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Machine Design

Machine Design
The shear modulus of resilience is proportional to

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

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Machine Design
The property of a material which enables it to resist fracture due to high impact loads is known as

Elasticity
Toughness
Strength
Endurance

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Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Module
Axial pitch
Diametral pitch
Normal pitch

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Machine Design
The value of stress concentration factor depends upon

Geometry of the part
None of these
Material of the part
Material and geometry of the part

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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
√2P/s.l
P/√2.s.l
P/2.s.l

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Machine Design
The permissible stress for carbon steel under static loading is generally taken as

4000-4500 kg/cm²
7500-10,000 kg/cm²
2000-3000 kg/m²
3000-4000 kg/cm²

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