| 1. |
________________ is a water chilling process in which cooling of a solution is accomplished by the evaporation of a fluid (usually water), which is then absorbed by a different solution (usually lithium bromide), then evaporated under heat and pressure. |
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Adsorption process |
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Absorption chilling |
| 2. |
Air vent is a device that allows the release of non-condensable gases from a steam system. |
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True |
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False |
| 3. |
________________ is a measure of the concentration of carbonate, bicarbonate, and hydroxyl ion in water, usually expressed in equivalent ppm (parts per million) of calcium carbonate. |
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Biomass |
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Alkalinity |
| 4. |
________________ is the amount of heat required to raise the temperature of one pound of water one degree Fahrenheit; equal to 252 calories. |
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Boiler |
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British thermal unit |
| 5. |
Chlorination is the simultaneous production of electrical or mechanical work and thermal energy from a process, thus reducing the amount of heat or energy lost from the process. |
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True |
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False |
| 6. |
What does CHP stand for? |
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Combined Heat and Power |
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Combined Heat and Power |
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Combined Heat and Power |
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None of the above |
| 7. |
Combustion efficiency is the measure that represents the amount of fuel energy extracted from flue gases. |
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True |
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False |
| 8. |
______________ is a device that uses steam to strip feedwater of oxygen and carbon dioxide. |
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Condensate |
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Deaerator |
| 9. |
What does HVAC stand for? |
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Heating, Ventilation and Air Conditioning |
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Heating, Variety and Air Conditioning |
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Heavy, Ventilation and Air Conditioning |
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None of the above |
| 10. |
_______________ is the temperature to which a vapor must be cooled, in order for saturation or condensation to occur. |
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Evaporation point |
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Dew point |
| 11. |
_____________ in a combustion process is that amount of air present in excess of the theoretically required air for complete combustion. |
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Duty Air |
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Excess air |
| 12. |
What does LCC stand for? |
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Life Cycle Cost |
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Life Cycle Criteria |
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Light Cycle Cost |
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None of the above |
| 13. |
Greenhouse gas emissions are those gases, such as water vapor, carbon dioxide, tropospheric ozone, methane, and low-level ozone that are transparent to solar radiation, but opaque to long wave radiation, and which are believed to contribute to climate change. |
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True |
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False |
| 14. |
What does HRSG stand for? |
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Heat Recovery Steam Generator |
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Heat Recovery Standard Generator |
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Heat Radiant Steam Generator |
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None of the above |
| 15. |
______________ is the change in heat content that occurs with a change in phase and without change in temperature. |
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Heat Exchanger |
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Latent heat |
| 16. |
______________ is a general term applied to a relatively loose accumulation of material that has settled to the bottom of a boiler. |
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Stripper |
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Sludge |
| 17. |
_______________ is the amount of heat that flows through a specified area and thickness of a material over a specified period of time when there is a temperature difference of one degree between the surfaces of the material. |
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Relative humidity |
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Thermal conductivity |
| 18. |
Reboiler is a regulating flow rate by closing a valve in the system. |
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True |
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False |
| 19. |
_______________ is a device that converts the enthalpy of steam into mechanical work. |
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Thermal system |
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Turbine |
| 20. |
What does VFD stand for? |
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Variable Frequency Drive |
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Variable Frequency Development |
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Variety Frequency Drive |
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None of the above |
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