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Machine Design

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

Slotted nut
Any one of the above
Castle nut
Hexagonal nut

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Machine Design
A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)

Between 20d and 30d
Equal to inside diameter of pipe
Less than 20d
Greater than 30d

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Machine Design
The shock resistance of steel is increased by adding

Nickel and chromium
Nickel
Chromium
Cobalt and molybdenum

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as nominal pitch length
4430 mm as diameter of small pulley
4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys

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Machine Design
The centrifugal tension in the belt

Has no effect on the power transmitted
Is equal to maximum tension on the belt
Decreases the power transmitted
Increases the power transmitted

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Machine Design
The distribution of the forces along the length of key fitted in a shaft

Is uniform throughout
Varies exponentially, being less near the torque-input end
Varies exponentially, being more near the torque-input end
Varies linearly

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