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Machine Design

Machine Design
In Vickers hardness testing, the pyramid indentor apex is

122°
152°
136°
40°

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Machine Design
The included angle for the British Association thread is

29°
47.3°
60°
55°

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Machine Design
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be

4 times more
3 times more
2 times more
Same in both cases

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Machine Design
The ultimate strength of steel in tension in comparison to shear is in the ratio of

0.085416666666667
0.12638888888889
0.084027777777778
0.042361111111111

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Machine Design
The algebraic difference between the maximum limit and the basic size is called

Lower deviation
Upper deviation
Actual deviation
Mean deviation

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Machine Design
The material commonly used for crane hooks is

Aluminium
Mild steel
Cast iron
Wrought iron

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MORE MCQ ON Machine Design

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