I just need a reduction in the first law for these three problems, to check my work. Also state your CV for each problem and why. Do not solve the problems. Thank you.
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I just need a reduction in the first law for these
three problems, to check my...
Problem 1 A diesel engine has a compression ratio r = 20 and uses air as...
Problem 1 A diesel engine has a compression ratio r = 20 and uses air as the working fluid. The state of air at the beginning of the compression process is P1 = 95 kPa and T = 20°C. However, the isentropic expansion normally occuring between state 3 and state 4 is replaced by a polytropic process along which: Pul.35 = constant. The maximum temperature in the cycle is not to exceed 2200 K. In this analysis, the variation of...
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas...
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2-3: Polytropic expansion with n=k to P; - 0.3 MPa Process 3-4: Constant-pressure compression to V4-V Process 4-1: Constant-volume heating. (a) Sketch the cycle on...
(3). A sample of 1.00 mol ideal gas molecules with Com= 7/2 R is initially at...
(3). A sample of 1.00 mol ideal gas molecules with Com= 7/2 R is initially at p = 1.00 bar and V = 22.44 L and then put thought the following cycle in reversible processes: (a) constant-pressure expansion to twice its initial volume, (b) constant volume cooling to its initial temperature, (c) isothermal-compression back to 1.00 bar. Calculate q, w, AU, AH, AS for each process and for the whole cycle. (20 pts)
The lesson is about First Law of Thermodynamic. The problems have answers but i need solutions....
The lesson is about First Law of Thermodynamic. The problems
have answers but i need solutions. PLEASE HELP ME! THANK
YOU!
38. Calculate the maximum work that could be obtained if 2.00 mol of an ideal gas, initially at STP, is allowed to expand to 100 L isothermally. Answer-36.0 L-atm 39. If 5.00 mol of an ideal gas is heated at constant pressure from 300 K to 500 K, how much work is done by the expansion of the gas?...
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an...
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P1 = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to P3 = 0.3 MPa Process 3–4: Constant-pressure compression to V4 = V1 Process 4–1: Constant-volume heating. (a)...
C only please Question 1 (50 points) One kg of air is in a piston-cylinder assembly....
C
only please
Question 1 (50 points) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to Pz = 0.3 MPa Process 3-4: Constant-pressure compression to V4 = V....
1-9 please We Isentropic 04/13/2020 By writing my name above. I understand that no programmable calculators...
1-9 please
We Isentropic 04/13/2020 By writing my name above. I understand that no programmable calculators are allowed. Cols phones should be used only for showing yourself on Zoom Video. No notes or solved problems allowed in text book, and any form of cheating is not allowed during this test. Any violation will result in F grade outright. Your video should be turned on throughout the test. Problem Statement for Test 2-Part 1 The P-v diagram of an ideal Otto...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C undergoes an isothermal and reversible process until 0.76 kg of saturated liquid water is obtained in the system. (i) Determine the entropy change of the mass. (5 marks) (ii) Determine the amount of heat transfer of the system during the process. (3 marks) (b) A two-cylinder two-stroke diesel engine operates on an ideal Diesel cycle, of which compression ratio is 22.5 and cutoff ratio...
You got this question right in the previous attempt. Check my work View previous attempt Required...
You got this question right in the previous attempt. Check my work View previous attempt Required information Part 1 of 2 An air-standard cycle with constant specific heats at room temperature is executed in a closed system and is composed of the following four processes: 1-2 v=Constant heat addition from 14.7 psia and 80°F in the amount of 300 Btu/ibm 2-3 P=Constant heat addition to 3100 R 3-4 Isentropic expansion to 14.7 psia 4-1 P=Constant heat rejection to initial state...
Q5. An efficiency consultant is studying the power stroke of a four-stroke engine and determines the following: As the...
Q5. An efficiency consultant is studying the power stroke of a
four-stroke engine and determines the following:
As the piston is forced down, the mixture of combustion
products and air undergoes an adiabatic expansion.
The engine is running at 3,100 cycles/min.
The gauge pressure immediately before the expansion is 25.0
atm.
The volumes of the mixture immediately before and after the
expansion are 50.0 cm3 and 400 cm3,
respectively (figure below).
The time interval for the expansion is one-fourth the...
Problem 1 A diesel engine has a compression ratio r = 20 and uses air as the working fluid. The state of air at the beginning of the compression process is P1 = 95 kPa and T = 20°C. However, the isentropic expansion normally occuring between state 3 and state 4 is replaced by a polytropic process along which: Pul.35 = constant. The maximum temperature in the cycle is not to exceed 2200 K. In this analysis, the variation of...
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2-3: Polytropic expansion with n=k to P; - 0.3 MPa Process 3-4: Constant-pressure compression to V4-V Process 4-1: Constant-volume heating. (a) Sketch the cycle on...
(3). A sample of 1.00 mol ideal gas molecules with Com= 7/2 R is initially at p = 1.00 bar and V = 22.44 L and then put thought the following cycle in reversible processes: (a) constant-pressure expansion to twice its initial volume, (b) constant volume cooling to its initial temperature, (c) isothermal-compression back to 1.00 bar. Calculate q, w, AU, AH, AS for each process and for the whole cycle. (20 pts)
The lesson is about First Law of Thermodynamic. The problems
have answers but i need solutions. PLEASE HELP ME! THANK
YOU!
38. Calculate the maximum work that could be obtained if 2.00 mol of an ideal gas, initially at STP, is allowed to expand to 100 L isothermally. Answer-36.0 L-atm 39. If 5.00 mol of an ideal gas is heated at constant pressure from 300 K to 500 K, how much work is done by the expansion of the gas?...
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P1 = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to P3 = 0.3 MPa Process 3–4: Constant-pressure compression to V4 = V1 Process 4–1: Constant-volume heating. (a)...
C
only please
Question 1 (50 points) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to Pz = 0.3 MPa Process 3-4: Constant-pressure compression to V4 = V....
1-9 please
We Isentropic 04/13/2020 By writing my name above. I understand that no programmable calculators are allowed. Cols phones should be used only for showing yourself on Zoom Video. No notes or solved problems allowed in text book, and any form of cheating is not allowed during this test. Any violation will result in F grade outright. Your video should be turned on throughout the test. Problem Statement for Test 2-Part 1 The P-v diagram of an ideal Otto...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C undergoes an isothermal and reversible process until 0.76 kg of saturated liquid water is obtained in the system. (i) Determine the entropy change of the mass. (5 marks) (ii) Determine the amount of heat transfer of the system during the process. (3 marks) (b) A two-cylinder two-stroke diesel engine operates on an ideal Diesel cycle, of which compression ratio is 22.5 and cutoff ratio...
You got this question right in the previous attempt. Check my work View previous attempt Required information Part 1 of 2 An air-standard cycle with constant specific heats at room temperature is executed in a closed system and is composed of the following four processes: 1-2 v=Constant heat addition from 14.7 psia and 80°F in the amount of 300 Btu/ibm 2-3 P=Constant heat addition to 3100 R 3-4 Isentropic expansion to 14.7 psia 4-1 P=Constant heat rejection to initial state...
Q5. An efficiency consultant is studying the power stroke of a
four-stroke engine and determines the following:
As the piston is forced down, the mixture of combustion
products and air undergoes an adiabatic expansion.
The engine is running at 3,100 cycles/min.
The gauge pressure immediately before the expansion is 25.0
atm.
The volumes of the mixture immediately before and after the
expansion are 50.0 cm3 and 400 cm3,
respectively (figure below).
The time interval for the expansion is one-fourth the...
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