Questions and Answers
The rate at which a material is transported through a process line is typically expressed in terms of energy flow rate.
False
Density is used to convert mass flow rate to volume flow rate.
False
Process calculations require knowledge of the mass flow rates of process streams.
True
The specific volume of a substance is directly proportional to its density.
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The density of pure solids and liquids changes significantly with pressure.
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Specific gravity is defined as the ratio of the specific volume of a substance to the density of a reference substance.
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The most commonly used reference substance for calculating specific gravity is air at 25°C.
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A rotameter is a device used to measure the density of a fluid in a process line.
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Orifice meter is a device that measures the volumetric flow rate in a process line.
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What is the main constituent of a fuel according to the text?
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Which classification of fuels are derived from primary fuels?
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What is the main disadvantage of solid fuels mentioned in the text?
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Which advantage of solid fuels is NOT mentioned in the text?
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What is the main issue with the combustion operation of solid fuels according to the text?
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Which classification of fuel includes wood and coal?
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