Answers: 2
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
Physics, 22.06.2019 17:20
Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums
Answers: 2
Physics, 23.06.2019 02:30
If jason ii needs 15 kw of power at 300 volts to operate, what amperage of current must flow through the cable?
Answers: 1
Physics, 23.06.2019 16:00
In the absence of friction, gravity, and all other external forces, what kind of speed will an object display if it travels from the bottom to the top of an inclined plane? a. constant speed b. increasing speed c. decreasing speed d. speed increases and then decreases e. speed decreases and then increases
Answers: 1
Which of the following describes a strong base? a. a strong base fully dissociates. b. a strong bas...
History, 30.12.2021 03:00
Health, 30.12.2021 03:00
Mathematics, 30.12.2021 03:00
Biology, 30.12.2021 03:00
Mathematics, 30.12.2021 03:00
Mathematics, 30.12.2021 03:00
History, 30.12.2021 03:00
Computers and Technology, 30.12.2021 03:00
Biology, 30.12.2021 03:00