Engineering, 11.07.2019 01:10, billy1123

Apiston-cylinder device contains 0.1 kg of hydrogen gas (pg model: cv=10.18, k = 1.4, r= 4.12 kj/kg-k) at 1000 kpa and 300 k. the gas undergoes an expansion process and the final conditions are 500 kpa, 270 k. if 10 kj of heat is transferred into the gas from the surroundings at 300 k, determine (a) the boundary work (wb), and (b) the entropy generated (sgen) during the process

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, skpdancer1605

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

Answers: 3

continue

Engineering, 04.07.2019 18:20, kodyclancy

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

Answers: 2

continue

Engineering, 04.07.2019 18:20, dlr1628

Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?

Answers: 2

continue

Engineering, 04.07.2019 19:10, Destinationz

Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?

Answers: 3

continue

Do you know the correct answer?

Apiston-cylinder device contains 0.1 kg of hydrogen gas (pg model: cv=10.18, k = 1.4, r= 4.12 kj/kg...