A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state at arate of 0.42 gal/min. The inlet pressure and temperature are 14.7 lbf/in.2, and 180°F, respectively; at the exit the pressure is 90 lbf/in.²The pump requires 1/35 hp of power input. Water can be modeled as an incompressible substance with constant density of 60.58lb/ft3 and constant specific heat of 1 Btu/lb. °R.Neglecting kinetic and potential energy effects, determine the temperature change, in °R, as the water flows through the pump.AT =i 0.31°R

Answered: Image /qna-images/answer/1f212362-cd80-42f7-b979-3fd43a63c318.jpg

A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. The inlet pressure and temperature are 14.7 lbf/in.2, and 180°F, respectively; at the exit the pressure is 90 lbf/in.2 The pump requires 1/35 hp of power input. Water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 Btu/lb. °R. Neglecting kinetic and potential energy effects, determine the temperature change, in °R, as the water flows through the pump.

A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. The inlet pressure and temperature are 14.7 lbf/in.2, and 180°F, respectively; at the exit the pressure is 90 lbf/in.2 The pump requires 1/35 hp of power input. Water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 Btu/lb. °R. Neglecting kinetic and potential energy effects, determine the temperature change, in °R, as the water flows through the pump.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: Steam enters a turbine operating at steady state at 800°F and 450 lbf/in2 and leaves as a saturated…

Q: Refrigerant 134a at p₁ = 30 lb/in², T₁ = 40°F enters a compressor operating at steady state with a…

Q: Krypton in a closed system is compressed adiabatically from 94 K and 1 bar to a final pressure of 24…

A: Given: initial temperature→T1=94 K Initial pressure→P1=1 bar Final pressure→P2=24 bar Krypton is…

Q: An oil pump operating at steady state delivers oil at a rate of 12 lb/s through a 1-in.-diameter…

A: Givenm= 12 lb/s=5.443 kg/sd=1 in =0.0254mρ=55 lb/ft3=881 kg/m3∆P=40 lbf/in2=275.79kPa

Q: Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400…

A: Given that: The working fluid is R134a. At the inlet of the diffuser, T1 = 80oF V1 = velocity of…

Q: Steam enters a mixing chamber at 100 kPa, V1= 40 m/s, and a specific volume of 0.4 m3/kg. Liquid…

Q: An open system with only one inlet and one exit operates at steady state. Mass enters the system at…

Q: Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400…

A: To determine:- a) Mass flow rate b) Exit temperature Given data, The refrigerant is R-134a The Inlet…

Q: Steam enters a turbine operating at steady state at 800°F and 450 lbf/in? and leaves as a saturated…

Q: An oil pump operating at steady state delivers oil at a rate of 6 kg/s through a 2.5-cm- diameter…

A: The density of oil is .The mass flow rate is .The rise of pressure from inlet to outlet is .The…

Q: An oil pump operating at steady state delivers oil at a rate of 10 lb/s through a 1-in-diameter exit…

Q: During cardiac surgery, a heart-lung machine achieves extracorporeal circulation of the patient's…

Q: Argon gas flows through a well-insulated nozzle at steady state. The temperature and velocity at the…

Q: Steam enters a turbine operating at steady state at 750°F and 450 lbf/in² and leaves as a saturated…

Q: A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump…

A: Given Dataρ=60.58lb/ft3P2=90lbf/in2P1=14.7 lbf/in2C=1 btu/lb°R

Q: Steam enters a turbine operating at steady state at 700°F and 450 lbf/in² and leaves as a saturated…

Q: A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump…

A: The solution to the above problem is given below

Q: Refrigerant 134a enters a well-insulated nozzle at 200 lbf/in.², 140°F, with a velocity of 120 ft/s…

A: GivenR134a refrigerentP1=200 lbf/in2T1=140oFV1=120 ft/sP2=10 lbf/in2V2=1500 ft/s

Q: Carbon dioxide gas is compressed at steady state from a pressure of 16 lb;/in? and a temperature of…

Q: An oil pump operating at steady state delivers oil at a rate of 10 lb/s through a 1-in.-diameter…

Q: Argon gas flows through a well-insulated nozzle at steady state. The temperature and velocity at the…

A: Given:- Argon gas flowing through a well insulated nozzle at steady stateTemperature at inlet (T1) =…

Q: In an air conditioning system running at steady-state, m ̇ = 0.7 kg/s of refrigerant 3 134a in…

Question

A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state at a
rate of 0.42 gal/min. The inlet pressure and temperature are 14.7 lbf/in.2, and 180°F, respectively; at the exit the pressure is 90 lbf/in.²
The pump requires 1/35 hp of power input. Water can be modeled as an incompressible substance with constant density of 60.58
lb/ft3 and constant specific heat of 1 Btu/lb. °R.
Neglecting kinetic and potential energy effects, determine the temperature change, in °R, as the water flows through the pump.
AT =
i 0.31
°R

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Show solution please help
Refrigerant 134a enters a well-insulated nozzle at 200 lbf/in.2, 170°F, with a velocity of 120 ft/s and exits at 50 lbf/in.² with a velocity of 1500 ft/s. For steady-state operation, and neglecting potential energy effects, determine the temperature, in °F, and the quality of the refrigerant at the exit. T₂= x2 = i i °F %
Refrigerant 134a enters a well-insulated nozzle at 200 lbf/in.2, 140°F, with a velocity of 120 ft/s and exits at 10 lbf/in.² with a velocity of 1500 ft/s. For steady-state operation, and neglecting potential energy effects, determine the temperature, in °F, and the quality of the refrigerant at the exit. T₂ = i 29.615 x2 = 78.516 % °F
Refrigerant 134a at p1 = 30 lb/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 400 lb/h and exits as saturated vapor at p2 = 160 lb;/in?. Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 4 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.
If steam flows through a nozzle at steady-state, entering the nozzle with a pressure of 0.5 MPa and a temperature of 673 K, where H = 3272 kJ/kg, and exiting at 0.1 MPa and 623 K, where H = 3176 kJ/kg, what is its exiting velocity (in m/s)? Assume that the heat loss is 10% of the change in kinetic energy.
Argon gas flows through a well-insulated nozzle at steady state. The temperature and velocity at the inlet are 550°R and 150 ft/s, respectively. At the exit, the temperature is 460°R and the pressure is 40 Ibf/in?. The area of the exit is 0.0085 ft?. Use the ideal gas model with k = 1.67, and neglect potential energy effects. Determine the velocity at the exit, in ft/s, and the mass flow rate, in Ib/s.
Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400 ft/s. The inlet area is 1.4 in². At the exit, the pressure is 400 lb/in² and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be eglected. Determine the mass flow rate, in lb/s, and the exit temperature, in °F. Step 1 Your answer is correct. Determine the mass flow rate, in lb/s. m = 28.887 Hint Step 2 lb/s. Determine the exit temperature, in °F. T₂ = i OF Attempts: 1 of 4 used
A steam turbine operates with an inlet condition of 30 bar, 400 °C, 160 m/s and an outlet state of a saturated vapour at 0.7 bar with a velocity of 100 m/s. The mass flow rate is 1200 kg/min and the power output is 10800 kW. Present the process on the T-v diagram. Determine the magnitude and direction of the heat-transfer rate in kJ/min if the potential energy change in negligible.