1. What is the SI unit of the volume of a component in a gas mixture?
Answer
Correct Answer:
Component volume
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2. What is the pressure a component in a gas mixture would have if it existed alone at the volume and temperature of the mixture?
Answer
Correct Answer:
Component pressure
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3. What does all the sulphur burn to during a complete combustion process?
Answer
Correct Answer:
SO2
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4. What is defined as the amount of heat released during combustion divided by the heating value of the fuel?
Answer
Correct Answer:
Combustion efficiency
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5. When is combustion air considered dry?
Answer
Correct Answer:
21 percent oxygen and 79 percent nitrogen
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6. What percentage of air is nitrogen?
Answer
Correct Answer:
79 percent
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7. What is the process of combustion?
Answer
Correct Answer:
A chemical reaction
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8. What is the process during which a fuel is oxidized?
Answer
Correct Answer:
Combustion
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9. What is the turbine that drives the gas cycle in the combined cycle?
Answer
Correct Answer:
Brayton
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10. What is the temperature of room air?
Answer
Correct Answer:
25°C, or 77°F
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11. What is the name of the assumption that determines the values of the specific heats of the air at room temperature?
Answer
Correct Answer:
Cold-air-standard assumption
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12. What is the production of more than one useful form of energy called?
Answer
Correct Answer:
Cogeneration
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13. What are two forms of energy that can be produced through cogeneration?
Answer
Correct Answer:
Process heat and electric power
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14. What is the measure of performance of refrigerators and heat pumps?
Answer
Correct Answer:
Coefficient of performance
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15. What term describes a control system that has a fixed amount of mass and no mass can cross its boundary?
Answer
Correct Answer:
Closed system
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16. What is the name of a feedwater heater in which heat is transferred from the extracted steam to the feedwater without any mixing taking place?
Answer
Correct Answer:
Closed feedwater heater
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17. When is the clearance volume reached?
Answer
Correct Answer:
Top dead center
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18. What is the minimum volume formed in the cylinder when the piston is at top dead center?
Answer
Correct Answer:
Clearance volume
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19. What does the law say must be impossible to construct?
Answer
Correct Answer:
A device that operates in a cycle
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20. Who wrote the second law?
Answer
Correct Answer:
Clausius
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21. What is the name of the inequality first stated by R.J.E. Clausius?
Answer
Correct Answer:
Clausius inequality
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22. Who first stated the Clausius inequality?
Answer
Correct Answer:
R. J. E. Clausius
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23. What does the term "Classical thermodynamics" mean?
Answer
Correct Answer:
The macroscopic approach to the study of thermodynamics
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24. What discipline studies the macroscopic behavior of thermodynamics?
Answer
Correct Answer:
Classical thermodynamics
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25. Who relates the Clapeyron equation?
Answer
Correct Answer:
E. Clapeyron
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26. What is the name of the equation that relates the enthalpy change associated with a phase change?
Answer
Correct Answer:
Clapeyron equation
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27. What is used to determine the variation of saturation pressure with temperature?
Answer
Correct Answer:
Clapeyron-Clausius equation
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28. What kind of equation is used to determine the variation of saturation pressure with temperature?
Answer
Correct Answer:
Clapeyron-Clausius
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29. When is choked flow likely to occur?
Answer
Correct Answer:
When the mass flow reaches a maximum value
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30. What type of flow occurs when the mass flow reaches a maximum value?
Answer
Correct Answer:
Choked flow
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31. What does chemical potential measure?
Answer
Correct Answer:
Change in the Gibbs function
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32. What is the Gibbs function of a mixture?
Answer
Correct Answer:
Chemical potential
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33. What is the correct amount of air for a fire extinguisher?
Answer
Correct Answer:
100 percent theoretical air
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34. 100% of what is the correct amount of air?
Answer
Correct Answer:
Theoretical air
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35. What do the reactants of a chemical equilibrium reaction need to be if the reaction is to proceed in both directions at the same rate?
Answer
Correct Answer:
Depleted
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36. What do the reactants or products of a chemical equilibrium reaction undergo depletion at?
Answer
Correct Answer:
Exactly the same rate as they are replenished
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37. What does chemical equilibrium establish in a system?
Answer
Correct Answer:
When its chemical composition does not change with time
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38. What does a system establish when its chemical composition does not change with time?
Answer
Correct Answer:
Chemical equilibrium
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39. What is the internal energy associated with?
Answer
Correct Answer:
Atomic bonds
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40. What is the internal energy associated with the atomic bonds in a molecule?
Answer
Correct Answer:
Chemical energy
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41. The points on the Celsius scale are assigned the values of 0 and 100 what?
Answer
Correct Answer:
°C
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42. What is the name of the scale used in the SI system?
Answer
Correct Answer:
Celsius scale
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43. What are cascade refrigeration cycles used for?
Answer
Correct Answer:
Perform the refrigeration process in stages
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44. What does the term "Carnot refrigerator" refer to?
Answer
Correct Answer:
A refrigerator that operates on the reversed Carnot cycle
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45. What can the coefficient of performance of the Carnot refrigerator be?
Answer
Correct Answer:
COPR
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46. What does it mean to be an engine?
Answer
Correct Answer:
Reversible and irreversible
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47. What are two conclusions that pertain to the thermal efficiency of reversible and irreversible heat engines?
Answer
Correct Answer:
Carnot principles
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48. What cycle does the Carnot heat pump operate on?
Answer
Correct Answer:
The reversed Carnot cycle
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49. What does the acronym for the type of heat pump mean?
Answer
Correct Answer:
Carnot
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50. What is the name of the heat pump that operates on the reversed Carnot cycle?
Answer
Correct Answer:
Carnot heat pump
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51. What is the coefficient of performance of the Carnot heat pump when operating between the two thermal energy reservoirs?
Answer
Correct Answer:
COPHP
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52. The theoretical heat engine operates on what cycle?
Answer
Correct Answer:
Carnot cycle
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53. What type of engine is the theoretical heat engine that operates on the Carnot cycle?
Answer
Correct Answer:
Carnot heat engine
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54. At what temperature would the efficiency of the engine operating between the reservoirs be called hcarnot efficiency?
Answer
Correct Answer:
TL
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55. What is the highest efficiency a heat engine operating between the two thermal energy reservoirs can have?
Answer
Correct Answer:
Carnot efficiency
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56. What type of system can the Carnot cycle be in?
Answer
Correct Answer:
Closed
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57. Who first proposed the Carnot cycle?
Answer
Correct Answer:
French engineer Sadi Carnot
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58. What year was the Carnot cycle first proposed?
Answer
Correct Answer:
1824
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59. What is the amount of energy needed to raise the temperature of 1 g of water by 1 °C?
Answer
Correct Answer:
Calorie
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60. The Btu is an example of what kind of energy unit?
Answer
Correct Answer:
Thermal
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61. What is the name of the cycle that allows the transfer of heat to the high pressure air leaving the compressor from the high-temperature exhaust gas leaving the turbine?
Answer
Correct Answer:
Brayton cycle
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62. What type of cycle is the Brayton cycle?
Answer
Correct Answer:
Open
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