When the load on the evaporator increases, the TX valve ____.
A. increases the flow of refrigerant
B. decreases the flow of refrigerant
C. maintains constant head pressure
D. decreases the pressure drop across the evaporator
Answer: A
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Fill in the blank(s) with the appropriate word(s).
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Eight resistances are connected in series as shown. The unit of measure for resistance is the ohm. The resistance in a series circuit is the sum of all resistances in that circuit. Find the total amount of resistance in the circuit.
A. 
B. 
C. 
D. 