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Machine Design

Machine Design
The railway carriage couplings have

Acme threads
Square threads
Knuckle threads
Buttress threads

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Machine Design
According to I.B.R., the thickness of the boiler shell should not be less than

6 mm
4 mm
7 mm
5 mm

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Machine Design
Which of the following screw thread is adopted for power transmission in either direction?

Buttress threads
Square threads
Acme threads
Multiple threads

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Machine Design
The suitable material for belt in agricultural machinery is

Rubber
Balata gum
Cotton duck
Leather

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

More
Less
Same
None of these

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

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

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