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Machine Design

Machine Design
In order to permit the thermal expansion/contraction of tubing, it should be

Honed
Flared
Bent
Crimped

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Machine Design
A connecting rod should be

Strong in buckling about Y-axis
Any one of the above
Strong in buckling about X-axis
Equally strong in buckling about X-axis and Y-axis

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Machine Design
The efficiency of a riveted joint is equal to

Least of Pt, Ps and Pc/P
Pc /P
Ps /P
Pt /P

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Machine Design
Which of the following bearing is preferred for oscillating conditions?

Double row roller bearing
Angular contact single row ball bearing
Needle roller bearing
Taper roller bearing

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

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

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Machine Design
The building up of worn and undersized parts, subjected to repeated loads by electroplating is

Cheapest method
Extremely hazardous
Has no effect as regards fatigue strength
Best method

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