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Machine Design

Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

1.2 d
d
0.8 d
0.5 d

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Machine Design
When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as,

Helical gearing
Worm gearing
None of these
Bevel gearing

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Same
Double
Three times
Four times

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/tanθ
1/cosθ
sinθ cosθ
1/sinθ

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

None of these
Parallel
Perpendicular
Co-axial

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Machine Design
A riveted joint is a __________ fastening.

Permanent
Temporary
None of these
Either A or B

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