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Ideal vapor-compression refrigeration cycle
An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar. Saturated vapor enters the compressor, and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3 kg/min. Determine:
-the coefficient of performance-the refrigerating capacity, in tons
Determine the average luminous exitance of the opaque interior surfaces of the room - what is the reflected component at this point?
A power outage occurred at a water distribution pump station. Before the power outage the station was pumping with one pump at 6,000 gpm in a 18" diameter Steel Pipe
what would be the formula to find out weld pressure adjustments when atm inside the tube is changed?
Design a bridge that will withstand 4 fully loaded semi-trailers
Solve the problem in the image. Do it step wise in detail. This question is from book "Fracture Mechanics - An Introduction - E. Gdoutos Springer (Page 74)"
All calculations and assumptions must be provided together with a full explanation of all the terms
Water enters a 2 meter diameter pipe at a temperature of 23 deg C. The water leaves the pipe at a temperature of 97 deg C The laminar flow rate is such that the Reynolds number is 800. What is the mass flow rate?
Effect of pressure on temperature and density of air for an adiabatic process, The pressure is to be raised from atmospheric to 7 psi (4.83 bar). The process is adiabatic, and the volume is constant and unknown.
Single degree of freedom vibration problems with forcing functions, Need help with this Undergraduate problem where two dampers are in series.
What gas pressure will the experimenter measure inside the bulb, A glass bulb contains air at room temperature and at a pressure of 1 atmosphere. It is placed in a chamber filled with helium gas at 1 atmosphere and at room temperature
Read the titled books Drilling Fluid Engineering Manual. Textbook prepared by M-I Drilling Fluids Co.,1998; Halliburton Cementing Tables. Casing and cement data tables prepared by Halliburton Company.
Find the needed length of the heated section of the tube and find the temperature of the water when it exits the heated section of the tube.
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