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Machine Design

Machine Design
A cotter joint is used to connect two __________ rods.

Co-axial
Perpendicular
Parallel
None of these

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Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

21
17
15
25

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

Both ends hinged
One end fixed and the other end free
One end fixed and the other end hinged
Both ends fixed

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct shear stress
Direct tensile stress
Direct bending stress
Direct compressive stress

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Machine Design
In skew bevel gearing, the axes of shafts are

Intersecting and the teeth are curved
None of these
Non-intersecting and nonparallel and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight

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Machine Design
Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to

Combined static and dynamic loading
Dynamic loading
Static loading
Completely reversed loading

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