Friction Clutches MCQs

May 20, 2021

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1. The friction moment in a clutch with uniform wear as compared to friction moment with uniform pressure is

2.

In case of single plate worn out clutches and brakes, the friction radius is equal to

    Where, ‘D’ and ‘d’ are outer and inner diameters of friction lining respectively.

3. The clutch used in trucks is

4. The clutch used in scooters is

5. The torque transmitted by single plate clutch, working on uniform wear criterion, is given by,    Where, µ = coefficient of friction, P = axial force required to hold the friction surfaces together, Rmin = mean radius of friction surfaces

6. In the running condition, the net force acting on the drum of centrifugal clutch is equal to

7. The friction material of the clutch should have

8. In the beginning of engagement of a centrifugal clutch,

9. The friction radius for new clutch compared to worn out clutch will be

10. In case of cone clutch, a relatively small axial force can transmit a given torque, if the semi-cone angle is


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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