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Machine Design

Machine Design
The spring mostly used in gramophones is

Helical spring
Flat spiral spring
Conical spring
Volute spring

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

Spiral gearing
Bevel gearing
Helical gearing
Spur gearing

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Machine Design
The resultant axial load on a bolt depends on

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

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Machine Design
The application of second type levers is found in

Handle of a hand pump
Hand wheel of a punching press
A pair of tongs
Lever of a loaded safety valve

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Machine Design
The value of stress concentration factor depends upon

Material of the part
Material and geometry of the part
Geometry of the part
None of these

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Machine Design
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

1.25 d
1.75 d
1 d
1.5 d

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