+1 vote
in Machine Dynamics by (34.3k points)
Flywheel diameter 1.2 m; diameter of the rope 12.5 mm; engine speed 200 r.p.m.; dead load on the brake 600 N; spring balance reading 150 N. Using this data, calculate the brake power of the engine in kW.

(a) 5.715

(b) 5.525

(c) 6.125

(d) 5.625

I got this question by my school principal while I was bunking the class.

Query is from Dynamometer in division Brakes and Dynamometers of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right answer is (a) 5.715

To explain I would say: The brake power of an engine is given by the relation:

B.P = [(W-S)π (D+d)N]/60

      = 5715 W.

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