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Machine Design

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
44047
44045
43869

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Machine Design
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

0.01 micron
10 microns
0.1 micron
1 micron

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Machine Design
The largest diameter of an external or internal screw thread is known as

Minor diameter
Pitch diameter
None of these
Major diameter

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Machine Design
The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.

Decreases
Remain same
None of these
Increases

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Machine Design
Shear stress theory is applicable for

Brittle materials
Ductile materials
All of these
Elastic materials

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Machine Design
A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is

Greater than 1/10
None of these
Less than 1/10
Equal to 1/10

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