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Machine Design

Machine Design
A cotter joint is used to connect two __________ rods.

None of these
Perpendicular
Parallel
Co-axial

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Reducing stress concentration
Ease of manufacture
Fullering and caulking
Safety

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

3 d
5 d
2 d
4 d

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Machine Design
A shaft coupling should

Hold the shafts in perfect alignment
Be easy to connect or disconnect
All of these
Transmit full power of the shaft

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Machine Design
The width of the pulley should be __________ width of the belt.

Less than
None of these
Equal to
Greater than

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Machine Design
A column is known as a long column if the slenderness ratio is

70
40
100
50

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