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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

43869
43929
44045
44047

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Machine Design
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

90°
160°
135°
180°

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Machine Design
In order to obtain bolt of uniform strength

Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
Increase its length
Increase shank diameter
Tighten die bolt properly

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Machine Design
The value of Lewis form factor used in design of gears is

Independent of size of teeth
Dependent on number of teeth of a gear
Dependent on system of teeth
All of these

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Machine Design
The efficiency of a riveted joint is equal to

Pc /P
Least of Pt, Ps and Pc/P
Pt /P
Ps /P

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Machine Design
The cam follower generally used in automobile engines is

Knife edge follower
Flat faced follower
Spherical faced follower
Roller follower

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