Why do both the International Mechanical Code and the International Residential Code require locking valve caps on all outdoor refrigerant access ports?
What will be an ideal response?
To limit access to the refrigerant to professionals servicing refrigeration systems in order to prevent the intentional inhaling of refrigerant.
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The two standards for pipe sizing are _____.
a. inner diameter and outer diameter b. industrial and commercial c. metric and Imperial d. IPS and CTS
When calculating the kW output of a resistive heating element, a correction factor is applied when the _____.
a. heater is cold b. heater is hot c. entering air temperature is higher than 65°F d. outdoor temperature is lower than 35°F
?A molecule of propane is made up of ____.
A. ?one propyl and one carbon atom B. ?one oxygen and one hydrogen atom C. ?two hydrogen and two carbon atoms D. ?eight hydrogen and three carbon atoms
What must each speaker do at an FFA Creed Speaking event?
What will be an ideal response?