Level 1 Final Review Accurate 100%(GRADED A+)

Level 1 Final Review Accurate 100%(GRADED A+)Natural Gas Furnace - ANSWER Heating Method most commonly used as a heat source in cold climates Ultraviolet light - ANSWER Device used to maintain indoor air quality transfer heat from the air to the refrigerant - ANSWER purpose of evaporator in refrigerant cycle refrigerant is warmer than the outdoor air - ANSWER heat can be transferred from a refrigerant to the outdoors on a hot day because provides pressure drop - ANSWER expansion device in mechanical refrigeration system an explosion could occur under certain conditions - ANSWER oxygen is never used to purge an HVAC system because Heat Recovery Ventilators - ANSWER Device used for energy conservation mastic - ANSWER to reduce duct leakage, ducts can be sealed with recovered - ANSWER refrigerant removed from system and held in storage tank for return to same system is called international building code - ANSWER local buildings codes based on honesty - ANSWER refusing to cut corners on a job is example of loyalty - ANSWER speaking well of employer to others is example off