The figure below shows a mixing tank initially containing minitial = 1750 lb of liquid water. The tank is fitted with two inlet pipes, onedelivering hot water at a mass flow rate of 0.8 Ib/s and the other delivering cold water at a mass flow rate of 1.2 Ib/s. Water exitsthrough a single exit pipe at a mass flow rate of 2.5 lb/s.HotColdwaterwaterm = 0.8 lb/sm2 = 1.2 lb/sminitial3m3 = 2.5 lb/sDetermine the amount of water, in Ib, in the tank after 0.5 hours.mfinal =iIb

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Answered: The figure below shows a mixing tank…

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.8P

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Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop systems.
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Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in which the pressure is reduced and electricity is produced. The shaft power input to the pump is 1 KW snd the shaft power output the turbine is 1 kW. Both the pump and turbine are 90% efficient. If the elevation and velocity of the water remain constant through out the flow and irreversible headloss is 1 m, the pressure of water in kPa at the turbine exit is include your free body diagram A.129 B.131 C.126 D.127
Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in which the pressure is reduced and electricity is produced. The shaft power input to the pump is 1 KW snd the shaft power output the turbine is 1 kW. Both the pump and turbine are 90% efficient. If the elevation and velocity of the water remain constant through out the flow and irreversible headloss is 1 m, the pressure of water in kPa at the turbine exit is? Include FBD. Choices: A.126 B.127 C.129 D.131
Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in which the pressure is reduced and electricity is produced. The shaft power input to the pump is 1 KW snd the shaft power output the turbine is 1 kW. Both the pump and turbine are 90% efficient. If the elevation and velocity of the water remain constant through out the flow and irreversible headloss is 1 m, the pressure of water in kPa at the turbine exit is: Show FBD A. 129 B. 126 C. 131 D. 127
Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in which the pressure is reduced and electricity is produced. The shaft power input to the pump is 1 KW snd the shaft power output the turbine is 1 kW. Both the pump and turbine are 90% efficient. If the elevation and velocity of the water remain constant through out the flow and irreversible headloss is 1 m, the pressure of water in kPa at the turbine exit is A.126 B.129 C.131 D.127
Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in which the pressure is reduced and electricity is produced. The shaft power input to the pump is 1 KW snd the shaft power output the turbine is 1 kW. Both the pump and turbine are 90% efficient. If the elevation and velocity of the water remain constant through out the flow and irreversible headloss is 1 m, the pressure of water in kPa at the turbine exit is A. 131 B. 129 C. 126 D. 127 With F.B.D
The maximum flow rate of standard shower heads is about 3.5 gpm (13.3 L/min) and can be reduced to 2.75 gpm (10.5 L/min) by switching to low-flow shower heads that are equipped with flow controllers. Consider a family of four, with each person taking a 5-min shower every morning. City water at 15°C is heated to 55°C in an electric water heater and tempered to 42°C by cold water at the T-elbow of the shower before being routed to the shower heads. Assuming a constant specific heat of 4.18 kJ/kg·°C for water, determine the amount of electricity that will be saved per year, in kWh, by replacing the standard shower heads with the low-flow ones.
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