Engineering, 13.09.2019 23:10 EMscary4996
Nitrogen gas is compressed in a polytropic process (n=-1.8). the initial temperature and pressure are 285 k and 150 kpa, respectively. the initial volume is 1 m3. the process completes at a final pressure of 600 kpa. • determine the mass of nitrogen in the closed system determine the final volume. determine the boundary work
Answers: 3
Another question on Engineering
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
Answers: 2
Engineering, 04.07.2019 18:10
Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery
Answers: 2
You know the right answer?
Nitrogen gas is compressed in a polytropic process (n=-1.8). the initial temperature and pressure ar...
Questions
World Languages, 05.02.2021 22:00
Chemistry, 05.02.2021 22:00
History, 05.02.2021 22:00
Advanced Placement (AP), 05.02.2021 22:00
Social Studies, 05.02.2021 22:00
Computers and Technology, 05.02.2021 22:00
Computers and Technology, 05.02.2021 22:00
Biology, 05.02.2021 22:00
