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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 has _________ pressure high volume fuel pumps.
2. Fuel mass required in an airplane is _________ proportional to the take off mass value.
3. Knudsen number does not have any __________
4. Thrust to weight ratio for an airplane is found _______ the takeoff.
5. Temperatures in gas turbines are about _______
6. Minimum compression ratio of aero derivative engines are ______
7. Fuselage dimensions in an airplane is _________ proportional to cross sectional area of fuselage.
8. Dimensions of an airplane are effected by the engine _______
9. In air foil lift is __________ proportional to angle of attack.
10. Take off mass value also effects the selection of __________
11. In a dual shaft gas turbine when the speed is about 60% the torque is increased to _______
12. _______ temperatures in gas turbines gives low efficiency.
13. Reynolds number is a __________ parameter.
14. In single shaft gas turbine when torque output is 50% engine speed is about _______
15. SGT700 produces _______ vibrations.
16. _________ difference is observed in between the sides of air foil.
17. Corrected groups are __________ proportional to quasi dimension groups.
18. Knudsen number ranges in between 0.3 and 1 in ________
19. Rare fuselage length of an airplane is _______ proportional to the diameter of the fuselage.
20. Heavy frame engines have _______ pressure ratios.
21. Mach number is a _________ parameter.
22. When the amount of energy required is high the life of gas turbine ________
23. Slope between lift coefficient and angle of attack in a line is __________
24. Engine output is the ratio of __________ and torque.
25. Aerodynamic center lies exactly at ______ on the chord from leading edge in cambered air foil.