Chapter 3 BRAKE SYSTEM MCQs 30 min Score: 0 Attempted: 0/30 Subscribe 1. Brake is a device which converts kinetic energy into (A) Mechanical energy (B) Heat energy (C) Electrical energy (D) Potential energyShow All Answers 2. Force required to stop a vehicle depends on (A) The deceleration rate (B) The weight of vehicle (C) Both (A) and (B) (D) None of the aboveShow All Answers 3. Which of the following is not a drum brake? (A) External contracting brake (B) Internal expanding brake (C) Disc brake (D) All of the aboveShow All Answers 4. Which of the following brakes is used for hand brake? (A) External contracting brake (B) Internal expanding brake (C) Disc brake (D) All of the aboveShow All Answers 5. Brake disc is attached on (A) Wheel (B) Axle (C) Suspension system (D) HubShow All Answers 6. Mechanical brake is operated with the help of (A) Levers (B) Bell cranks (C) Cams (D) All of the aboveShow All Answers 7. In vacuum brake cylinder chamber consists of (A) Vacuum valve (B) Atmospheric valve (C) Both (A) and (B) (D) None of the aboveShow All Answers 8. Hydraulic brake follows the principle (A) Law of conservation of momentum (B) Law of conservation of energy (C) Pascal's law (D) None of the aboveShow All Answers 9. In hydraulic brake system master cylinder is used for (A) Builds up hydraulic pressure to operate the brakes (B) Maintains constant volume of fluid in the system (C) Serves as a pump to force air out of the hydraulic system (D) All of the aboveShow All Answers 10. Tandem master cylinder consists of (A) One cylinder and one reservoir (B) Two cylinders and one reservoir (C) One cylinder and two reservoirs (D) Two cylinders and two reservoirsShow All Answers 11. Hand brake is applied on (A) Only front wheels (B) Only rear wheels (C) Both front and rear wheels (D) All of the aboveShow All Answers 12. Which factor is essential for effective brake? (A) Area of brake linings (B) Radius of car wheel (C) Amount of pressure applied to shoe brakes (D) All of the aboveShow All Answers 13. In brake system servo action is used for (A) Amplification of braking forces (B) Increase friction between shoe and wheel (C) Transfer of weight during stop (D) All of the aboveShow All Answers 14. Power brake is applied by (A) Electrical energy (B) Engine vacuum (C) Air pressure (D) All of the aboveShow All Answers 15. Releasing of air from hydraulic brake system is called (A) Bleeding (B) Self-energizing (C) Servo action (D) EnergizationShow All Answers 16. In hydraulic brake system which part converts mechanical force to hydraulic pressure? (A) Master Cylinder (B) Wheel Cylinder (C) Brake booster (D) Brake pedalShow All Answers 17. In hydraulic brake system which part converts hydraulic pressure to mechanical force? (A) Master Cylinder (B) Wheel Cylinder (C) Brake booster (D) Brake pedalShow All Answers 18. In disc brake which part returns the piston to its original position? (A) Coil spring (B) Hydraulic pressure (C) Rubber ring (D) Compression springShow All Answers 19. In hydraulic brake system which valve provides hydraulic pressure to rear wheels prior to front wheels? (A) Metering Valve (B) Pressure difference valve (C) Proportional Valve (D) Residual pressure check valveShow All Answers 20. In hydraulic brake system which valve provides more fluid to front wheels than rear wheels? (A) Metering Valve (B) Pressure difference valve (C) Proportional Valve (D) Residual pressure check valveShow All Answers 21. By increasing wheel cylinder diameter braking force can be (A) Increase (B) Decrease (C) Remain same (D) NoneShow All Answers 22. Brake used to stop the vehicle in normal driving is called (A) Service brake (B) Parking brake (C) Emergency brake (D) Ordinary brakeShow All Answers 23. At which pressure governor shuts off air compressor? (A) 35 PSI (B) 85 PSI (C) 100 PSI (D) 135 PSIShow All Answers 24. At which pressure governor switches on the air compressor? (A) 35 PSI (B) 85 PSI (C) 100 PSI (D) 135 PSIShow All Answers 25. Which valve is used to exit oil and water from air tank from time to time? (A) Manual Operated Valve (B) Spit Valve (C) Relief Valve (D) Safety ValveShow All Answers 26. In air brake system brake pedal is called (A) Control Valve (B) Manual Valve (C) Spit Valve (D) Treadle ValveShow All Answers 27. In air brake system brake shoes are expanded with the help of (A) Wheel Cylinder (B) Cam lube (C) S Cam (D) Power ScrewShow All Answers 28. In air brake system disc pads are compressed with the help of (A) Wheel Cylinder (B) Cam lube (C) S Cam (D) Power ScrewShow All Answers 29. In air brake system emergency brake is applied by (A) Air pressure (B) Hydraulic pressure (C) Pneumatic pressure (D) Spring pressureShow All Answers 30. To apply spring brakes gradually a control handle is used. This handle is called (A) Modulating Control Valve (B) Foot valve (C) Treadle Valve (D) Spit ValveShow All Answers
