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Machine Design

Machine Design
Rankine's theory of failure is applicable for following type of materials

Plastic
Elastic
Ductile
Brittle

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.2 d
2 d
1.6 d
2.5 d

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

Cold heading
Hot piercing
Extrusion
Cold peening

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Machine Design
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

Zero film bearing
Hydrostatic lubricated bearing
Boundary lubricated bearing
Hydrodynamic lubricated bearing

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Machine Design
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

Sawn nut
Jam nut
Ring nut
Castle nut

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Machine Design
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

Moderate
None of these
Heavier
Lighter

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