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Machine Design

Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43832
43833
43864
43834

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Machine Design
In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

d + 17 mm
3.5 d
2d + 13 mm
2d + 20 mm

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Machine Design
The objective of caulking in a riveted joint is to make the joint

Free from corrosion
Free from stress
Stronger in tension
Leak-proof

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Machine Design
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

1.2 d
1.57 d
0.8 d
1.8 d

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Perpendicular
Both A and B
Parallel
None of these

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Machine Design
The gears are termed as medium velocity gears, if their peripheral velocity is

1-3 m/s
30-50 m/s
3-15 m/s
15-30 m/s

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