Heat pumps can take advantage of the fact that subsoils are generally warmer in the winter and cooler in the summer than the atmospheric air
Indicate whether the statement is true or false
TRUE
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____________________ is a fungal infection with open wounds or sores on the mouth of reptiles
Fill in the blank(s) with correct word
What is an "air-over" motor?
A) A motor that is cooled by airflow over the motor B) A motor whose function is to blow air over the fan motor to cool it C) A motor that is designed for units with the fan located at the top of the unit D) A motor that is designed to be installed on the bottom of a fan unit
Examples of control devices include:
A) Compressors, thermostats, pressure switches, and heaters. B) Compressors, signal lights, and defrost timers. C) Thermostats, pressure switches, and humidistats. D) Motors, resistance heaters, and solenoid valves.
Of the four phases listed below, which one is only performed on an "as needed" basis?
A) Routine maintenance B) Operation check C) Prestart check D) Troubleshooting