Architectural scales are divided into fractions of feet.
Answer the following statement true (T) or false (F)
False
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One type of nonsinusoidal waveform is the _____.
a. square wave b. sine wave c. phase angle wave d. peak wave
Depending on where in the country the property is located, the ____________________ area may or may not be best located on the south side of the property
Fill in the blank(s) with correct word
How can many water-source heat pump systems be configured to supply hot domestic water?
A) By using de-superheating coils and water-circulating pumps built into many systems B) By lengthening the evaporator coil and attaching it to an electric hot-water heater C) By adjusting the power of the condenser and heat pump D) By adjusting the load EWT and LWT levels to a higher temperature, which ensures enough water for heating and domestic use
Defrost on a medium temperature case is normally accomplished:
A) By leaving the case fans operating and shutting off the compressor. B) Keeping the compressor running and bypassing hot gas to the evaporator. C) By shutting off the compressor and energizing electric defrost heaters.