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Machine Design

Machine Design
The shear modulus of resilience is proportional to

(Shear stress)²
Shear stress
(Shear stress)⁴
(Shear stress)3

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Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

Circumferential stress
Longitudinal stress
None of these
Shear stress

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Machine Design
A single strap butt joint is always in __________ shear.

None of these
Double
Single
Triple share

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Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

None of these
Greater than unity
Equal to 1
Less than unity

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

1 - 2 b.L
b/2L
b/L
1 - (b/L)

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Machine Design
Which process will increase the fatigue duration of parts?

Finishing and polishing
Electroplating
De-carburisation
Shot-peening

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