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Machine Design

Machine Design
Aircraft body is usually fabricated by

Pre-casting
Riveting
Casting
Welding

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Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Cold working
Grinding and lapping surface
Shot peening
Hot working

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Machine Design
Fabric belts are used in industrial applications because

They are unaffected by moisture and humidity
They can work at high temperature
None of these
They are cheap

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

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

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Machine Design
A type of brake commonly used in motor cars is a

Internal expanding brake
Band and block brake
Shoe brake
Band brake

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Machine Design
The function of the washer is to

Fill up the axial gap
Absorb shocks and vibrations
Provide bearing area
Provide cushioning effect

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