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Machine Design

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

1/π
π × number of teeth
π
1

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Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

Longitudinal stress
Shear stress
Circumferential stress
None of these

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Machine Design
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

3.6 N/mm² tension
3.6 N/mm² compression
7.2 N/mm² tension
7.2 N/mm² compression

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Machine Design
The rocker arms in internal combustion engines are of__________.

First type levers
Second type levers
None of these
Third type levers

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Machine Design
The material commonly used for crane hooks is

Wrought iron
Cast iron
Aluminium
Mild steel

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Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

43929
44045
43869
44047

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