The ________ is a unit of electrical pressure
A) Ohm B) Ampere C) Volt D) Coulomb
C
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The term blueprint is an old term used to refer to any set of _____.? ?
Fill in the blank(s) with the appropriate word(s).
Using a restrictor, liquid refrigerant can be charged into the low-side of the system with the system operating.
Answer the following statement true (T) or false (F)
Devices, such as thermostats, that open and close their contacts during the ____ operation of the system are referred to as operational controls.
A. normal B. initial C. most recent D. final
A walk-in refrigerator has the following conditions. Which remedy below would most likely solve the problem?
? Box temperature is up to 50°, ? the evaporator temperature is 40°, NORMAL (10° TD) ? the line leaving the evaporator is 50°, NORMAL (10° Superheat) ? the ambient is 70°, ? the condensing temperature is 100°, NORMAL (30° Condenser Split) ? and the liquid line is 90°. NORMAL (10° Subcooling) a. Adjust the TEV b. clean the condenser c. adjust the tstat d. add refrigerant