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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. When inlet temperature is increased to 2600F then efficiency is about ____________
2. Dimensions of an airplane are effected by the engine _______
3. Continuum in fluids is predicted by using ________
4. In diesel engines engine output increases when engine speed decreases.
5. When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and _________
6. When the amount of energy required is high the life of gas turbine ________
7. SGT600 is ________ shaft power plant.
8. In a dual shaft gas turbine when the speed is about 60% the torque is increased to _______
9. Gas turbines has _________ pressure high volume fuel pumps.
10. SGT700 is resistant to H2S gas.
11. Ratio of mean free path to characteristic length is called as _________
12. Temperatures in gas turbines are about _______
13. Pressure coefficient has ___________
14. Knudsen number is less than _______
15. Knudsen number ranges in between 0.3 and 1 in ________
16. ____________ when expressed in the form of dimensionless quantity is known as flow coefficient.
17. SGT100 power plant has a power output of ________
18. Aero derivative engines are very ________ in size.
19. Continuum equations are valid only when Knudsen number is ________ than 0.3.
20. Take off mass value for an airplane is found ________ the takeoff.
21. Distance traveled by the molecule in between successive collisions is called as __________
22. _________ difference is observed in between the sides of air foil.
23. In gear type fuel pumps bypass action is due to spill valve.
24. Electronic igniters can be adjusted as per the required ________
25. Wing area in an airplane is ________ proportional to take off mass value.