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Machine Design

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

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

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Machine Design
According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon

0.20 to 0.40%
0.40 to 0.60%
None of these
0.35 to 0.45%

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Machine Design
A crankshaft is a __________ shaft.

Transmission
None of these
Machine frame
Machine

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Machine Design
In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Spheroidizing
Annealing
Normalizing
Tempering

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

0.5 to 1
1 to 2
5 to 10
3 to 5

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

None of these
Same
More
Less

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