The remote units that utilize the chilled water for the cooling of individual areas are called ____.
A. package through-the-wall air conditioners (PTAC)
B. fan coil units
C. window air conditioners
D. both a and b
Answer: B
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The armature current must be limited by an external resistor or a ____ rheostat.
a. liquid b. constant c. disc d. starting
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The tubing that carries heat-laden refrigerant gas from the evaporator to the compressor is known as the _____.
a. discharge line b. liquid line c. hot gas line d. suction line
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Soil tests for ____ are usually unreliable
A) phosphorus B) nitrogen C) ?potassium D) calcium
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The ignition transformer provide
A) 120 to 240 volts AC to the electrodes B) 8,000 to 15,000 volts DC to the electrodes C) 8,000 to 15,000 volts AC to the electrodes D) 120 to 240 volts DC to the electrodes
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