Questions
Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. It losses 10% of energy due to frictional forces . How much power is generated by the turbine?
(g = 10 )
detailed solution
Correct option is A
Power generated by the turbine is,Pgenerated = Pinput × 90100= Mght×90100Putting the given values Mt = 15 kg/s, g = 10 m/s2, h = 60 mPgenerated = (15×10×60)×90100 = 8.1 kWTalk to our academic expert!
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If a machine perform 4000 J output work and 1000 J is inside loss due to friction, then find the efficiency.
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