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Machine Design

Machine Design
The efficiency of a riveted joint is equal to

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

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Machine Design
In second type of levers,

Fulcrum is in between the load and effort
Effort is in between the fulcrum and load
None of these
Load is in between the fulcrum and effort

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Machine Design
A column of length l is fixed at both ends. The equivalent length of the column is

2 l
l/2
l/√2
l

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Machine Design
The application of second type levers is found in

Lever of a loaded safety valve
A pair of tongs
Handle of a hand pump
Hand wheel of a punching press

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Machine Design
A universal coupling is used to connect two shafts

Whose axes intersect at a small angle
Have lateral misalignment
Which are perfectly aligned
Which are not in exact alignment

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

8
4
6
10

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MORE MCQ ON Machine Design

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