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RAC 40 Quiz 1 review

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Physics - Thermodynamics

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user_pereira_de_andr Created by 7 mon ago

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Cards in this deck(25)
In _____ heat or hidden heat, heat is known to be added, but no temperature change is noticed.
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The pressure at sea level under standard conditions is _____ PSIA.
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The two common temperature scales used by air conditioning and refrigeration technicians are _____ and _____.
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The Fahrenheit absolute scale is called the _____ scale.
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Atmospheric pressure in inches of mercury (" Hg) decreases _____ per 1000 feet.
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A gauge that reads 0 psi when opened to the atmosphere is known as a _____ gauge.
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The Celsius absolute scale is called the _____ scale.
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The weight of a column of air at sea level at standard conditions is _____ psig.
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Heating the vapor temperature above the boiling point is called _____ heating.
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Heat that changes the temperature of a substance is called _____ heat.
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What is the difference between a mercury barometer and an aneroid barometer? A mercury barometer is _____ and not portable like an aneroid barometer.
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Conduction of heat causes one molecule to move rapidly, which then causes the other molecules around it to do the same. This process is known as _____.
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Radiation of heat is when radiation passes through a space and is absorbed by the first solid object that it hits. This process is called _____.
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A British thermal unit (Btu) is the amount of heat energy needed to change 1 lb of water by 1 degree. This is known as a _____.
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Convection of heat can occur in two ways: naturally or forced. It usually requires a fluid medium like liquid or vapor. This process is called _____.
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T/F: The difference in the level of heat between two substances will determine the heat transfer rate between the substances. This statement is _____.
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T/F: The difference in the volume of two substances will determine the heat transfer rate between the substances. This statement is _____.
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T/F: When water at 212°F boils, it is only absorbing latent heat. This statement is _____.
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T/F: Water at 0°F has no heat energy or molecular activity. This statement is _____.
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T/F: Temperature difference does not affect heat transfer rate. This statement is _____.
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T/F: The Fahrenheit scale is used in the English measurement system by the United States. This statement is _____.
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T/F: In order for water at 60°F to boil, it must absorb both sensible and latent heat. This statement is _____.
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T/F: Water boils at 212°C. This statement is _____.
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T/F: The law of thermodynamics can help us to understand what heat is all about. This statement is _____.
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T/F: Both sensible heat and latent heat transfers can be read with a thermometer. This statement is _____.
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