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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

43869
44045
44047
43929

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.6 d
2 d
2.5 d
1.2 d

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with single cover plate
Lap joint with one ring overlapping the other
Butt joint with double cover plate
Any one of the above

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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 maximum normal stress theory is used for

Non-ferrous materials
Ductile materials
Brittle materials
Plastic materials

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Machine Design
In the levers of third type, the mechanical advantage is __________ one.

More than
Equal to
None of these
Less than

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