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Machine Design

Machine Design
Rankine's theory is used for

Brittle materials
Elastic materials
Ductile materials
Plastic materials

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

n.d.t.σc
(p - d) t.σc
p.t.σc
p.d.σc

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Machine Design
If two springs are in parallel then their overall stiffness will be

Double
Half
Same
None of these

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Machine Design
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

1680 d
2080 d
1420 d
2840 d

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Machine Design
A single strap butt joint is always in __________ shear.

Double
None of these
Single
Triple share

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Machine Design
The size of a gear is usually specified by

Pitch circle diameter
Circular pitch
Pressure angle
Diametral pitch

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