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Machine Design

Machine Design
In most machine members, the damping capacity of the material should be

Could be anything
Zero
High
Low

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Machine Design
The wire ropes make contact at

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

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Machine Design
A hot short metal is

Brittle when cold
Brittle under all conditions
Brittle when hot
Ductile at high temperature

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Both A and B
None of these
Perpendicular
Parallel

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Machine Design
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

7.2 N/mm² tension
3.6 N/mm² tension
3.6 N/mm² compression
7.2 N/mm² compression

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Machine Design
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Both the ends hinged
One end fixed and the other end free
One end fixed and the other end hinged
Both the ends fixed

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