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Machine Design

Machine Design
In a full journal bearing, the angle of contact of the bearing with the journal is

180°
360°
120°
270°

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Machine Design
The size of a gear is usually specified by

Pressure angle
Diametral pitch
Circular pitch
Pitch circle diameter

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Machine Design
A hot short metal is

Brittle under all conditions
Ductile at high temperature
Brittle when cold
Brittle when hot

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Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

6
4
10
8

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Machine Design
The longitudinal joint in boilers is used to get the required

Length and diameter of boiler
Diameter of boiler
Efficiency of boiler
Length of boiler

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Machine Design
In radial bearings, the load acts __________ to the axis of rotation.

Perpendicular
Both A and B
None of these
Parallel

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