For a furnace to provide 50,000 Btu/hr of thermal energy to a living space, what should the rate of heat supplied by the fuel if the furnace efficiency is 75%?
a. 25,000 b. 37,000 c. 50,000 d. 67,000 e. 125,000 Btu/hr
d
Physics & Space Science
You might also like to view...
According to present theories, there is a neutrino for all the following particles except:
a. the electron. c. the muon. b. the tau lepton. d. the positive Kaon.
Physics & Space Science
Which of the following are the units of a henry and a farad respectively?
a. J × s2/C2 and C2/J b. V × s/A and V/C c. V/(A × s) and C/V d. N × m/A2 and 1/J e. None of the above
Physics & Space Science
There are three types of collapsed, burned-out stars: white dwarfs, neutron stars, and
A) black holes. B) quasars. C) supernova. D) red giants. E) X-ray stars.
Physics & Space Science
The average power delivered by an AC generator in an RLC circuit is ________ the product IV where I & V are respectively the current and voltage amplitudes
A) equal to B) more than C) less than
Physics & Space Science