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Steam and Gas Turbines Practice Test: The Power Plant
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Avg score: 77% Most missed: “Heavy frame engines have _______ pressure ratios.”
Power Plant topics include: Power plant, twin shaft plant, aircraft plant, dimension and dimensionless performance parameters for these plants, elementary gas dynamics and airfoil theory and properties of torque. Steam power plants: These plants consist of a boiler, steam turbine, generator, and other auxiliaries. The boiler generates steam at high pressure and high temperature by burning fossil fuels (such as coal, oil, or natural gas) or by using nuclear energy. The high-pressure steam is directed into a turbine, where the force of the steam's high-speed flow turns the blades. Combined... Show more
Steam and Gas Turbines Practice Test: The Power Plant
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25 Questions

1. Gas turbines used for mechanical drives have _______ shaft.
2. When the amount of energy required is high the life of gas turbine ________
3. Knudsen number ranges in between 0.3 and 1 in ________
4. Mechanical drive application have _________ efficiency than electrical applications by 10%.
5. Aero derivative engines are _________ based gas turbines.
6. Take off mass value for an airplane is found ________ the takeoff.
7. ____________ when expressed in the form of dimensionless quantity is known as flow coefficient.
8. Working fluid properties are present in scaling parameter groups.
9. Landing gear for an airplane is selected depending on the engine _________
10. Heavy frame engines are a type of _______ based gas turbines.
11. Pressure coefficient has ___________
12. Kinetic theory of gasses are applicable only when Knudsen number is greater than 1.
13. Continuum equations are valid only when Knudsen number is ________ than 0.3.
14. Geometric dimensions of an airplane are required for estimation of the weight of airplane.
15. Torque speed characteristics of _______ shaft gas turbine is same as that of dual shaft gas turbine.
16. Ratio of mean free path to characteristic length is called as _________
17. Reynolds number is a __________ parameter.
18. Rare fuselage length of an airplane is _______ proportional to the diameter of the fuselage.
19. Heavy frame engines have _______ pressure ratios.
20. _________ difference is observed in between the sides of air foil.
21. Electronic igniters can be adjusted as per the required ________
22. Gas constants are classified under ________ dimension groups.
23. Knudsen number does not have any __________
24. SGT700 produces _______ noise.
25. In gear type fuel pumps bypass action is due to spill valve.