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Machine Design

Machine Design
The crest diameter of a screw thread is same as

Core diameter
Major diameter
Minor diameter
Pitch diameter

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Machine Design
Which of the following statement is correct for gears?

The pitch circle is always greater than the base circle
All of these
The pitch circle diameter is equal to the product of module and number of teeth
The addendum is less than dedendum

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Machine Design
Eye bolts are used for

Lifting and transportation of machines and cubicles
Absorbing shock and vibrations
Foundation purposes
Transmission of power

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Machine Design
A tapered key which fits in a key way in the hub and is flat on the shaft, is known as

Feather key
Gib-head key
Wood ruff key
Flat saddle key

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Machine Design
The stress induced in the belt is,

Direct shear stress
Torsional shear stress
Compressive stress
Tensile stress

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Machine Design
For maximum power, the velocity of the belt will be

√(T/2m)
√(T/m)
√(T/3m)
None of these

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