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Machine Design

Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

d
1.2 d
0.5 d
0.8 d

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Machine Design
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.

Twice
Four times
Equal to
Three times

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Machine Design
The rocker arms in internal combustion engines are of__________.

Third type levers
None of these
Second type levers
First type levers

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Machine Design
Rivets are generally specified by

Diameter of head
Nominal diameter
Length of rivet
Thickness of plates to be riveted

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Machine Design
The acme threads are usually found on

Feed mechanism of machine tools
Screw cutting lathes
Railway carriage couplings
Spindles of bench vices

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Machine Design
In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Tempering
Normalizing
Spheroidizing
Annealing

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