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
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
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
A vapor compression refrigeration cycle operating with R-134a has a temperature of 15 deg. F exiting...
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