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Machine Design

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than
Less than
Equal to
None of these

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Machine Design
A spring is used to

Measure forces
Store energy
All of these
Apply forces

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Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

Below
At
Above
None of these

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Machine Design
According to maximum normal stress theory, the maximum normal stress in the shaft is

σ + √(σ² × 4τ²)
(1/2) × √(σ² × 4τ²)
(1/2) × [σ + √(σ² × 4τ²)]
√(σ² × 4τ²)

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Machine Design
A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as,

Hollow key
Hollow saddle key
Soft key
None of these

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Machine Design
The included angle for the British standard whitworth thread is

47.5°
29°
55°
60°

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