Gauges that do not read ____ when the pressure is released must be repaired or replaced.
A. 0 psig
B. 14 psig
C. 45 psig
D. 100 psig
Answer: A
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Answer the following statement(s) true (T) or false (F)
A. The impact of the Poynting correction factor on the fugacity decreases as the pressure increases. B. The mixture fugacity coefficient is a dimensionless quantity. C. Statistical mechanics has been used to develop non-cubic equations of state. D. None of the above are false. E. All of the above are false.
Changes in the volume of a gas can happen:
A) Only if there is a change in barometric pressure. B) Anytime the ambient temperature changes and the volume of the container doesn't change. C) Only if the size of the container changes. D) Whenever there is a change in temperature.
What is a common use for wood screws and sheetrock screws in HVACR work?
What will be an ideal response?
.Refrigerant characteristics shown on a pressure-enthalpy diagram include:
A) Valence, atomic number, and specific volume. B) Pressure, heat, and temperature. C) Molecular weight, specific heat factor, and density. D) Molecular weight, valence, specific gravity, and atomic number.