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Machine Design

Machine Design
Euler’s formula for a mild steel column is not valid if the slenderness ratio is

90
120
100
60

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Machine Design
When spring index increases, the value of Wahl's stress factor

Remains same
Decreases linearly
Increases exponentially
Increases linearly

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

45°
67.5°
22.5°
90°

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Machine Design
According to Indian standard specifications, 100 H6/g5 means that the

None of these
Difference between the actual size and basic size is 100 mm
Actual size is 100 mm
Basic size is 100 mm

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Machine Design
Basic hole is one

Whose lower as well as upper deviations are zero
Whose upper deviation is zero
Whose lower deviation is zero
Does not exist

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

Castle nut
Sawn nut
Jam nut
Ring nut

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MORE MCQ ON Machine Design

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