Friction Clutches MCQs

May 20, 2021

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1. A jaw clutch is

2. 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

3.

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.

4. The friction material of the clutch should have

5.

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

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

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

7. In case of multi-disk clutches, oil is used,

8. The clutch used in trucks is

9. The commonly used angle between leather or asbestos friction lining surface and axis of cone clutch for a cone clutch is

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


 

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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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