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Machine Design

Machine Design
Belt slip may occur due to

All of these
Loose belt
Driving pulley too small
Heavy load

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Machine Design
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.

Three times
Four times
Equal to
Twice

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Machine Design
The anti-friction bearings

Have high initial cost
Can carry both radial and thrust loads
Have low starting and low running friction at moderate speeds
All of these

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Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

3W/A
W/A
2W/A
W/2A

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Machine Design
Which is positive drive?

Crossed belt drive
V belt drive
Timing belt
Flat belt drive

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

4
10
6
8

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