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Question:
Type I: Small appliances Type II: Medium Pressure appliances, High pressure appliances, Very high pressure appliances Type III: Low pressure appliances
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As the pressure on the refrigeration liquid increases, the boiling point of the refrigeration liquid _____.
Increases
What do disposable cylinders consist of?
One-way valve
Reclaimed refrigerant must meet the standard set forth in _______ before it can be resold.
ARI 700
Which the of the following refrigerants contributes to global warming?
All the mentioned refrigerants contributes
The temperature at which the refrigerant starts to evaporate is ______.
Bubble point
Refrigerants will be of high pressure hot vapor phase in which of the following lines?
Discharge line
When checking for leaks in a system, which of the following gas is used?
Nitrogen
Refillable cylinders at high pressure under ambient temperature must be hydrostatically tested and date stamped every ______ years.
5
Nitrogen constitutes ______ of the earth’s atmosphere.
78%
What has very low molecular weight?
Helium
Only _____ refrigerant can be transferred or sold to another individual.
Reclaimed
Ban on the production or import of any HCFC refrigerant will take effect from _____.
2020
Pressure Relief valves must be installed in which of the following arrangements?
Parallel
______ formed at the stratosphere is unstable and strips a free oxygen atom and then releases the chlorine ion which continues the chain reaction of destroying ozone molecules.
Chlorine monoxide
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