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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
43869
44047
44045

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Machine Design
The spring mostly used in gramophones is

Volute spring
Helical spring
Conical spring
Flat spiral spring

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Machine Design
The design of the pressure vessel is based on

Hoop stress
Longitudinal and hoop stress
None of these
Longitudinal stress

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Machine Design
The efficiency of a riveted joint is equal to

Pc /P
Pt /P
Least of Pt, Ps and Pc/P
Ps /P

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Machine Design
The contact ratio for gears is

Less than one
Greater than one
None of these
Zero

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Machine Design
The taper on cotter varies from

1 in 48 to 1 in 24
1 in 32 to 1 in 24
1 in 24 to 1 in 20
1 in 15 to 1 in 10

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