Physics, 20.02.2020 08:28, tiffanyrhoda

Can any ideal gas power cycle have a thermal efficiency greater than 55 percent when using thermal energy reservoirs at 627∘C at 17∘C? Explain. What is the maximum possible efficiency for such an engine?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:10, shazanah95

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

Answers: 1

continue

Physics, 22.06.2019 13:30, tiffg3140

Why do astronauts in the space shuttle weigh less?

Answers: 3

continue

Physics, 22.06.2019 18:50, jtsizemore

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?

Answers: 2

continue

Physics, 22.06.2019 19:50, naidaisha18

Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)

Answers: 1

continue

Do you know the correct answer?

Can any ideal gas power cycle have a thermal efficiency greater than 55 percent when using thermal e...