Exam 36: Refrigeration Applied to Air Conditioning

A dirty condenser coil can lead to ____.

A homeowner plans to build a house out in Las Vegas, Nevada, in the middle of the desert. It would be in his/her best interest to lower the "solar load," to locate most of the windows on the ____ sides of the house.

Air-conditioning equipment will perform at its best efficiency when running at full load.

If a high efficiency condensing unit is manufactured with a one-speed condenser fan motor, what is likely to happen if the system is operating during mild weather?

If a structure has no attic, there should be sufficient insulation in the roof to minimize the heat gain in the occupied space.

The return duct portion of an air handling system never needs to be insulated.

After being threaded many times, the screw holes in condenser cabinets may become oversized; if so, replace the screws with new ones of the same size.

The total heat content of infiltrated air of the same dry-bulb temperature may vary from one part of the country to another because of the difference in ____.

A compressor that uses a stationary vane is the ____________________ type.

On a package air-conditioning system, which refrigerant lines must be field-installed?

The solar load on a structure is the heat gain resulting from the ____.