The question concerns the Brayton cycle and asks us to evaluate the given statements. Option a: 'consists of following processes: isentropic compression isobaric heating isentropic expansion isobaric heat removal.' In the Brayton cycle for an ideal gas working fluid, the sequence is indeed a compression that is ideally isentropic, followed by heat addition at essentially constant pressure (isobaric), then expansion that is ideally isentropic, and finally heat rejection at constant pressure (isobaric). This description matches the standard Brayton cycle steps, so this option is correct. Option d: 'represents ideal gas turbine process.' The Brayton cycle is widely used as the idealized cycle for gas turbine engines, assuming the working fluid behaves as an ideal gas and the processes can be approximated as isentropic or isobaric as noted. Thus, this statement correctly characterizes Brayton cycle behavior in the common idealized sense, making this option also correct. Note: There are no other options provided to evaluate here, so the analysis focuses on these two statements. The first accurately enumerates the cycle’s four processes, while the second accurately categorizes the Brayton cycle as the ideal gas turbine process.

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BH20A0720 Engineering Thermodynamics - Blended teaching 2.9.2024-15.12.2024 Quiz 11

Multiple choice

Brayton cycle

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The question concerns the Brayton cycle and asks us to evaluate the given statements. Option a: 'consists of following processes: isentropic compression isobaric heating isentropic expansion isobaric heat removal.' In the Brayton cycle for an ideal ......Login to view full explanation

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