Questions
An electric pump is used to fill an overhead tank of capacity 9 m3 kept at a height 10 m above ground. If the pump takes 5 minutes to fill the tank by consuming 10 kW power, efficiency of the pump should be :
detailed solution
Correct option is D
η=p0p1=mgh/Δt10kw=9000×10×105×60×1104=0.3⇒30%Talk to our academic expert!
Similar 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 )
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
