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Machine Design

Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

2 d
3 d
4 d
5 d

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Machine Design
The spring mostly used in gramophones is

Volute spring
Helical spring
Flat spiral spring
Conical spring

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Machine Design
The V-belts are particularly suitable for __________ drives.

None of these
Both A and B
Short
Long

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Machine Design
The strap end of a connecting rod of steam engine is joined by

Sleeve and cotter joint
Spigot socket cotter joint
Gib of cotter joint
Knuckle joint

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Machine Design
The size of a cam depends upon

Base circle
Prime circle
Pitch curve
Pitch circle

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Machine Design
Wahl's stress factor __________ very rapidly as the spring index decreases.

Increases
None of these
Remain same
Decreases

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