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Machine Design

Machine Design
The following type of nut is used with alien bolt

Castle nut
Slotted nut
Hexagonal nut
Any one of the above

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Machine Design
The sleeve or muff coupling is designed as a

Thick cylinder
Dun cylinder
Solid shaft
Hollow shaft

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

Double
One-fourth
One-third
One-half

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Machine Design
The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.

Decreases
Increases
None of these
Remain same

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

Brinell
Vickers
None of these
Rockwell

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Machine Design
The velocity of sliding __________ the distance of the point of contact from the pitch point.

Does not depend upon
Is directly proportional to
Is inversely proportional to
Is equal to cos φ multiplied by

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