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Machine Design

Machine Design
Applications in which stresses are encountered in one direction only uses following type of threads

Square
Acme
Metric
Buttress

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Machine Design
In a steam engine, the valve rod is connected to an eccentric rod by means of

Cotter joint
Knuckle joint
Universal joint
Flange coupling

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

3 to 5
1 to 2
5 to 10
0.5 to 1

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Machine Design
The bearing characteristic number in a hydrodynamic bearing depends upon

Length, width and load
Viscosity, speed and bearing pressure
Viscosity, speed and load
Length, width and speed

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Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Cold working
Grinding and lapping surface
Hot working
Shot peening

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Machine Design
The period during which the cam follower remains at rest, when cam moves, is known as

Fixed period
Dwell period
Constant period
Idle period

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