Brayton Cycle - MCQs with Answers

Brayton Cycle - MCQs with Answers


Q1. The Brayton cycle which is used in aircraft, automotive is

a. a closed cycle
b. an open cycle
c. either closed or open cycle
d. cannot say

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ANSWER: b. an open cycle



Q2. The Brayton cycle is the air standard cycle for

a. gas turbine power plant
b. SI engine
c. CI engine
d. none of the above

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ANSWER: a. gas turbine power plant



Q3. Which processes do occur in the Brayton cycle?

a. two reversible adiabatic processes and two reversible isochoric processes
b. two reversible adiabatic processes and two reversible isobaric processes
c. two reversible adiabatic processes and two reversible isothermal processes
d. two reversible adiabatic processes and two reversible isentropic processes

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ANSWER: b. two reversible adiabatic processes and two reversible isobaric processes



Q4. For the same compression ratio, how is the efficiency of the Brayton cycle compared with the efficiency of Otto cycle?

a. Efficiency of the Brayton cycle is higher than the efficiency of the Otto cycle, for the same compression ratio
b. Efficiency of the Brayton cycle is lower than the efficiency of the Otto cycle, for the same compression ratio
c. Efficiency of the Brayton cycle is same as that of the Otto cycle, for the same compression ratio
d. cannot say

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ANSWER: c. Efficiency of the Brayton cycle is same as that of the Otto cycle, for the same compression ratio



Q5. The Brayton cycle used in gas-cooled nuclear reactor plant is

a. a closed cycle
b. an open cycle
c. either closed or open cycle
d. cannot say

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ANSWER: a. a closed cycle


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