Podcast
Questions and Answers
How does an increase in air temperature affect air density?
How does an increase in air temperature affect air density?
- Increases air density
- Has no effect on air density
- Decreases air density (correct)
- Increases atmospheric pressure
What effect does high barometric pressure have on air density?
What effect does high barometric pressure have on air density?
- Has no effect on air density
- Increases air density (correct)
- Decreases air density
- Decreases atmospheric pressure
How do changes in atmospheric pressure and temperature affect gas turbine performance?
How do changes in atmospheric pressure and temperature affect gas turbine performance?
- They vary the type of fuel used
- They increase power output
- They have no effect on gas turbine performance
- They decrease power output (correct)
What parameters are considered during the startup of gas turbines?
What parameters are considered during the startup of gas turbines?
What type of fuels are preferred for gas turbine fuel systems?
What type of fuels are preferred for gas turbine fuel systems?
What is activated by temperature-sensitive relays in the event of a fire?
What is activated by temperature-sensitive relays in the event of a fire?
What may be washed during a short shutdown maintenance procedure?
What may be washed during a short shutdown maintenance procedure?
What experiences a loss of 0.5% in power and efficiency for every 1000 hours of service?
What experiences a loss of 0.5% in power and efficiency for every 1000 hours of service?
What is involved in a major overhaul maintenance procedure for gas turbines?
What is involved in a major overhaul maintenance procedure for gas turbines?
What may cause increased roughness on the turbine blades according to the text?
What may cause increased roughness on the turbine blades according to the text?
What is the purpose of the fuel shutoff valve in a gas turbine system?
What is the purpose of the fuel shutoff valve in a gas turbine system?
In a typical automatic gas turbine startup, what happens at approximately 20% of the maximum engine RPM?
In a typical automatic gas turbine startup, what happens at approximately 20% of the maximum engine RPM?
What is the function of the overspeed trip devices in gas turbines?
What is the function of the overspeed trip devices in gas turbines?
What indicates an impending cooling system problem in a gas turbine?
What indicates an impending cooling system problem in a gas turbine?
Why is an anti-icing system required in gas turbines operating in cold climates?
Why is an anti-icing system required in gas turbines operating in cold climates?
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