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Machine Design

Machine Design
The groove angle of the pulley for rope drive is usually

45°
20°
35°
60°

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Machine Design
When the fulcrum is in between the load and effort, the lever is said to be of

Second type
Third type
First type
Any one of these

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Machine Design
The objective of 'crowning' of the flat pulleys of belt drive is to

Prevent the belt from running off the pulley
Prevent the belt joint from damaging the belt surface
Increase the belt velocity
Increase the power transmission capacity

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Machine Design
The expression 0.175 - 0.841/T is the Lewis form factor for

None of these
14½° composite and full depth involute system
20° stub system
20° full depth involute system

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Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Pitch
Back pitch
Margin
Diagonal pitch

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Machine Design
A backing ring is used inside the pipe joint when making a

Socket weld
Fillet weld
Sleeve weld
Butt weld

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