The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)

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Question: The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)
[A].

[B].

[C].

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.