ABSA 4b

Warm Air Heating System Equipment In a warm air heating system the cold air return registers are located a) in exterior walls b) in interior locations c) under windows d) in floors e) in ceilings B The major disadvantage of an electric resistance coil furnace

Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers

Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers

Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers

Which of the following pump designs has a spiral casing with an increasing cross sectional area? 1. rotary pump 2. rotary gear pump 3. rotary lobe pump 4. reciprocating pump 5. volute pump 5. volute pump A clear line of sight to the flame is required by a(n): 1. Flame scanner 2. Thermopile 3. Flame rod