76. The bead of the tyre rest on the :
(A) Wheel hub (B) Wheel Rim
(C) Disc (2) Tyre shoulder
77. On releasing the disc brake, which part act as a return spring and retracts the piston and
the friction pads away from the disc ?
(^) Callipers (B) Revolving Disc
(ಲ) Rubber Sealing ring (2) Pedal return spring
78. The purpose of brake proportioning valves in the braking system is
(A) Increase braking force
(B) Reduces brake pedal effort
(C) Preven....
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