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Machine Design

Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Back pitch
Margin
Diagonal pitch
Pitch

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

1 micron
0.1 micron
10 microns
0.01 micron

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Machine Design
The process extensively used for making bolts and nuts is

Cold peening
Extrusion
Hot piercing
Cold heading

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Machine Design
The dynamic tooth load is due to

Irregularities in tooth profiles
Inaccuracies of tooth spacing
Deflections of teeth under load
All of these

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Machine Design
The dedendum circle diameter is equal to (where φ = Pressure angle)

Pitch circle diameter × cosφ
Pitch circle diameter × sinφ
Clearance circle diameter × cosφ
Addendum circle diameter × cosφ

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Machine Design
In a flange coupling, the flanges are coupled together by means of

Bolts and nuts
Headless taper bolts
None of these
Studs

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