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Machine Design

Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.d.σt
(p - d) σt
(p - d) t.σt
p.t.σt

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Machine Design
In a multiple V-belt drive, if one of the belts break, then

The broken belt need not to be replaced
The entire set of belts is replaced
The broken belt and the belt on either side of it, is replaced
Only the broken belt is replaced

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Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

4 T
1 T
2 T
T/2

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Machine Design
The cam follower generally used in automobile engines is

Flat faced follower
Knife edge follower
Roller follower
Spherical faced follower

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Machine Design
In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called

Axial pitch
Normal pitch
Diametral pitch
Module

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Machine Design
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Increasing the cross-section area of bar
Would depend upon other factors
Decreasing the cross-section area of bar
Remain unaffected with cross-section area

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