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Machine Design

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

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

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Machine Design
The taper on a rectangular sunk key is

1 in 32
1 in 48
1 in 16
1 in 100

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Machine Design
The ratio of the ultimate stress to the design stress is known as

Elastic limit
Bulk modulus
Factor of safety
Strain

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Machine Design
Which of the following is an anti-friction bearing?

Journal bearing
Collar bearing
Pedestal bearing
Needle bearing

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Four times
Double
Same
Three times

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Machine Design
The most important dimension in the design of a nut is

Inside diameter
Height
Pitch diameter
Outside diameter

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