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Machine Design

Machine Design
The draw of cotter need not exceed

20 mm
10 mm
5 mm
3 mm

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Machine Design
All stresses produced in a belt are

Compressive stresses
Tensile stresses
Shear stresses
Both tensile and compressive stresses

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Machine Design
The rivet head used for boiler plate riveting is usually

Snap head
Conical head
Pan Head
Counter sunk head

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Machine Design
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Increasing the cross-section area of bar
Remain unaffected with cross-section area
Decreasing the cross-section area of bar
Would depend upon other factors

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Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

4 T
1 T
2 T
T/2

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Machine Design
Gears are casted by

Permanent mould casting
Centrifugal casting
Sand mould casting
Slush casting

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MORE MCQ ON Machine Design

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