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Machine Design

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

Equal to
0.5 times
2 times
Double

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Machine Design
The number of slots in a 25 mm castle nut is

4
2
8
6

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Machine Design
The dynamic tooth load is due to

Inaccuracies of tooth spacing
All of these
Irregularities in tooth profiles
Deflections of teeth under load

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Machine Design
Oil in journal bearing should be applied at the point where load is

Nil or lightest
Maximum
Any one of the above
Average

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Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Pitch
Margin
Diagonal pitch
Back pitch

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Machine Design
An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

One-eighth
Double
One-half
One-fourth

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