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Machine Design

Machine Design
When a close coiled helical spring is compressed, its wire is subjected to

All of these
Tension
Shear
Compression

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Machine Design
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

None of these
Parallel
Square
Rectangular

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Machine Design
Which of the following pipe joints would be suitable for pipes carrying steam?

Flanged
Threaded
Bell and spigot
Expansion

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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
Fullering and caulking
Ease of manufacture
Safety

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is

Bending stress
Compressive stress
Tensile stress
Shear stress

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Machine Design
The belt slip occurs due to

Loose belt
Heavy load
Driving pulley too small
Any one of the above

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