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Machine Design

Machine Design
The efficiency of a riveted joint is equal to

Ps /P
Least of Pt, Ps and Pc/P
Pc /P
Pt /P

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Machine Design
If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension)

[⅟₂ × (P1 + P2)] + Pc
⅟₂ × (P1 + P2)
P1 + P2
P1 - P2

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Machine Design
The power transmitted by belt drive depends upon

All of these
Initial belt tension
Arc of contact
Belt velocity

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Machine Design
In testing a material for endurance strength, it is subjected to

Impact load
Completely reversed load
Dynamic load
Static load

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Machine Design
In a butt welded joint, the size of weld is __________ the throat of weld.

Equal to
Double
0.5 times
2 times

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Machine Design
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

0.1 micron
10 microns
1 micron
0.01 micron

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