Answers: 3
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 19:00
The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
Answers: 1
Physics, 23.06.2019 01:00
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge
Answers: 2
Physics, 23.06.2019 02:00
Dc versus ac problem. suppose your dc power supply is set to 15 v and the vertical setting on the oscilloscope is at 5 v/div. how many divisions will the trace deflect if you connect the output of the power supply to the scope with the a input switch set on dc? how many divisions if the switch is on ac?
Answers: 3
Find the range of a projectile launched at an angle of 30⁰with an initial velocity of 20m/s...
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
Social Studies, 22.01.2021 20:50
Mathematics, 22.01.2021 20:50
History, 22.01.2021 20:50