Choose the wrong statement – McqOptions

MCQOPTIONS

1.	Choose the wrong statement
A.	the frictional torque transmitted by a shaft fitted with a large number of collars is the same as transmitted by a shaft with one collar
B.	the frictional force for uniform pressure, in case of a flat pivot bearing, can be assumed to be acting at a distance of two-thirds of the radius of the shaft from the axis of shaft.
C.	when horse power lost in friction is to be determined, uniform pressure is assumed for safe design of bearing
D.	the frictional force for uniform pressure, in case of a flat collar pivot bearing, can be assumed to be acting at a distance of half of the sum of internal and external radii of the shaft
Answer» E.

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