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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

8
10
4
6

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Machine Design
The crest diameter of a screw thread is same as

Minor diameter
Core diameter
Pitch diameter
Major diameter

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Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

(6V/ π)3
(6V/ π)1/2
(6V/ π)2
(6V/ π)1/3

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Machine Design
The lead angle of a worm is 22.5°. Its helix angle will be

22.5°
90°
67.5°
45°

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Machine Design
The application of third type levers is found in

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

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Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

At
Above
Below
None of these

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