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Machine Design

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

Co-axial
Perpendicular
Parallel
None of these

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Three times
Double
Same
Four times

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Machine Design
The design of the pressure vessel is based on

None of these
Hoop stress
Longitudinal and hoop stress
Longitudinal stress

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Machine Design
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by

N/Zp
ZN/p
Z/pN
p/ZN

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

Less
None of these
Same
More

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Machine Design
A connecting rod is designed as a

Strut
Short column
Long column
All of these

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