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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

44047
43869
44045
43929

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Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

5 d
3 d
4 d
2 d

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Machine Design
The fatigue life of a part can be improved by

Polishing
Shot peening
Coating
Electroplating

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Machine Design
A cotter joint is used to connect two __________ rods.

Perpendicular
Parallel
Co-axial
None of these

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Machine Design
In block brakes, the ratio of shoe width to wheel diameter is taken between

0.25 and 0.50
0.75 and 1
0.50 and 0.75
0.1 and 0.25

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Machine Design
An alien bolt is

Provided with hexagonal depression in head
Same as stud
Self locking bolt
Used in high speed components

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