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Machine Design

Machine Design
If a spring is cut down into two springs, the stiffness of cut springs will be

Half
None of these
Same
Double

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Machine Design
When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to

(1/2) × [M + √(M² + T²)]
(1/2) × √(M² + T²)
√(M² + T²)
M + √(M² + T²)

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Machine Design
The width of the pulley should be __________ width of the belt.

None of these
Less than
Greater than
Equal to

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Machine Design
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called

Face width
Working depth
Clearance
Backlash

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Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

None of these
Equal to 1
Less than unity
Greater than unity

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Machine Design
Belt slip may occur due to

Loose belt
Heavy load
All of these
Driving pulley too small

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