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Machine Design

Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

8°
5°
25°
15°

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Machine Design
The product of the diametral pitch and circular pitch is equal to

π
π × number of teeth
1/π
1

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Machine Design
In testing a material for endurance strength, it is subjected to

Dynamic load
Static load
Impact load
Completely reversed load

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Machine Design
The fatigue life of a part can be improved by

Shot peening
Polishing
Electroplating
Coating

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Machine Design
If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension)

[⅟₂ × (P1 + P2)] + Pc
[(√P1 + √P2)/2]²
P1 + P2
⅟₂× (P1 + P2)

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

Working depth
Face width
Backlash
Clearance

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MORE MCQ ON Machine Design

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