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Machine Design

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Less than
Equal to
More than
None of these

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Machine Design
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

2.5 d
1 d
1.5 d
2 d

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Machine Design
The cam follower generally used in automobile engines is

Roller follower
Flat faced follower
Spherical faced follower
Knife edge follower

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

Pc/3
1 Pc
3 Pc
2 Pc

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Machine Design
The contact ratio for gears is

None of these
Less than one
Zero
Greater than one

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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

14
24
12
18

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