AVIA 455 Quiz 1

AVIA 455 Quiz 1 Liberty University

Set 1

1. The turbofan engines produce a lower noise level.
2. Bernoulli’s principle states that total energy is made up of potential energy in the form of pressure and kinetic energy in the form of velocity.
3. How many spools do the new generation large Rolls-Royce turbofan engines have?
4. Foreign object damage is a major problem to which type of engine?
5. The center of a centrifugal compressor where the air enters is called the eye.
6. What is a major type of damage to the hot section?
7. What are the two basic types of compressors used on gas turbine engines?
8. Some turbine engines have used shrouded turbine blades to reduce vibration.
9. The principle upon which gas turbine engines operate is that of accelerating a mass of air as it passes through the engine by the addition of energy from burning fuel.
10. A temperature of absolute zero is:
11. Axial-flow compressors have become the standard for large gas turbine engines.
12. Can the rotor blades in an axial-flow compressor stall?
13. Does the Garrett TFE731 turbofan engine have a hybrid compressor arrangement?
14. A design feature to minimize compressor stalls is____.
15. The function of the compressor used in gas turbine engines is to____.
16. Are the compressor blades rigidly attached to the compressor drum?
17. One thrust horsepower is equal to___________.
18. The combustor (combustion chamber) is where the fuel is injected and burned.
19. The turbine engine cold section is ___________.
20. The low pressure compressor is called the ________________.
21. The air that flows through the combustions section but is not used in the combustion process is used for ____________.
22. Are the air inlet ducts part of the airframe?
23. Where is the compressor of the PT6 engine located?
24. When a supersonic airstream passes through a normal shock wave, the airstream slows to subsonic.
25. The highest air pressure in a gas turbine engine is that of the air in the ______________.

Set 2

1. The air that flows through the combustions section but is not used in the combustion process is used for ____________.
2. The principle upon which gas turbine engines operate is that of accelerating a mass of air as it passes through the engine by the addition of energy from burning fuel.
3. Where is the compressor of the PT6 engine located?
4. The center of a centrifugal compressor where the air enters is called the eye.
5. Foreign object damage is a major problem to which type of engine?
6. A design feature to minimize compressor stalls is____.
7. Are the compressor blades rigidly attached to the compressor drum?
8. Does the Garrett TFE731 turbofan engine have a hybrid compressor arrangement?
9. Some turbine engines have used shrouded turbine blades to reduce vibration.
10. When a supersonic airstream passes through a normal shock wave, the airstream slows to subsonic.
11. The function of the compressor used in gas turbine engines is to____.
12. How many spools do the new generation large Rolls-Royce turbofan engines have?
13. The turbine engine cold section is ___________.
14. A temperature of absolute zero is:
15. Are the air inlet ducts part of the airframe?
16. One thrust horsepower is equal to___________.
17. What are the two basic types of compressors used on gas turbine engines?
18. The combustor (combustion chamber) is where the fuel is injected and burned.
19. The low pressure compressor is called the ________________.
20. Can the rotor blades in an axial-flow compressor stall?
21. Bernoulli’s principle states that total energy is made up of potential energy in the form of pressure and kinetic energy in the form of velocity.
22. The highest air pressure in a gas turbine engine is that of the air in the ______________.
23. Axial-flow compressors have become the standard for large gas turbine engines.
24. What is a major type of damage to the hot section?
25. The turbofan engines produce a lower noise level.