Question: 4. Consider a compression process where the pressure is increased by a factor of 2. If the compression was isentropic, the temperature would increase

4. Consider a compression process where the pressure is increased by a factor of 2. If the compression was isentropic, the temperature would increase

4. Consider a compression process where the pressure is increased by a factor of 2. If the compression was isentropic, the temperature would increase by 22%. In reality, how much must the temperature reasonably change to achieve the same compression? a. 22% decrease b. 15% increase c. 26% decrease d. 30% increase isentropic = adiabatic + reversible 7. How does dissociation effect the flame temperature? a. Dissociation increases flame temp b. Dissociation decreases flame temp C. Dissociation has no effect on flame temp W= ES MRT dv 8. Air enters a combustor at 400 K and combusts with a fuel to release 9,000 J/kg of heat. What is the air temperature leaving the combustor? a. 900 K b. 1300 K c. 1500 K d. 1800 K combustion W: MRT 40 JE = Q+ releases energy SE = 4000

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