The term "hex inverter" refers to ________
A) six inverters in a single package B) a six-input symbolic logic device
C) an inverter that has a history of failure D) an inverter which has six inputs
A
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By 1700, the most populous colony in English America was
A. Massachusetts. B. Virginia. C. New York. D. Pennsylvania. E. Maryland.
A three-phase 440-V, 51-kW, 60-kVA inductive load operates at 60 Hz and is wye-connected. It is desired to correct the power factor to 0.95 lagging. What value of capacitor should be placed in parallel with each load impedance?
What will be an ideal response?
Technician A says that checking refrigerant odor (HC smell) is a reliable way to check for contaminated refrigerant. Technician B says that refrigerant with more than 2% of a foreign refrigerant normally should be sent off for reclaiming or disposal. Who
is correct? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A single-zone constant-air-volume system is best suited for conditioning:
A) A building that needs close control of several different areas. B) An area with a big variation in load. C) The perimeter of a building. D) A building's core area.