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The air standard Otto cycle consists of
- a)Two constant volume and two isentropic processes
- b)Two constant pressure and two isentropic processes
- c)Two constant pressure and two constant volume processes
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
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The air standard Otto cycle consists ofa)Two constant volume and two ...
Air standard Otto cycle consists of two constant volume and two isentropic processes.
Process 1–2: An adiabatic (isentropic) compression
Process 2–3: A constant-volume heat addition
Process 3–4: An Adiabatic (isentropic) expansion
Process 4–1: A constant-volume heat rejection
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The air standard Otto cycle consists ofa)Two constant volume and two ...
Air standard Otto cycle consists of two constant volume and two isentropic processes.
Process 1–2: An adiabatic (isentropic) compression
Process 2–3: A constant-volume heat addition
Process 3–4: An Adiabatic (isentropic) expansion
Process 4–1: A constant-volume heat rejection
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The air standard Otto cycle consists ofa)Two constant volume and two ...
Air Standard Otto Cycle:
The air standard Otto cycle is a theoretical cycle of operation for a spark-ignition internal combustion engine. It consists of four processes:
1. Intake Process: During this process, the piston moves from top dead center (TDC) to bottom dead center (BDC) and air is drawn into the cylinder through the open intake valve. The process is assumed to be at constant volume and no heat is added or removed from the system.
2. Compression Process: During this process, the piston moves from BDC to TDC and compresses the air. The process is assumed to be adiabatic and reversible (isentropic), and the temperature and pressure of the air increase.
3. Power Process: During this process, the spark plug ignites the compressed air-fuel mixture, causing it to rapidly expand and push the piston down. The process is assumed to be at constant volume and heat is added to the system.
4. Exhaust Process: During this process, the piston moves from TDC to BDC and the exhaust valve opens to allow the burned gases to exit the cylinder. The process is assumed to be at constant volume and no heat is added or removed from the system.
Answer:
The correct answer is option 'A' which states that the air standard Otto cycle consists of two constant volume and two isentropic processes.
Explanation:
The air standard Otto cycle consists of four processes that are explained above. The first and fourth processes are assumed to be at constant volume, while the second and third processes are assumed to be adiabatic and reversible (isentropic). Hence, the correct option is 'A' which states that the air standard Otto cycle consists of two constant volume and two isentropic processes.
The air standard Otto cycle is a theoretical cycle of operation for a spark-ignition internal combustion engine. It consists of four processes:
1. Intake Process: During this process, the piston moves from top dead center (TDC) to bottom dead center (BDC) and air is drawn into the cylinder through the open intake valve. The process is assumed to be at constant volume and no heat is added or removed from the system.
2. Compression Process: During this process, the piston moves from BDC to TDC and compresses the air. The process is assumed to be adiabatic and reversible (isentropic), and the temperature and pressure of the air increase.
3. Power Process: During this process, the spark plug ignites the compressed air-fuel mixture, causing it to rapidly expand and push the piston down. The process is assumed to be at constant volume and heat is added to the system.
4. Exhaust Process: During this process, the piston moves from TDC to BDC and the exhaust valve opens to allow the burned gases to exit the cylinder. The process is assumed to be at constant volume and no heat is added or removed from the system.
Answer:
The correct answer is option 'A' which states that the air standard Otto cycle consists of two constant volume and two isentropic processes.
Explanation:
The air standard Otto cycle consists of four processes that are explained above. The first and fourth processes are assumed to be at constant volume, while the second and third processes are assumed to be adiabatic and reversible (isentropic). Hence, the correct option is 'A' which states that the air standard Otto cycle consists of two constant volume and two isentropic processes.
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The air standard Otto cycle consists ofa)Two constant volume and two isentropic processesb)Two constant pressure and two isentropic processesc)Two constant pressure and two constant volume processesd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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