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Machine Design

Machine Design
The shear modulus of resilience is proportional to

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

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Machine Design
The ratio of the ultimate stress to the design stress is known as

Factor of safety
Bulk modulus
Strain
Elastic limit

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force)

1 Pc
Pc/3
3 Pc
2 Pc

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Machine Design
The product of the diametral pitch and circular pitch is equal to

1
π × number of teeth
1/π
π

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Machine Design
When the fulcrum is in between the load and effort, the lever is said to be of

First type
Second type
Third type
Any one of these

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Machine Design
According to maximum normal stress theory, the maximum normal stress in the shaft is

√(σ² × 4τ²)
(1/2) × √(σ² × 4τ²)
(1/2) × [σ + √(σ² × 4τ²)]
σ + √(σ² × 4τ²)

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