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Machine Design

Machine Design
The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is

2
1
4
43832

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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
Shear stress
Tensile stress

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Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

2P/s.l
P/2.s.l
P/√2.s.l
√2P/s.l

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Machine Design
According to Indian standards, total numbers of tolerance grades are

20
18
12
8

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Machine Design
Guest's theory of failure is applicable for following type of materials

Plastic
Ductile
Elastic
Brittle

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Machine Design
Which of the following screw thread is adopted for power transmission in either direction?

Square threads
Acme threads
Buttress threads
Multiple threads

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