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The work output of any heat engine is always, a. equal to the work output of a Carnot engine with the same intake and exhaust temperatures b. depends only on the temperatures of the heat source and heat sink c. equal to the difference between the heat intake and the heat exhaust d. lower compared to that of a Carnot engine The higher the entropy changes of a process a. The lower the number of its microstates b. The less dispersed the energy is c. The more available energy there is for conversion from heat to work d. The less reversible the process is. The change in pressure across an isentropic diverging nozzle: a. Remains the same all throughout b. Decreases for a supersonic flow c. Decreases for a subsonic flow d. Increases regardless of flow regime A Carnot engine can only have a 100% efficiency if a. The exhaust temperature is infinitely greater than the intake temperature. b. The exhaust temperature is zero. c. The intake temperature is infinitely greater than the exhaust temperature. d. The intake temperature is zero.

The work output of any heat engine is always, a. equal to the work output of a Carnot engine with the same intake and exhaust temperatures b. depends only on the temperatures of the heat source and heat sink c. equal to the difference between the heat intake and the heat exhaust d. lower compared to that of a Carnot engine The higher the entropy changes of a process a. The lower the number of its microstates b. The less dispersed the energy is c. The more available energy there is for conversion from heat to work d. The less reversible the process is. The change in pressure across an isentropic diverging nozzle: a. Remains the same all throughout b. Decreases for a supersonic flow c. Decreases for a subsonic flow d. Increases regardless of flow regime A Carnot engine can only have a 100% efficiency if a. The exhaust temperature is infinitely greater than the intake temperature. b. The exhaust temperature is zero. c. The intake temperature is infinitely greater than the exhaust temperature. d. The intake temperature is zero.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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The work output of any heat engine is always, a. equal to the work output of a Carnot engine with the same intake and exhaust temperatures b. depends only on the temperatures of the heat source and heat sink c. equal to the difference between the heat intake and the heat exhaust d. lower compared to that of a Carnot engine The higher the entropy changes of a process a. The lower the number of its microstates b. The less dispersed the energy is c. The more available energy there is for conversion from heat to work d. The less reversible the process is. The change in pressure across an isentropic diverging nozzle: a. Remains the same all throughout b. Decreases for a supersonic flow c. Decreases for a subsonic flow d. Increases regardless of flow regime A Carnot engine can only have a 100% efficiency if a. The exhaust temperature is infinitely greater than the intake temperature. b. The exhaust temperature is zero. c. The intake temperature is infinitely greater than the exhaust temperature. d. The intake temperature is zero.
Transcribed Image Text:The work output of any heat engine is always, a. equal to the work output of a Carnot engine with the same intake and exhaust temperatures b. depends only on the temperatures of the heat source and heat sink c. equal to the difference between the heat intake and the heat exhaust d. lower compared to that of a Carnot engine The higher the entropy changes of a process a. The lower the number of its microstates b. The less dispersed the energy is c. The more available energy there is for conversion from heat to work d. The less reversible the process is. The change in pressure across an isentropic diverging nozzle: a. Remains the same all throughout b. Decreases for a supersonic flow c. Decreases for a subsonic flow d. Increases regardless of flow regime A Carnot engine can only have a 100% efficiency if a. The exhaust temperature is infinitely greater than the intake temperature. b. The exhaust temperature is zero. c. The intake temperature is infinitely greater than the exhaust temperature. d. The intake temperature is zero.
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