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エネルギ〜管理に関する理解度をチェキ!

ぽっくり参った〜(略してポクッター)ファウンダーの◯◯◯ッチででん!

ちな、ネタいじりだけ集約したマガジンもあるんで見逃しチェキっちょw

ドロン希望の方は、ココから他の理解度チェキにバシルーラしちまお〜ぅ。

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Which of the following lighting systems is affected the least by a 10 percent reduction in voltage?

❎ Mercury lamps

❎ Incandescent lighting systems

⭕️ Fluorescent lighting systems

❎ High-intensity discharge lamps

❎ Low-intensity discharge lamps

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The manner in which an oil flows is known as its:

❎ atomization

❎ flash point

⭕️ viscosity

❎ pour point

❎ heating value

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In incandescent lamps:

⭕️ higher temperature is correlated with shorter life

❎ higher temperature is correlated with lower efficacy

❎ lower temperature is correlated with shorter life

❎ lower temperature is correlated with higher efficacy

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Which of the following variables is NOT considered in the calculation of a light loss factor?

❎ Depreciation of lamp lumen due to the buildup of dirt

❎ Rate at which lamps burn out

⭕️ Loss of lamps due to breakage

❎ Depreciation of the lamp lumen over time

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The seasonal efficiency of natural gas heating equipment is:

⭕️ about the same as the seasonal efficiency of oil heating equipment

❎ less than the seasonal efficiency of oil heating equipment

❎ greater than the seasonal efficiency of oil heating equipment

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With regard to a lighting system, what is the term for the quantity of visible light produced per quantity of power expended?

❎ Color temperature

⭕️ Efficacy

❎ Luminous intensity

❎ Color rendering

❎ Illuminance

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In which method of liquefaction is heat used to drive off the unstable elements of coal?

❎ Indirect liquefaction

⭕️ Pyrolysis

❎ Direct liquefaction

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Which wall of a building is the most important to insulate during the winter?

❎ South

⭕️ North

❎ West

❎ East

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When a utility company assigns a minimum power demand charge equal to 70 percent of the highest demand charge incurred by the customer during the past year, this is known as a:

⭕️ proportional charge

❎ variable demand clause

❎ electrical demand charge

❎ power factor discount

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Which of the following devices measures relative humidity?

❎ Suction pyrometer

❎ Barometer

⭕️ Psychrometer

❎ Thermometer

❎ Surface pyrometer

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Which of the following is an advantage of liquid-type solar collectors over air-type collectors?

❎ Liquid-type collectors are not as susceptible to corrosion

❎ Liquid-type collectors are not as susceptible to freezing

⭕️ Liquid-type solar collectors require less fan power

❎ Liquid-type solar collectors are more effective at generating hot air

❎ Leaks are not as severe a problem in liquid-type solar collectors

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For an average home, the standard number of air changes per hour is:

❎ 0.55

⭕️ 0.35

❎ 0.75

❎ 0.25

❎ 0.1

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Which of the following is a good strategy for conserving energy in an induction HVAC system?

⭕️ Decrease secondary water temperatures during the heating season

❎ Install static pressure controls

❎ Decrease the hot deck temperature and increase the cold deck temperature

❎ Install fan inlet damper control systems

❎ Set airflow to the minimum necessary levels

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Which type of steam trap is the most susceptible to wear?

❎ Float and thermostatic steam trap

⭕️ Disk steam trap

❎ Bellows thermostatic steam trap

❎ Inverted bucket steam trap

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In an Orsat apparatus, the gas remaining after the introduction of flue gas is assumed to be:

❎ carbon monoxide

❎ cuprous chloride

❎ potassium hydroxide

⭕️ nitrogen

❎ carbon dioxide

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