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Machine Design

Machine Design
The shock resistance of steel is increased by adding

Nickel and chromium
Cobalt and molybdenum
Chromium
Nickel

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Machine Design
The constant factor in case of R10 series of preferred numbers is

1.26
1.06
1.58
1.12

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Machine Design
Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth)

0.175 - (0.841/T)
0.154 - (0.912/T)
0.124 - (0.684/T)
None of these

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

4
8
6
2

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

Equal to
Double
2 times
0.5 times

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Machine Design
A screw is specified by its

Major diameter
Pitch diameter
Minor diameter
Pitch

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