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Machine Design

Machine Design
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

0.1 micron
10 microns
0.01 micron
1 micron

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Machine Design
Crushing resistance required to crush the rivet per pitch length is

p.t.σc
(p - d) t.σc
n.d.t.σc
p.d.σc

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Machine Design
The contact ratio for gears is

Less than one
Zero
Greater than one
None of these

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Machine Design
The material used for brake lining should have __________ coefficient of friction.

High
Moderate
None of these
Low

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Machine Design
The function of the washer is to

Provide cushioning effect
Provide bearing area
Fill up the axial gap
Absorb shocks and vibrations

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Machine Design
The efficiency of a riveted joint is equal to

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

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