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Machine Design

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

1.2 d
1.6 d
2 d
2.5 d

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Machine Design
Rivets are generally specified by

Thickness of plates to be riveted
Nominal diameter
Length of rivet
Diameter of head

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Machine Design
The resultant axial load on a bolt depends on

Relative elastic yielding (springness) of the bolt and the connected member
External load applied
All of these
Initial tension

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Machine Design
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

Angular bevel gears
Internal bevel gears
Crown bevel gears
Mitre gears

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is

Compressive stress
Bending stress
Tensile stress
Shear stress

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Machine Design
Oil in journal bearing should be applied at the point where load is

Average
Any one of the above
Nil or lightest
Maximum

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