

  গ

  Excess fluid

  ঘ

  Excess pressure
• What is the factor that tend to increase brake temperature?
  ক

  Load on vehicle

  খ

  Speed of vehicle

  গ

  Unbalanced braking

  ঘ

  All are correct
• The torque capacity (Mt) of disk brake is given by
  ক

  μPRf

  খ

  μ/PRf

  গ

  μP/Rf

  ঘ

  μRf/P
• The brake lining consists mainly of
  ক

  Asbestos

  খ

  Copper

  গ

  Cast iron

  ঘ

  Aluminium
• . . . . . . . . mostly used for the braking surface.
  ক

  Steel

  খ

  Cast iron

  গ

  Copper

  ঘ

  Aluminium
• When Brake is applied the kinetic energy of a body is converted into-
  ক

  Mechanical energy

  খ

  Potential energy

  গ

  Electrical energy

  ঘ

  Chemical energy
• The brake system which is the most efficient among the given, is
  ক

  Mechanical brake system

  খ

  Hydraulic brake system

  গ

  Vacuum servo brake system

  ঘ

  Air brake system
• The main component of vacuum servo brake is
  ক

  Exhauster

  খ

  Vacuum tank

  গ

  Vacuum booster

  ঘ

  All are correct
• The oldest braking system used on any automobile is
  ক

  Mechanical braking on front wheels only

  খ

  Engine exhaust braking system

  গ

  Vacuum pump controlled braking system

  ঘ

  Girling braking system
• Fading of brakes occurs . . . . . . . .
  ক

  At high speed

  খ

  At low speed

  গ

  During continuous application

  ঘ

  When brake lining is worn out
• In the disc brake, the disc is attached
  ক

  To the piston

  খ

  To the caliper

  গ

  To the wheel hub

  ঘ

  To the steering knucle
• Band brakes are used in
  ক

  Chain saws

  খ

  Hoists

  গ

  Bucket conveyors

  ঘ

  All of the above
• The component of the wheel cylinder which seals the brake fluid is
  ক

  Piston

  খ

  Spring

  গ

  Dust cover

  ঘ

  Cup
• The force required to stop a vehicle is dependent on
  ক

  The weight of vehicle

  খ

  The deceleration rate

  গ

  Both A and B

  ঘ

  None of the above
• How does the brake pedal behave during ABS operation?
  ক

  It is pushed upwards forcefully

  খ

  It transmits slight kickback to the drivers foot

  গ

  The pedal stroke becomes longer

  ঘ

  Nothing happens
• Hand brake is applicable to
  ক

  Only front wheels

  খ

  Only rear wheels

  গ

  Both front and rear wheels

  ঘ

  All of the above
• The most effective braking system for a four wheeled vehicle will have
  ক

  All wheels braking

  খ

  Front wheel braking

  গ

  Real wheels braking

  ঘ

  Front wheels braking if the front wheel is the drive axle
• What is the cause of the fault 'insufficient braking'?
  ক

  Insufficient air in the system

  খ

  Brake shoes worn out

  গ

  Brakes require re-adjusting

  ঘ

  All are correct
• If the brake efficiency is 70%, then the braking quality is said to be
  ক

  Fair

  খ

  Very good

  গ

  Good

  ঘ

  Poor
• What is the remedy of the cause fault 'Air in hydraulic system'?
  ক

  Bleed the system

  খ

  Adjust brake pedal

  গ

  Use brake oil

  ঘ

  All are correct
• When brakes are applied on a moving vehicle; the kinetic energy is converted to
  ক

  Mechanical energy

  খ

  Heat energy

  গ

  Electrical energy

  ঘ

  Potential energy
• Bleeder valve is the valve fitted on wheel cylinders for forcing air out of the braking system
  ক

  Correct

  খ

  Incorrect

  গ

  Both are correct

  ঘ

  None of these
• When the hydraulic brake pedal is pressed by the driver and feels 'spongy' it indicates that-
  ক

  Brake shoe clearance is excessive

  খ

  System contains air

  গ

  System is in good condition

  ঘ

  Brake fluid require change
• The main function of a master cylinder is that it
  ক

  Adjusts the extent of brake pedal play

  খ

  Boosts the force applied to the brake pedal

  গ

  Converts the brake pedal force into hydraulic pressure

  ঘ

  Ensures that all the wheel brakes are supplied with the same amount of fluid pressure
• In vacuum booster servo assisted hydraulic brake, vacuum is developed
  ক

  In the inlet manifold

  খ

  In the outlet manifold

  গ

  In the crankcase

  ঘ

  None of these
• In hydraulic brake system, the movement of the piston in the master cylinder produces hydraulic pressure which causes movement of the
  ক

  Brake shoe

  খ

  Brake pedal

  গ

  Brake cam

  ঘ

  None of these
• If a force of 10 units is applied to the master cylinder of an automotive brake system which uses wheel cylinder piston of 5 square units surface area, then the output force at wheels will be
  ক

  10 units

  খ

  15 units

  গ

  50 units

  ঘ

  Cannot be estimated
• The brake shoes are curved to conform to the inner diameter of the
  ক

  Tyre

  খ

  Wheel

  গ

  Pedal

  ঘ

  Brake drum
• In vacuum brake, cylinder chamber consists of
  ক

  Atmospheric valve

  খ

  Vacuum valve

  গ

  Both A and B

  ঘ

  None of the above
• Requirements of a good braking system is
  ক

  Brake should have less wearing parts

  খ

  Brakes should work equally good in all weathers

  গ

  Both are correct

  ঘ

  None of the above