Compute the maximum coefficient of heat pump
An air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa. Calculate the maximum Coefficient of this heat pump.
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Water is transferred at a rate of 2.1 cfs from an upper reservoir to a lower reservoir by a concrete pipe 3000 ft long. the difference in water level is 60 ft. determine the size of pipe for a water temperature of 60 degrees F.
During the process the temperature of the water changes from 10 degree C to 15 degree C. Compute the change in specific internal energy, specific enthalpy, and specific entropy.
To the nearest 0.1, what is the safety factor if the bracket is extended so that the load is now 18 inches from the wall and the load is changed to 72 pounds?
How would you classify sodium benzoate, ionic or molecular or both? Why do ionic compound tend to have higher melting points than molecular compounds?
The sphere is released at the top of the sphere (θ = 0) with a speed vo = 0.5 m/s. Neglecting friction, compute the angle at which the sphere separates from the cylinder if the radius is 1.35.
Determine the power input, in kW, and the isentropic compressor efficiency. In addition, show the principal states and processes on a T-S diagram.
If the diameter of the duct is 16 in, determine the velocity of the air at the duct inlet and the mass flow rate of air.
Steam enters an adiabatic turbine steadily at 3 MPa and 400 deg C and leaves at 70 kPa and 100 deg C. if the power output of the turbine is 2 MW (mega watt), determine the isentropic efficiency of the turbine?
Knowing that the coefficient of static friction is 0.40 between the wedge and the rod and 0.20 between the wedge and the floor, determine the smallest force P required to raise end B of the rod.
Determine the volume of gas in the tank. Also plot pressure versus v and T for the isotherms T = 250, 500 and 1000 K.
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