Engineering, 15.11.2019 05:31 lucypackham9
Apiston-cylinder assembly contains 2 lb of air at a temperature of 540 degrees r and a pressure of 1 atm. the air is compressed to a state where the temperature is 840 degrees r and the pressure is 6 atm. during the compression there is a heat transfer from the air to the surroundings equal to 20 btu. determine the work during the process, in btu. state your assumptions, if any.
Answers: 1
in terms of Cv as follows:
Another question on Engineering
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 Β°f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 18:10
Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.
Answers: 3
Engineering, 04.07.2019 18:10
Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation
Answers: 1
You know the right answer?
Apiston-cylinder assembly contains 2 lb of air at a temperature of 540 degrees r and a pressure of 1...
Questions
English, 26.07.2019 00:00
English, 26.07.2019 00:00
Spanish, 26.07.2019 00:00
Chemistry, 26.07.2019 00:00
Mathematics, 26.07.2019 00:00
Mathematics, 26.07.2019 00:00
