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Machine Design

Machine Design
The stress in the threaded part of the bolt will be __________ as compared to the shank.

Higher
Same
None of these
Lower

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Machine Design
A locking device extensively used in automobile industry is a

Ring nut
Castle nut
Jam nut
Sawn nut

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

5 to 10
0.5 to 1
3 to 5
1 to 2

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

Below
None of these
At
Above

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Machine Design
The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is

10.6 kN
15 kN
7.5 kN
22.5 kN

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Machine Design
The included angle for the British standard whitworth thread is

55°
47.5°
60°
29°

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