15 Questions
What is the primary function of the compressor in a gas turbine?
To discharge compressed air into the combustion chamber
What is the effect of higher combustion temperature on the efficiency of a gas turbine?
Increases efficiency
What determines the output power (power rating) of a gas turbine?
The mass of hot gas flowing through it per unit time
Why is it best to operate gas turbines at the maximum possible temperature that its construction materials can handle?
To enhance efficiency
What effect does cold air at the compressor intake have on gas turbine output?
Increases output
What is the role of the combustion chamber in a gas turbine?
To add and burn fuel to heat the air
What provides power in a simple gas turbine?
The expansion of hot air through the turbine
What type of gas turbine is derived from the jet engines used in aircrafts?
Aeroderivative gas turbine
In which type of gas turbine are the combustion chamber and the engine body separated?
Heavy-duty gas turbine
Which type of gas turbine has a two-stage centrifugal compressor?
Aeroderivative gas turbine
What is the design of a typical turboprop aircraft engine like?
Two turbines, one drives the compressor and the other drives the propeller
Which type of gas turbine draws the air used to drive the turbine from the atmosphere?
Open-cycle gas turbine
What is an essential auxiliary for a gas turbine, as it is not self-starting?
Starting motor
What does a simple gas turbine lack?
Heat exchanger and regenerators
What is a characteristic of a single shaft gas turbine?
It has only one shaft connecting the gas turbine and the compressor
Test your knowledge on the principles of gas turbines, including the process of air compression, fuel combustion, and power generation through turbine expansion.
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