A portable electric heater being used to heat a living room represents which system?
Correct!
Wrong!
The coefficient of performance (COP) of a refrigeration system generally increases with
Correct!
Wrong!
In an air conditioning and refrigeration system, what occurs in evaporator?
Correct!
Wrong!
In Fahrenheit, the boiling point of water is?
Correct!
Wrong!
Separation distance between exterior and interior element of split air-conditioning system is usually limited to around ______?
Correct!
Wrong!
In single zone systems, separate source and distribution equipment is typically chosen when air handlers need to be installed in_______?
Correct!
Wrong!
What is the thermostat used for?
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A Variable Air Volume (VAV) HVAC system changes the ______ of air supplied to a space in response to changes in loads.
Correct!
Wrong!
If full air-conditioning is considered, the most common delivery device is_______?
Correct!
Wrong!
Main delivery approach/approaches are used in air-water systems are
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Wrong!
Centralized water circulation loop is provided as ______for the heat pumps
Correct!
Wrong!