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Machine Design

Machine Design
In the levers of first type, the mechanical advantage is ________ one.

Equal to
None of these
More than
Less than

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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 application of third type levers is found in

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

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Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

25°
8°
15°
5°

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Machine Design
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Internal bevel gears
Mitre gears
Crown Bevel gears
Angular bevel gears

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Machine Design
The number of slots in a 25 mm castle nut is

8
6
2
4

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