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Machine Design

Machine Design
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.

None of these
Thrice
Half
Twice

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Machine Design
The wire ropes make contact at

Sides and bottom of groove of the pulley
Anywhere in the groove of the pulley
Bottom of groove of the pulley
Sides of groove of the pulley

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Machine Design
If a load W is applied instantaneously on a bar; Then the stress induced in bar will

Be independent of ratio of mass of load W to mass of bar (y)
Depend on other considerations
Decrease with decrease in y
Increase with increase in y

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Machine Design
A cotter joint is used to connect two __________ rods.

Perpendicular
Co-axial
Parallel
None of these

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Machine Design
I.S. specifies following total number of grades of tolerances

20
22
16
18

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Machine Design
The V-belts are particularly suitable for __________ drives.

Long
Short
None of these
Both A and B

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