When the load on the evaporator increases, the TXV ____.
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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____________________ is generally used to help the electrician interpret the meaning of certain components and find contacts that are controlled by coils.
Fill in the blank(s) with the appropriate word(s).
Technician A says that a gear reduction decreases torque. Technician B says that a gear reduction increases speed. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The minimum diameter of galvanized pipe allowed for a grounding electrode is _____.
a. 1/2" b. 3/4" c. 1" d. 1-1/4"
Technician A says that major sources of chemical dangers are from solvents containing chlorinated hydrocarbons. Technician B says that the use of heptane or xylene helps to protect the ozone layer. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician