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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
0.01 micron
1 micron
10 microns

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Machine Design
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by

ZN/p
p/ZN
N/Zp
Z/pN

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

Third type
Second type
Any one of these
First type

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

sinθ cosθ
1/cosθ
1/tanθ
1/sinθ

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Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than
Less than
None of these
Equal to

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Machine Design
A screw is specified by its

Major diameter
Pitch diameter
Pitch
Minor diameter

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