An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant essure of 150 kPa. An electric resistance heater inside the cylinder is now turned on, and 1700 of energy is transferred to the steam. Determine the entropy change of the water during this Focess.

Q: pressure in the smaller pipe are provided. Determine the pressure after the expansion including the…

A: For pipe 1 Diameter D1 = 8cm = 0.08 m Velocity V1 = 10 m/s Pressure P1 = 410 kPa For pipe 2 Diameter…

Q: Which of the following whose values are  not depend on the transition of a system from the initial…

A: State functions are those functions whose values are not dependent on the transition path of the…

Q: Water flows through a horizontal coil heated from outside. During its passage, it changes state from…

A: Inlet enthalpy (Hinlet) = 334.9 kJ/kgOutlet enthalpy (Houtlet) = 2726 kJ/kgInlet velocity (Vin) = 3…

Q: Air enters a diffuser at 102 KPa , 57 Celcius , and 285 m/s and exits at 303 KPa , 10 Celcius , and…

A: Let the inlet conditions be represented as ‘1’ and outlet conditions by ‘2’.   Given specifications…

Q: Air flows with a velocity of 6 m/s across a 20 cm? plate at 50 kPa and 300 K. An electrical heater…

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Q: Define C.O.P. of the simple vapor compression refrigeration cycle R-134a. The evaporation…

A: In the process of refrigeration, there is the absorption of heat at a lower temperature which is…

Q: 1. During the isothermal heat rejection process of a Carnot cycle, the working fluid experiences an…

A: Given: In Isothermal heat rejection Carnot cycle, entropy change of working fluid is -0.7 Btu/R,…

Q: 7-2, Losses by Natural Convection from a Cylinder. A vertical cylinder 76.2 mm in diameter and 121.9…

A: The radiation heat loss is neglected. The mean of the given two temperatures will be the film…

Q: It is proposed to condense 15 pounds per sec of saturated Freon-12 vapor in refrigeration system by…

A: Given:- Mass flow rate m=15 lb/sOutter dia meter Do= 1 inch =0.0833 ftInlet Temperature = 70∘FOutlet…

Q: A horizontal steam pipe 20 m long, 50 mm internal diameter, 60 mm outside diameter loses 13.5 KW…

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Q: In the heating mode a heat pump has a COP = 4.45. a) Determine the COP if the heat pump were…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: :):Uninsulated steam pipe passes through a room in which the air and walls are at 25 °C. The outside…

A: Given that- Surrounding temperature, Tsur=250C Outside diameter of pipe, d=70mm=0.07 m Surface…

Q: A double pipe heat exchanger consists of a 2" Sch 40 steel pipe inside a 3inch Sch 40 steel pipe, 10…

A: It is given that double pipe heat exchanger is used to condense steam in the annulus bu help of…

Q: In regions where the temperature does not change much throughout the year, the surface water…

A: A power plant is to be designed, and the best suitable energy engine is required that could be used…

Q: A thin electrical heater dissipating 4000 W/m² is sand- wiched between two 25-mm-thick plates whose…

A:

Q: Define C.O.P. of the simple vapor compression refrigeration cycle R-134a. The evaporation…

A: The equation for C.O.P of refrigerator is given by:- C.O.P=TCTH-TC---(1) Where, Tc (condenser…

Q: A piston-cylinder device initially contains gas at 200 kPa. The system showed an expansion due to…

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Q: Water at 2.5MPa and 200C is heated at constant temperature up to quality of 80%. Find (a) the of…

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Q: 5. Variable Heat Generation and Equation of Energy Change. A plane wall is insulated so that…

A: The plane wall is insulated and conduction occurs only in x direction The heat generation per unit…

Q: Which of the following is not an intensive

A: Intensive property is a thermodynamic property which does not depend on the amount of material in…

Q: (For Nos 4 to 6). Heat Loss from a Pipe. A bare stainless steel tube having an outside diameter of…

A: Given Data: Outside diameter; D=76.2 mmD=0.0762 m Emissivity; ε=0.55 Temperature; T1=366.4 KT2=294.2…

Q: of 15000 W/m2. Water flows through the tube at a rate of m = 1 kg/s, and its inlet nean temperatures…

A: GivenTube diameter D=70 mm=70×10-3mHeat flux q.=15000 W/m2mass flow rate m=1kg/s.Mean inlet…

Q: Define C.O.P. of the simple vapor compression refrigeration cycle R-717. The evaporation temperature…

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Q: 6. Hot water at 90°C heats air from a temperature of 0°C to 20°C in a parallel flow heat exchanger.…

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Q: An oil is being cooled in certain equipment. It was observed that a 7.94 bmin of hot oil enters a…

A: Given: The mass flow rate of oil and water entering the heat exchanger equipment is m* = 7.94 lb/min…

Q: Consider 2 kg of air has a decrease of internal energy of 25 kJ during a reversible non flow…

A:

Q: In constant-pressure process in a cylinder air expands at 400 kPa from 10 L to 30 L in volume. The…

A: The change in enthalpy for the given process is to be determined.

Q: 8. Which of the following statements is true? a. In an endothermic process heat is transferred from…

A: This question is based on endothermic and exothermic processes.

Q: Cooking gas from petroleum is stored with a. thermal energy O b. chemical energy c. mechanical…

A: Cooking gas from petroleum source is, Select correct answer.

Q: What is the log mean temperature difference in °C of a double pipe counterflow heat exchanger where…

A: The log mean temperature difference of counter current heat exchanger is given by:-…

Q: The double pipe 1 m length heat exchanger is essentially a set of concentric pipes. One fluid flows…

A: Let's find LMTD to know the average of the temperature difference between  the hot and cold ends of…

Q: A shaft of 0.06-m diameter is heat treated in a gas-fired furnace whose gases is at 1200 K and…

A: Given information: Shaft diameter, d = 0.06 m Gas temperature, T∞ = 1200 K Convection coefficient, h…