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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
100
120
60

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Machine Design
The taper on key is given on

Bottom side only
Any side
On both sides
Top side only

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Machine Design
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

Long bearing
Square bearing
Short bearing
Medium bearing

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43834
43833
43832
43864

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Machine Design
A screw will be self locking, if

Efficiency of screw is 100%
Friction angle is more than helix angle
Friction angle is equal to helix angle
Friction angle is less than helix angle

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Machine Design
In a flange coupling, the flanges are coupled together by means of

Studs
Headless taper bolts
Bolts and nuts
None of these

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MORE MCQ ON Machine Design

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