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Machine Design

Machine Design
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

None of these
Smaller
Greater
Medium

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Machine Design
A feather key is generally

Loose in shaft and tight in hub
Loose in both shaft and hub
Tight in shaft and loose in hub
Tight in both shaft and hub

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Machine Design
The gears are termed as medium velocity gears, if their peripheral velocity is

1-3 m/s
3-15 m/s
15-30 m/s
30-50 m/s

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Machine Design
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.

One-half
One-third
One-fourth
Double

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Machine Design
In a flange coupling, the bolts are subjected to

Compressive stress
Shear stress
Tensile stress
None of these

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Machine Design
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited

BSW
Acme
Square
Buttress

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