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ESE 2021 ME Technical Quiz || Brakes and Clutches

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Question 1

In a plate clutch, axial force is equals to 7 KN. The inside radius(ri) of contact surface is 300 mm and outer radius(ro) of contact surface is 700 mm. For uniform pressure the mean radius of friction surface will be __________.

Question 2

Which of the following(s) are the desirable properties of friction materials used in clutches?

Question 3

While designing a clutch-plate we use uniform wear theory instead of uniform pressure theory because

Question 4

A drum brake is shown in the figure. The drum is rotating in anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in N.m) for the brake shoe is ______

Question 5

The device which permits the connection and disconnection of shaft is:
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Jun 21ESE & GATE ME