Power Plant Construction & QA/QC QA 212

Power Plant Construction Final Exam ACADs (08-006) Covered

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Supporting Material POWER PLANT CONSTRUCTION & QA/QC – QA 212

FINAL EXAM

Instructions

This is a closed book Final Examination. No materials, notes, texts, computers, droids or reference material is allowed. If, during the exam, you have a question, raise your hand and the instructor will come to you. If you need a break, close your exam and turn it face down. Only one person is allowed out of the room at a time.

There is only one correct answer per question. For Multiple Choice or True-False, circle the correct letter choice. For short answer, write in your answers after the letter.

Before starting the exam, read the exam from cover to cover. Fill in any information requested, leave the score blank. Prior to turning in your exam, verify that you have answered all questions. For this Final Examination, you may leave the room after completing your exam. Remain near the room in the event of any questions and for grading.

Good Luck!

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FINAL EXAM

Name: Date: Score:

1. The Liquid Penetrant method uses which of the following to detect defects?

A. Sound B. Radiation C. Magnetic Field D. Dye

2. The nuclear Fission Process is;

A. The joining of two lighter atoms B. The splitting of a large heavy atom C. The joining of two large heavy atoms D. The splitting of a light small atom

3. Which of the following Destructive Examination tests are used to qualify welders?

A. Bend Test B. Tensile Test C. Charpy V Notch Test D. Any of the above

4. The primary types of reactors used in the United States for electrical power production are which type?

A. Gas-cooled Reactors B. Heavy Water Reactors C. Light Water Reactors D. Graphite Reactors

5. Waste energy is generated by burning which type of fuel?

A. Spent Nuclear Fuel B. Municipal Solid Wastes C. Steel Manufacturing Wastes D. All of the above

FINAL EXAM

6. Bus Bars are typically made of which type of material?

A. Iron B. Steel C. Copper D. Molybdenum

7. Which of the following is generally the final level of project planning for building a Hydro Electric generating plant?

A. Information Inventory B. Feasibility Study C. Information Inventory D. None of the above

8. The typical weak points in a pressure vessel are which of the following?

A. Nozzles B. Bolted Joints C. Irregular Welded Joints D. All of the above

9. Which type of dam is the best suited for water depths of greater than 200 meters (600 ft)?

A. Earthen Dam B. Gravity Dam C. Arch Dam D. Buttress

10. Typically, Pumped Storage dams generate electrical power during;

A. Off peak demand during the day B. Off peak demand during the night C. Peak demand during the night D. Peak demand during the day

FINAL EXAM

11. Which of the following characteristics provide governing control of hydro turbines?

A. Turbine Speed B. Electrical Load C. Turbine Voltage D. Both A and B above

12. Hydro electric power transformers are used for which of the following to reduce transmission losses?

A. Increase Voltage to reduce amperage B. Increase amperage to reduce voltage C. Increase frequency to reduce voltage D. Increase frequency to reduce amperage

13. Diesel Generators and what other power source is used during emergencies?

A. Water Conductivity B. Batteries C. Capacitors D. All of the above

14. When a nuclear reactor is stable while operating at power, the reactor core is ;

A. Critical B. Super Critical C. Sub Critical D. All of the above

15. One of the major advantages of nuclear power generation of most other types is that 10 million times more energy is produced than burning 1 carbon atom in fossil fuels.

A. True B. False

16. Space Solar Power transmission to earth involve what form of power transmission down to the earth?

A. Heat B. Light C. Microwaves D. Radioactive Energy

FINAL EXAM

17. Cracking is one of the material failure modes that is caused by;

A. Manufacturing Stresses B. Corrosive Environment C. Fatigue D. All of the above

18. Which of the following is the methodology of operation for Geothermal Power generation?

A. Direct Steam B. Flash Steam C. Binary D. All of the above

19. To maintain the supply of superheated water or steam for Geothermal Power generation, water that is condensed from steam from the Steam Turbine is injected back into the ground near the supply well.

A. True B. False

20. Wind is generated as a result of;

A. Earth’s rotation B. Hot air rising from the ground C. Heat transfer from the Earth’s equatorial regions to the polar regions D. None of the above

21. The primary type of Non Destructive Examination used on weld joints when constructing a pressure vessel is?

A. Visual B. Surface C. Volumetric D. None of the above

FINAL EXAM

22. Fuel Cell plants use which type fuel to generate power?

A. Helium B. Hydrogen C. Hafnium D. Hematite

23. Environmental Legislation and Regulation is the responsibility of which governmental group?

A. EPA B. NRC C. ERDA D. CIA

24. Power Plant air emissions controls consist of;

A. Electrostatic Precipitators B. Flue Gas Treatment C. Nitrous Oxide Controls D. All of the above

25. Water Emission Controls are needed for which type of Power Plant water systems;

A. Cooling B. Process C. Service D. Both A and B above

26. Which governmental organization establishes the Noise Exposure Limits at 90 dB for an 8 hour period?

A. NRC B. NEI C. OSHA D. ERDA

FINAL EXAM

27. Which of the following methods is typically used to weld thick pressure vessel sections together?

A. Tungsten Inert Gas Welding B. Shielded Metal Arc Welding C. Submerged Arc Welding D. Gas Metal Arc Welding

28. The primary means of reducing power plant noise is by which of the following?

A. Barriers B. Mufflers C. Enclosures D. All of the above

29. Which Code of Federal Regulation governs Nuclear Power Plants?

A. Title 10 B. Title 100 C. Title 39 D. Title 47

30. When considering the construction of a Hydroelectric Dam and Power Plant, which of the following would be a downstream consideration?

A. Winter Habitat B. Lost Land C. Cities D. Oxygenation

31. Underground water conductors from the Reservoir to the Water Turbines is primarily made from;

A. Brick B. Copper C. Plastic D. Steel

FINAL EXAM

32. Considering dam auxiliaries, the isolation valves in a Hydroelectric Dam that are used for maintenance are either a Butterfly type or Ball type valve.

A. True B. False

33. Solar Power generation in space would convert which type of energy into microwaves?

A. Heat B. Light C. Solar Flares D. Neutrinos

34. One of the problems with the development of space based Solar Power energy generation is;

A. No health impacts to flora or fauna B. Free launch vehicles C. High development costs D. 1000 year life cycle

35. The fuel source for a Geo Thermal Power Plant costs more than cost of nuclear fuel.

A. True B. False

36. The Wind Power Generators can take many different shapes to best utilize the available wind.

A. True B. False

37. For Bio Mass Power Generation, which type of equipment is used to move the fuel to different locations?

A. Conveyor Belts B. Screw Feeders C. Pneumatic Tubing D. Vibrating Belts E. All of the above

FINAL EXAM

38. In comparison to a typical Fossil Fuel Power Plant, a Fuel Cell plant has how many pounds of gas emissions per 1000 kWh of operation;

A. Less than 0.5 B. More than 1 C. More than 1 D. Less than 0

39. When considering air pollutants, one of the major greenhouse gases is;

A. Hydrogen B. Sulfur Sulfate C. Smog D. Methane

40. The most effective means of cleaning power plant effluent discharge water is;

A. Ion Exchange B. Reverse Osmosis C. Sand Filtration D. None of the above

41. Which of the following types of disposal of ash from a Coal fired Power Plant is currently in use?

A. Wet disposal B. Burial C. Manufactured products D. All of the above

42. Nuclear reactors that are used for power generation use which isotope for fuel?

A. Polonium B. Americium C. Uranium D. Californium

43. Water can exist in which of the following states?

A. Solid B. Gas C. Liquid D. All of the above

FINAL EXAM

44. When considering the construction of a power plant, which of the following should be performed?

A. Property Line Identification B. Feasibility Study C. Elimination of Local Wildlife D. Number of Local Bars Available

45. Which of the following power generation types make up the base load for the grid?

A. Nuclear, Solar, Wind Energy B. Hydroelectric, Nuclear, Coal C. Coal, Natural Gas, Solar Cell D. Geothermal, Oil, Natural Gas

46. Which of the following are used to generate steam?

A. BWR Nuclear Reactor B. Coal Fired Boiler C. Natural Gas Boiler D. All of the above

47. Which of the following Boiler Accessories is needed to operate the boiler?

A. Uranium B. Fire Brick C. Burners D. None of the above

48. Which type of power production generated more than 50% of the electrical energy in the US 1994?

A. Nuclear B. Hydroelectric C. Natural Gas D. Coal

FINAL EXAM

49. In the US, the primary type of transportation of coal to the power plant is by what means?

A. Semi Truck B. Rail Car C. Ocean Freighter D. Air Transportation

50. Power plant excess heat is rejected to which of the following locations?

A. River B. Ocean C. Lake D. Atmosphere E. All of the above

51. The amount of hydroelectric energy that can be obtained from water is based on which factors?

A. Height and Weight B. Weight and Clarity C. Height and Volume D. Volume and Clarity

52. Cooling towers that depend on heat rising to move air are which type of tower?

A. Natural Draft B. Forced Draft C. Mechanical Draft D. Air

53. Cooling Towers can be constructed of which materials?

A. Concrete B. Metal C. Wood D. Any of the above

FINAL EXAM

54. Geothermal energy production uses heat from which source?

A. Sun B. Water C. Earth D. Air

55. Biomass energy production comes from burning which type of fuel?

A. Forest and forest residue B. Agricultural waste C. Urban wood wastes D. All of the above

56. For river water treatment, which of the following needs to be removed from the water before the water is used in the boiler?

A. Chloride B. Turbidity C. Nitric Acid D. All of the above

57. The amount of Wind Power that can be produced is directly related to which factor?

A. Wind Direction B. Temperature C. Height of Turbine D. None of the above

58. Which type of water treatment is primarily used for Condensate Polishing?

A. Sand Bed B. Ion Exchange C. Activated Charcoal D. None of the above

59. Which type of turbine uses both fixed and moving blades?

A. Impulse Turbine B. Reaction Turbine C. Water Turbine D. All of the above

FINAL EXAM

60. Steam Turbine blades increase in length from the inlet to the exhaust to get the same amount of work from the steam as the previous blade set?

A. True B. False

61. Wind turbines use a gearbox to perform which of the following?

A. Decrease the speed of the turbine to a speed which is usable by the generator. B. Increase the speed of the turbine to a speed which is usable by the generator. C. Maintain the speed of the turbine to prevent fluctuations in the generator. D. None of the above.

62. Gas Turbine blades decrease in size in the compressor to increase the pressure of the air?

A. True B. False

63. Which of the following operates at very high (>3600) revolutions per minute?

A. Hydraulic Turbine B. Steam Turbine C. Gas Turbine D. Wind Turbine

64. Which type of fuel can be used in a Gas Turbine?

A. Kerosene B. Natural Gas C. Fuel Oil D. All of the above

65. Which of the following types of hydraulic turbine is classified as an Impulse type turbine?

A. Pelton B. Turgo C. Cross-Flow D. All of the above

66. In the power generation industry, the majority of oil and gas fired reciprocating engines that turn generators are used for which application?

FINAL EXAM

A. Base Load to the Grid B. Emergency Power C. Excitation energy for the main generator D. None of the above

67. One of the purposes of Busways is to?

A. Transmit large amount of current and voltage B. Eliminate any heat loss during transmission C. Allow easy connection with wires D. All of the above

68. Bus Ways and Bus Bars are typically used when transmitting current more than;

A. 100 amps B. 400 amps C. 800 amps D. 1600 amps

69. Cables and wires are typically made of which types of materials?

A. Steel and Copper B. Copper and Aluminum C. Iron and Copper D. Molybdenum and Vanadium

70. The water conductors that convey the water from the reservoir to the turbine use which method of conveying the water?

A. Canals B. Intakes C. Tunnels D. Penstocks E. All of the above based on the dam design

FINAL EXAM

71. Dam powerhouses are based on the design of the dam and are identified as which of the following?

A. Integral Intake B. Conventional Surface C. Underground D. All of the above

72. What type of insulation can be used on cables?

A. Varnished cloth B. Thermoplastic compounds C. Mineral Insulation D. All of the above

73. To protect wires and cables from damage and provide support, they are routed in;

A. Cable Trays B. Conduit C. Underground piping D. All of the above

74. Typically electrical and instrumentation wiring and power cables are run in separate conduit or cable trays to prevent inducting a false signal in the instrument wiring from the power wiring.

A. True B. False

75. The primary parameters that are measured in power plants are;

A. Temperature B. Pressure C. Level D. Flow E. All of the above

FINAL EXAM

76. Which is the most common fluid used in thermometers in a power plant?

A. Water B. Mercury C. Alcohol D. Glycerin

77. Reactors produce heat to boil water from which sources?

A. Fission B. Decay Heat C. Neutron Collision D. Gamma Attenuation E. All of the above

78. Metallic Thermocouples are constructed of how many different types of metals?

A. 1 B. 2 C. 3 D. 4

79. Resistance thermometers are based on measuring the resistance of current flow to indicate a temperature.

A. True B. False

80. Flow is measured by the differential pressure before and after which of the following?

A. Venturi B. Orifice Plate C. Flow Nozzle D. All of the above

81. Which method is the most common for remotely measuring level?

A. Gage Glass B. Direct Pressure C. Differential Pressure D. Temperature

FINAL EXAM

82. What is the most common type of pressure gage mechanism used to measure pressure?

A. Bimetallic metals B. Sealed Liquids C. Bourdon Tubes D. Resistance Bridges

83. Newer Coal plant Burner Control Systems typically use which variables to control prime mover speed;

A. Steam Pressure B. Steam Flow C. Air Flow D. Fuel Flow E. All of the above

84. Geothermal Power generation is accomplished by extracting which of the following?

A. Superheated water that is flashed to steam for a steam turbine B. Superheated steam that is directed to a steam turbine C. Steam from a heat exchanger that is piped to a steam turbine D. All of the above

85. The Human-Machine Interface is a term that describes the communication between the;

A. Operator and process computer B. Operator and industrial process C. Operator and internet D. Industrial Process and process computer

86. The current type of human-machine interface that is the most common in the power industry is;

A. The centralized control room B. Decentralized control locations C. Internet to home office D. None of the above

FINAL EXAM

87. The first committee of the ASME Code was formed in what year?

A. 1865 B. 1905 C. 1911 D. 1914

88. Which of the following are fissile materials that will fission after absorbing a neutron?

A. Uranium 235 B. Plutonium 239 C. Uranium 233 D. All of the above

89. The first ASME Code was published in what year?

A. 1865 B. 1905 C. 1911 D. 1914

90. The current 2010 edition of the ASME Code consists of how many volumes?

A. 8 B. 5 C. 10 D. 12

91. Section VIII of the ASME Code is titled as which of the following?

A. Rules for the Construction of Pressure Vessels B. Rules for the Construction of Power Boilers C. Rules for the Construction of Nuclear Facility Components D. None of the above

FINAL EXAM

92. The primary failure mechanisms in a pressure vessel are due to which of the following?

A. Corrosion B. Erosion C. Stress D. All of the above

93. Too be eligible to manufacture pressure vessels and receive a Code Certificate, a manufacturer must have a demonstrated and approved;

A. Quality Control System B. Qualified Welding Process C. OSHA Authorization D. None of the above

94. Stick arc welding is properly known as which of the following?

95. MIG arc welding is properly known as which of the following?

96. TIG arc welding is properly known as which of the following?

FINAL EXAM

97. SAW arc welding is properly known as which of the following?

98. The Radiographic method uses which of the following to detect defects?

99. The Ultrasonic method uses which of the following to detect defects?

100. The Eddy Current method uses which of the following to detect defects?

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