define the term enthalpy. Explain the properties of throttling process and how it works for refrigeration cycle and controlling the speed of turbine

Q: Answer the following questions about the PV diagram shown in the picture.  Question 1: How much…

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Q: Define the typical efficiencies of conventional and high-efficiency electric and natural gas water…

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Q: Which does NOT describe the entropy of the universe after a process has occurred? a. Increases b.…

A: Increases option a

Q: For the following items, determine the following: a. The thermodynamic process the problem…

A: The changes at constant volume is called isobaric process .

Q: Determine the NPSH availalbe when a pump draws gasoline at 30°C (sg-0.65) from an underground tank…

A: To determine the NPSH (Net Positive Suction Head) available, we need to use the following formula:…

Q: 1. What does the area enclosed by the process represent on a P-v diagram? How about on a T-s…

A: The area enclosed by the P-v diagram describes the work done in the system.

Q: Describe the meaning of entropy?

A: In thermodynamics, entropy is a physical amount that is not directly measured but is calculated by…

Q: Explain how entropy is important to explain why thermodynamics process?

A: The unavailable conversion of the system's thermal energy into some useful work is represented with…

Q: State whether the change in entropy is greater than 0, less than 0, or zero.  The condensation of…

A: Given The condensation of water vapour into water droplets. Entropy is the measure of disorder or…

Q: What is principle of increase of entropy? The entropy of a boiled egg decreases as it cools. Is this…

A: What is principle of increasing entropy? To discuss whether there is a violation of the increase of…

Q: Describe how entropy is decreased by bringing a substance from a gas, to a liquid, and finally to a…

A: Entropy is an extensive thermodynamic property that is a measure of a system's thermal energy per…

Q: 10 mol of N₂ gas expands at a constant temperature of 300 K from 2 L at 8 atm to 6 L at 4 atm. a)…

A: Given:- The number of moles of gas is n = 10.  The constant temperature T = 300 K. The initial…

Q: 2. The picture in Figure 1b shows a schematic pV-graph for a Stirling engine. Redraw the graph and…

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Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…

A: Option b is correct

Q: Which of the following statements about entropy is correct? Select all that apply: A. Entropy is a…

A: Entropy is state dependent and path independent . And according to 2nd law of thermodynamics , the…

Q: n a SIMPLE Rankine cycle, the steam throttled condition is 8 MPa and 480°C. The steam is then…

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Q: Derive the Entropy expression for a. isothermal process, b. Isometric process and c isobaric process

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: 1. Describe two fact that identify the inadequacy of the First law of thermodynamics compare to the…

A: Note: According to Bartleby’s guidelines, one question to be answered. Please upload the others…

Q: refrigeration system design.

A: In this question we explain the refrigeration system design. Please give positive feedback if the…

Q: In Rankine cycle, the work output from the turbine is given by A Change in entropy between inlet and…

A: In Rankine cycle, the work output from the turbine is given by   OPTIONS:   A - Change in entropy…

Q: Air contained in a piston-cylinder assembly undergoes the power cycle shown in the figure below. 4.5…

A: For the Isothermal process 1-2, temperature is constant P1=4.5×102kPa Heat supplied,…

Q: Describe the relationship between entropy and ability to do work. Be sure to include the terms,…

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Q: Diesel cycle consists of __________ processes.   A. two constant volume and two isentropic B. two…

A: one constant pressure, one constant volume and two isentropic

Q: The entropy statement of the second law of thermodynamics implies that the order of the universe is…

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