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Machine Design

Machine Design
The spring mostly used in gramophones is

Flat spiral spring
Helical spring
Volute spring
Conical spring

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Machine Design
A connecting rod is designed as a

Short column
Long column
All of these
Strut

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Machine Design
The design of the pressure vessel is based on

Longitudinal and hoop stress
None of these
Longitudinal stress
Hoop stress

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Machine Design
Silver based solder is used for

Brazing
Fusion welding
Flaring
Soft soldering

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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
2.5 d
1.6 d

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Machine Design
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Decreasing the cross-section area of bar
Would depend upon other factors
Remain unaffected with cross-section area
Increasing the cross-section area of bar

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