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Machine Design

Machine Design
The wear load should be __________ the dynamic load.

None of these
Less than
Greater than
Equal to

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Machine Design
The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as

(Kt + 1)/ (Kf + 1)
(Kt - 1)/ (Kf - 1)
(Kf + 1)/ (Kt + 1)
(Kf - 1)/ (Kt - 1)

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Machine Design
The suitable material for belt in agricultural machinery is

Balata gum
Cotton duck
Leather
Rubber

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Machine Design
The dedendum is the radial distance from the

Addendum circle to the clearance circle
Pitch circle to the bottom of a tooth
Top of a tooth to the bottom of a tooth
Pitch circle to the top of a tooth

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

Grinding and lapping surface
Shot peening
Hot working
Cold working

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Machine Design
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

Head
Thread
Shank
Middle

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