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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

10
8
6
4

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Machine Design
The shear modulus of resilience is proportional to

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

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Machine Design
A shaft is subjected to

Shear stresses
Bending stresses
All of these
Combined bending and shear stresses

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct bending stress
Direct compressive stress
Direct tensile stress
Direct shear stress

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Machine Design
The maximum shear stress theory is used for

Ductile materials
Nonferrous materials
Brittle materials
Plastic materials

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with double cover plate
Lap joint with one ring overlapping the other
Butt joint with single cover plate
Any one of the above

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