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Machine Design

Machine Design
The static tooth load should be __________ the dynamic load.

Greater than
Equal to
None of these
Less than

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Machine Design
The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to

Static as well as dynamic load
Completely reversed load
Dynamic load
Static load

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Machine Design
Which of the following is an anti-friction bearing?

Pedestal bearing
Needle bearing
Journal bearing
Collar bearing

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

20 m/s
12.5 m/s
10 m/s
15 m/s

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Machine Design
The radial distance of a tooth from the pitch circle to the top of the tooth is called

Working depth
Addendum
Clearance
Dedendum

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Machine Design
A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as,

Hollow saddle key
Soft key
Hollow key
None of these

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