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A shaft turns at 150 rpm under a torque of 1500 Nm. Power transmitted is
  • a)
    15 π kW
  • b)
    10 π kW
  • c)
    7.5 π kW
  • d)
    5 π kW
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A shaft turns at 150 rpm under a torque of 1500 Nm. Power transmitted ...
Given:
Speed of shaft (N) = 150 rpm
Torque (T) = 1500 Nm

To find:
Power transmitted (P)

Formula used:
Power (P) = (2πNT)/60

Where,
N = Speed of shaft (in rpm)
T = Torque (in Nm)

Calculation:
Substituting the given values in the formula, we get
P = (2πNT)/60
P = (2π × 150 × 1500)/60
P = 47123.89 W or 47.12 kW (approx)

Therefore, the correct answer is option C, i.e., 7.5 kW.
Free Test
Community Answer
A shaft turns at 150 rpm under a torque of 1500 Nm. Power transmitted ...
P= (2×π×150×1500)/60×100


=7.5π
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