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Machine Design

Machine Design
The shear modulus of resilience is proportional to

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

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Machine Design
The belt slip occurs due to

Heavy load
Loose belt
Any one of the above
Driving pulley too small

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Machine Design
The static tooth load should be __________ the dynamic load.

Less than
Greater than
Equal to
None of these

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Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(3m /Pmax)
√(Pmax / m)
√(Pmax / 3m)
√(Pmax / 2m)

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Machine Design
Brittle coating technique is used for

Determining brittleness
Protecting metal against corrosion
Protecting metal against wear and tear
Experimental stress analysis

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Machine Design
In leaf springs, the longest leaf is known as

Master leaf
Upper leaf
Lower leaf
None of these

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