A centrifugal pump discharging 900 gpm and operates at 1800 rpm against a head of 120 feet has a power output of 30 hp. If the pump is to operate at 1200 rpm assuming efficiency remains constant. Determine the new discharge in gpm, the head and power.

Q: Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to the…

A: Guven data :-  Helium gas  T1 = 660 k  T2 = 369 k  Q = 84 KJ/Kg Pressure = 6.0  Find :-  Actual…

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Q: A 250 kg part falls from an airplane and hits the ground at 150km/h a) find the kinetic energy

A: Mass of part, m=250 kgSpeed of part, V=150 km/h

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Q: Q4- Water in piston cylinder system at (T1 and X1). The water is heated isothermally until the…

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Q: e photo below is the refrigeration cycle of Ammonia, Im just confused on where h2 and Tsup=105 C…

A: To Show the concept how cardinal points are calculated in ammonia refrigeration cycle.

Q: Ethane Propane 1 m 500 kPa 25 °C 1 m 500 kPa 80 °C 4. For a frictionless, moving piston-cylinder…

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Q: Please help me with number 10. If mass needs 600,000 ft-lb/lb of work at atmospheric pressure to…

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Q: 5 kg of steam occupies a volume of 10 m^3. Find the quality if the temperature is measured at 75 C.

A: Given Data, m= Mass of steam = 5 Kg V= Volume of steam = 10 m3  T= Temperature of steam To determine…

Q: Explain The Following Terms: Isolated System, Open System And Closed System And Give Example Where…

A: To Explain the following terms  1.Isolated System 2.Open System 3.Closed System And Give Example…

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Q: *The answer above for Q-cold (78567.6 J) is incorrect**   Also part c of the table is not…

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Q: Find the potential energy stored in object Mass=8 kg Height to be raised=10 m

A: Given : Mass, m = 8 kg Height to be raised, h = 10 m To find : Potential energy stored in object

Q: In thermodynamic not a state variable Density None of these Heat Enthalpy O Internal energy - is

A: In thermodynamic,........is not a state variable

Q: Derive the relation between system approach and control volume approach.

A: Control volume approach is accurate for any flow distribution but is often based on 1 dimensional…

Q: Given: Ammonia, P = 1.05 bar, T = -39.7°C Find: u (kJ/kg) Your Answer:

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Q: Initial condition: P = 2 MPa x = 80 % Process: Isobaric Final condition: saturated Required

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Q: 110 joule of heat is added to a gaseous system, whose internal energy is 40 J. Then the amount of…

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Q: thermodynamics The heat loss of a human body during sitting still is 400 kJ / h. If the ventilation…

A: Internal energy :  Internal energy is defined as the energy associated with the random, disordered…

Q: Example of 2nd law thermodynamics but not ice cube or coffee or candle. Another example that you…

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Q: In class, Dr. Tree cited heat transfer from a hot body to cold body as an example of process goes in…

A: The two head addition process are cited below. 1. Melting of ice into water in this process heat is…

Q: A 5kW heater is in the lab, but the lab losses heat to its outside surroundings. The heat transfer…

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Q: mple 4.1 A stationary mass of gas is compressed without friction from an ini- tial state of 0.3 m…

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A: Given Data  Angular speed, Ω rad/s Length, L Radius of circe, p

Q: The pressure of the air in a starting vessel is 40 bar and the temperature is 24 °C. If a fire in…

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Q: What is consider as Properties of system?

A: Properties of System: Properties of a system define the charcteristic of the system. These…

Q: A conditioned room contains 12,000 W of fluorescent lights (with older coil ballasts) and twelve 90%…

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Q: . Find the COP of the system with low temperature of 200 R and high temperature of 300R.

A: T1 = 200R = 111.111 K  ( T1= Low temperature ) T2 = 300R = 166.667 K   ( T2= High temperature ) Find…

Q: For the figure as shown below, find h in cm that will result to a pressure difference (PA PB) of 10…

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Q: Air bubble from the bottom of the water well where temperature is 25°C rises slowly to the water…

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Q: Find the work done on object if force applied of object is 12 N and their is no displacement

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Q: (d) A hydraulic actuator uses pistons of rectangular cross sectional area. The forcing piston…

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Q: Please give handwritten solution for the one more thermodynamics question. No Chatgpt. Subject:…

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Q: Find the weight of a 50 kg person in N, kg,,lb, and poundal at standard conditions if 1 ka. = 2.20…

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