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Machine Design

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

Less than
None of these
Equal to
More than

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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

18
24
12
14

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Machine Design
A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is

5 N-m
7 N-m
15 N-m
10 N-m

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Machine Design
Allen bolts are

Designed for shock load
Used in aircraft application
Self locking bolts
Provided with hexagonal depression in head

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Machine Design
The shock resistance of steel is increased by adding

Nickel and chromium
Chromium
Nickel
Cobalt and molybdenum

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Machine Design
When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads

Shear
Tension
Compression
Combined loads

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