Engineering, 06.04.2021 02:50 kaidee
A vapor compression refrigeration cycle operating with R-134a has a temperature of 15 deg. F exiting the expansion valve, a pressure of 100 psia in the condenser, and a temperature of 145 deg. F leaving the compressor. Assuming the system is charged and operating correctly, what is the estimated net refrigeration effect (GENRE) of this unit, in Btu/lbm
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
Engineering, 04.07.2019 18:20
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Engineering, 04.07.2019 19:10
10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
You know the right answer?
A vapor compression refrigeration cycle operating with R-134a has a temperature of 15 deg. F exiting...
Questions
Mathematics, 19.10.2021 14:00
Physics, 19.10.2021 14:00
Business, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Chemistry, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Biology, 19.10.2021 14:00
Chemistry, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Arts, 19.10.2021 14:00
Social Studies, 19.10.2021 14:00
