21. The car is moving up on the 12o inclined road with horizontal at 36 km/h which is having wheelbase 1.4 m. The C. G. of the car is 0.9 m above the road. The coefficient of friction is 0.7. What is the retardation of the car if the brakes are applied to all the four wheels?
22. If the car is moving on the level road at a speed of 50 km/h has a wheelbase 3 m, a distance of C.G. from ground 700 mm and distance from rear wheels is 1.1 m. Coefficient of friction is 0.7. What is the retardation if the brakes are applied to the rear wheels?
23. The most suitable material for a brake drum is
24. Select the better arrangement of shoes for manually operated hydraulic brake system
25. In what position should the brake pedal be kept when a bleed screw is loosened?
26. The brake pipes in hydraulic brake system are made of
27. The function of master cylinder in hydraulic brakes is to
28. In a disc brake, which component provides the pad-to-disc adjustment?
29. Which of the following phrases correctly describes the function of the brake?
30. Desired slip rate in case of ABS of a road vehicle is:
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