Question 3Gas Turbine - Assistant Engineer70% to pass
The Brayton Cycle is a series of events best described by which of the following statements?
AI Explanation
The correct answer is D) Intake, compression, combustion, expansion, exhaust.
The Brayton Cycle, which is the operating cycle for gas turbine engines, consists of these five key stages:
1. Intake: Air is drawn into the engine.
2. Compression: The air is compressed, increasing its pressure and temperature.
3. Combustion: Fuel is injected and ignited, causing a rapid expansion of the gases.
4. Expansion: The high-pressure, high-temperature gases expand through the turbine, producing mechanical work.
5. Exhaust: The expanded gases are expelled from the engine.
The other answer choices do not accurately describe the complete Brayton Cycle. For example, option A omits the compression and expansion stages, while option B includes an "explosion" stage, which is not part of the Brayton Cycle.
Related Questions
#1 The thermal energy added to the gas as it flows through the combustion section has what effect on the gas? #2 In a gas turbine, the air charge is permitted to be compressed adiabatically by what factor, process, or condition? #4 Why is a gas turbine considered to operate on the Brayton cycle? #5 In a twin-spool turbine, secondary air is most essential for cooling in what section? #6 Which of the following statements is true regarding centrifugal compressors?