Engineering, 11.10.2019 04:30, audrey435

An ideal gas goes through an expansion process. which process creates more work, a polytropic process with n=1.25 or an isothermal process (hint: for an ideal gas, pv=nrt, and in a closed system both n and t are fixed, so n=? )

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 03.07.2019 14:10, makaylashrout77

Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.

Answers: 2

continue

Engineering, 04.07.2019 18:10, jadeochoa4466

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Answers: 2

continue

Engineering, 04.07.2019 18:10, keigleyhannah30

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

continue

Engineering, 04.07.2019 18:10, lillygrl100

For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °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

continue

Do you know the correct answer?

An ideal gas goes through an expansion process. which process creates more work, a polytropic proces...