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Machine Design

Machine Design
If a spring is cut down into two springs, the stiffness of cut springs will be

None of these
Double
Half
Same

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Machine Design
When the fulcrum is in between the load and effort, the lever is said to be of

Third type
First type
Second type
Any one of these

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Machine Design
Crushing resistance required to crush the rivet per pitch length is

p.t.σc
(p - d) t.σc
n.d.t.σc
p.d.σc

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Machine Design
When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be

6F/ πd²
16F/ 3πd²
4F/ πd²
8F/ πd²

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Machine Design
The material commonly used for crane hooks is

Aluminium
Mild steel
Wrought iron
Cast iron

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as nominal pitch length
4430 mm as diameter of large pulley
4430 mm as diameter of small pulley
4430 mm as centre distance between pulleys

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