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Machine Design

Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

Equal to
2 times
Double
0.5 times

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Machine Design
A screw is said to be a self locking screw, if its efficiency is

None of these
Equal to 50%
More than 50%
Less than 50%

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

b/L
1 - 2 b.L
1 - (b/L)
b/2L

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with single cover plate
Lap joint with one ring overlapping the other
Butt joint with double cover plate
Any one of the above

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Machine Design
The building up of worn and undersized parts, subjected to repeated loads by electroplating is

Best method
Has no effect as regards fatigue strength
Extremely hazardous
Cheapest method

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

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

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