Physics, 07.11.2019 20:31 whitakers87
Two kilograms of air within a piston-cylinder assembly execute a carnot power cycle with maximum and minimum temperatures of 750 k and 300 k respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion, the pressure is 600 kpa and the volume is 0.4 m3.
assuming the ideal gas model for the air determine:
(a) the thermal efficiency.
(b) the pressure and the volume at the beginning of the isothermal expansion, in kpa and m3 respectively.
(c) the work and heat transfer for each of the four processes in kj.
(d) sketch the cycle on a p-v coordinates.
Answers: 3
Physics, 21.06.2019 18:00
Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs
Answers: 1
Physics, 21.06.2019 20:10
Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic
Answers: 1
Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
Two kilograms of air within a piston-cylinder assembly execute a carnot power cycle with maximum and...
Biology, 09.12.2021 14:40
Mathematics, 09.12.2021 14:40
Computers and Technology, 09.12.2021 14:40
Mathematics, 09.12.2021 14:40
Chemistry, 09.12.2021 14:40