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Machine Design

Machine Design
If two springs are in parallel then their overall stiffness will be

Double
Half
Same
None of these

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Machine Design
The following type of nut is used with alien bolt

Castle nut
Any one of the above
Hexagonal nut
Slotted nut

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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

Compressive stress
Bending stress
Tensile stress
Shear stress

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Machine Design
According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the

Maximum compressive strength is 200 N/mm²
Maximum shear strength is 200 N/mm²
Minimum tensile strength is 200 N/mm²
Carbon content is 2%

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Machine Design
According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

1 mm for rivet diameter from 27 mm to 36 mm
0.5 mm up to rivet diameter of 24 mm
All of these
2 mm for rivet diameter from 39 mm to 48 mm

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Machine Design
The pitch of threads on a Jock nut in comparison to pitch of nut is

Same
Coarser
Very fine
Finer

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