The reference electrode of an ORP probe must be refilled periodically with _____
A) potassium hydroxide B) hydrochloric acid
C) potassium chloride D) a high pH buffer
C
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A GFCI sensor will trip when the _____.
a. current in the neutral load is less than the current in the hot load b. current in the neutral load is greater than the current in the hot load c. device gets wet d. current is less than the value established for a Class A device
What is the purpose of a system pressure differential bypass valve?
What will be an ideal response?
Peaches, cherries, plums, and apricots are examples of stone fruits
Indicate whether the statement is true or false
Which of the following is the correct order of the flow in the cooling cycle of an air-source heat pump?
A) Compressor, reversing valve, outdoor coil, indoor TEV, indoor coil, reversing valve B) Outdoor TEV, outdoor coil, reversing valve, compressor, reversing valve, indoor coil C) Compressor, reversing valve, indoor coil, outdoor TEV, outdoor coil, reversing valve D) Reversing valve, indoor coil, outdoor coil, outdoor TEV, compressor