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

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

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Machine Design
Pitch point of a cam is

Any point on the pitch circle
Any point on the pitch curve
A point on the pitch curve having minimum pressure angle
A point on the pitch curve having maximum pressure angle

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Machine Design
Tapered roller bearings can take

Axial load only
Radial load only
Both radial and axial loads and the ratio of these being less than unity
Both radial and axial loads and the ratio of these being greater than unity

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