Which of the following could cause this condition?
A walk-in with TEV has the following conditions:
? Subcooling is 0°
? Superheat is 25°
a. Dirty condenser
b. Dirty or iced evaporator
c. Overcharge
d. Undercharge
d. Undercharge
? Subcooling is 0° LOW
? Superheat is 25° HIGH
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It is not uncommon to find motor control circuit wiring to start with the number ____ label.
a. 1 b. 2 c. 3 d. 4
Cuando el voltaje se limite a 300V a tierra, la separación mínima de los conductores de bajante de servicio sobre la propiedad residencial es de _____.
a. 6 pies (1,82 m) b. 8 pies (2,43 m) c. 12 pies (3,65 m) d. 15 pies (4,57 m)
Of the alternative fuels listed in the text, which has the highest octane?
A) Ethanol B) CNG C) Propane D) Methanol
What does the Y terminal on most heat pump thermostats control and when is it energized?
What will be an ideal response?