How will decreasing the size of a container holding gas, increasing the amount of gas in a container, or increasing the temperature of the gas in a container affect the gas in the container?
A) Each will increase the volume of the gas. B) Each will increase the pressure of the gas.
C) Each will decrease the volume of the gas. D) Each will decrease the pressure of the gas.
[Ques. 2] According to Pascal's law, what happens to the pressure of a propane tank as it empties?
A) The pressure increases toward the top of the tank.
B) The pressure remains uniform throughout the tank.
C) The pressure increases toward the bottom of the tank.
D) Pascal's law does not explain what happens to pressure.
[Ques. 3] The curved oval metal tube inside a gauge is called:
A) A Bourdon tube. B) A pressure transducer.
C) A strain gauge. D) A pressure tube.
[Ques. 4] According to Joe's pressure-temperature chart, the saturation temperature for 12 lb of pressure is 36.9F. The actual refrigerant temperature measured was 35.2F. What does this tell you about the refrigerant?
A) It is subcooled. B) It is superheated. C) It is supercooled. D) It is saturated.
[Ques. 5] How does additional pressure that is applied to a high-pressure gauge register when connected to a piece of equipment?
A) The fluid in the Bourdon tube moves to a higher position to indicate pressure.
B) The Bourdon tube rotates to indicate a change in pressure.
C) The Bourdon tube flattens out when the mechanical needle to shows pressure.
D) The Bourdon tube straightens out and moves the needle to indicate pressure.
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