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Machine Design

Machine Design
In a flange coupling, the bolts are subjected to

None of these
Compressive stress
Shear stress
Tensile stress

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Machine Design
In helical bevel gearing, the axes of shafts are __________ and the teeth are curved.

None of these
Intersecting
Non-intersecting and non-parallel
Intersecting and non-parallel

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Machine Design
The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be

24
18
14
12

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Machine Design
A hot short metal is

Ductile at high temperature
Brittle when hot
Brittle under all conditions
Brittle when cold

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Machine Design
In most machine members, the damping capacity of the material should be

Zero
High
Could be anything
Low

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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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