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Steam and Gas Turbines Practice Test: Anatomy, Characteristics and Functioning
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Avg score: 58% Most missed: “__________ is also used to direct the working fluid.”
Steam and Gas Turbines Anatomy, Characteristics and Functioning topics include: Closed cycle, nozzle design, shock wave, position angles, types of steam, turbine flow passage design, energy distribution, cascade principle, design calculations for impulse and multistaged turbine flow passages, blade, bending and disk stresses, shrouding and lacing wires and other metallurgical considerations. Gas turbines and steam turbines have different main parts and working principles: Gas turbines: Use hot, compressed gas or a mixture of gases as a working fluid. They consist of a compressor, combustion... Show more
Steam and Gas Turbines Practice Test: Anatomy, Characteristics and Functioning
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25 Questions

1. Nozzle is used to control direction or characteristics of flow.
2. In De Laval Nozzle critical pressure ratio is given by (2/y+1)^(y/y-1).
3. Rotational disks deform due to ______________
4. High stresses in rotating disks are caused due to _______
5. Nozzle used in rocket engine is __________
6. When velocity in each row increases its velocity ratio __________
7. Nozzles with high pressure ratios have ______ area divergent sections.
8. Turbine blades are subjected to stress from ___________
9. Coefficient of velocity of nozzle is _______________
10. In radial equilibrium method blade force is assumed to be ____________
11. Energy balance states that total energy input is equal to arithmetic sum of Energy losses, output work, flue gasses loss and rotational loss.
12. Crank Nicholson method is an integration method.
13. In thermodynamic cycles input to working fluid is given using ________
14. For radial equilibrium it is assumed that heat transfer is ____________
15. Resistance of water dominating the steam is called as _______
16. Wet steams causes corrosion.
17. The lift force is directly proportional to _________
18. Increase in angle of attack can be done by ________
19. A pressurized fluid that actuates a machine is called as working fluid.
20. For radial equilibrium constant velocity is assumed.
21. In pressure compounded turbines moving nozzles are followed by turbine blades.
22. Coefficient of discharge is the ____________
23. Region of supersonic acceleration is ________ by shock wave.
24. When mach number is greater than one the flow is ________
25. Velocity ratio is directly proportional to velocity in each row.