Explain the answer Which of the following statements about an isentropic compressor is correct? An isentropic...
Explain the answer
Which of the following statements about an isentropic compressor is correct?
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An isentropic compressor has internal irreversibilities. An isentropic compressor has internal irreversibilities. |
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An isentropic compressor requires less work input than the actual adiabatic compressor. |
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An isentropic compressor is an ideal model of a compressor with a cooling jacket. |
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The temperature of an ideal gas flowing through an isentropic compressor remains constant during the compression process. |
Homework Answers
Answer:
An isentropic compressor requires less work input than the actual adiabatic compressor.
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Explain the answer
Which of the following statements about an isentropic compressor
is correct?
An isentropic...
Explain the answer Which of the following statements about an isentropic compressor is correct? a An...
Explain the answer Which of the following statements about an isentropic compressor is correct? a An isentropic compressor has internal irreversibilities. An isentropic compressor has internal irreversibilities. b An isentropic compressor requires less work input than the actual adiabatic compressor. c An isentropic compressor is an ideal model of a compressor with a cooling jacket. d The temperature of an ideal gas flowing through an isentropic compressor remains constant during the compression process.
Please answer all questions, I will upvote thanks. QUESTION 1 Which of the following statements about...
Please answer all questions, I will upvote thanks.
QUESTION 1 Which of the following statements about entropy is false? Entropy is a measure of molecular disorder. Entropy is a property and process path independent. Entropy is always generated during a process, including in a Carnot cycle. Entropy can decrease during a process. QUESTION 2 Which of the following statements about a reversible process is false? Reversible process is an idealized process that has no irreversibility involved. Work-consuming device consumes the...
Which of the following statements are true for a reversible adiabatic compressor (multiple answers are possible)...
Which of the following statements are true for a reversible adiabatic compressor (multiple answers are possible) O A. Entropy generation is zero B. The compressor is ideal and will consume minimal work OC. The compression process is isentropic OD. Heat may transfer from the compressor to the surroundings
Process Combuster Compressor ip Compressor Turbine 10 Intercooler Figure 1 shows a typical Brayton power cycle...
Process Combuster Compressor ip Compressor Turbine 10 Intercooler Figure 1 shows a typical Brayton power cycle with inter-cooling Air enters the compressor at 98 kPa and 24 °C. Compression is done in two stages with inter-cooling between the stages. The compressor has an isentropic efficiency of 87% The gas exits the combustor at 490 kPa and 850 °C. The turbine has an isentropic efficiency of 95%. A gas stream with a temperature of 950 "C, recovered from another process, is...
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following statements about this gas are true for this process? (There may be more than one correct choice.) A) Heat leaves the gas during the compression. B) Since the gas and water are at the same...
The two stage compressor shown in the figure below takes in air at room condition (285...
The two stage compressor shown in the figure below takes in air at room condition (285 K and 100 kPa) and compresses it to 2.5 MPa. The intercooler then cools to the air to 380 K, after which it enter the second stage of compression, which has an exit pressure of 12 MPa. Both compression stages are adiabatic and reversible (a) Find the specific heat transfer in the intercooler (the amount of heat in kJ/kg that must be removed from...
9. A container of ideal gas has a movable frictionless piston. This container is placed in...
9. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following statements about this gas are true for this process? The internal energy of the gas increases during the compression because work is done on the gas. Since the temperature of the gas remains constant, the...
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic...
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic process (1-2s) in a single stage compressor as shown in figure below isentropic From inlet (1) where the pressure and temperature are (200 kpa) and (27o c) respectively to exit (2s) where the pressure is (2000 kpa ) . If (k= 1.667 ) and ( R = 0.2081 kJ/kg. k ) a.1) determine the specific work (Wis) done by the compressor on Argon along...
Air enters an adiabatic compressor at 17 Cand 90 KPa with a mass flow rate of...
Air enters an adiabatic compressor at 17 Cand 90 KPa with a mass flow rate of 0.2 Kg/s and exits at 400 KPa. The compressor has an isentropic effeciency of 88 % assuming constant specific heats at room temperature determine: A) The power input to the compressor B) The total rate of exergy destroyed during the process C) The second law efficiency of the compressor D) Draw the actual and isentropic process on T-5 diagram
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic,...
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic, reversible isothermal, and an irreversible adiabatic process, respectively. (Note: These processes are not sequential processes; rather each of them is an independent, standalone p They all start at the same initial condition at state 1, but they end at different state 2.) The mass flow rate is...
Please answer all questions, I will upvote thanks.
QUESTION 1 Which of the following statements about entropy is false? Entropy is a measure of molecular disorder. Entropy is a property and process path independent. Entropy is always generated during a process, including in a Carnot cycle. Entropy can decrease during a process. QUESTION 2 Which of the following statements about a reversible process is false? Reversible process is an idealized process that has no irreversibility involved. Work-consuming device consumes the...
Which of the following statements are true for a reversible adiabatic compressor (multiple answers are possible) O A. Entropy generation is zero B. The compressor is ideal and will consume minimal work OC. The compression process is isentropic OD. Heat may transfer from the compressor to the surroundings
Process Combuster Compressor ip Compressor Turbine 10 Intercooler Figure 1 shows a typical Brayton power cycle with inter-cooling Air enters the compressor at 98 kPa and 24 °C. Compression is done in two stages with inter-cooling between the stages. The compressor has an isentropic efficiency of 87% The gas exits the combustor at 490 kPa and 850 °C. The turbine has an isentropic efficiency of 95%. A gas stream with a temperature of 950 "C, recovered from another process, is...
The two stage compressor shown in the figure below takes in air at room condition (285 K and 100 kPa) and compresses it to 2.5 MPa. The intercooler then cools to the air to 380 K, after which it enter the second stage of compression, which has an exit pressure of 12 MPa. Both compression stages are adiabatic and reversible (a) Find the specific heat transfer in the intercooler (the amount of heat in kJ/kg that must be removed from...
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic process (1-2s) in a single stage compressor as shown in figure below isentropic From inlet (1) where the pressure and temperature are (200 kpa) and (27o c) respectively to exit (2s) where the pressure is (2000 kpa ) . If (k= 1.667 ) and ( R = 0.2081 kJ/kg. k ) a.1) determine the specific work (Wis) done by the compressor on Argon along...
Air enters an adiabatic compressor at 17 Cand 90 KPa with a mass flow rate of 0.2 Kg/s and exits at 400 KPa. The compressor has an isentropic effeciency of 88 % assuming constant specific heats at room temperature determine: A) The power input to the compressor B) The total rate of exergy destroyed during the process C) The second law efficiency of the compressor D) Draw the actual and isentropic process on T-5 diagram
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic, reversible isothermal, and an irreversible adiabatic process, respectively. (Note: These processes are not sequential processes; rather each of them is an independent, standalone p They all start at the same initial condition at state 1, but they end at different state 2.) The mass flow rate is...
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