HVAC NCCER Module 1- Intro to HVAC Study Set fully solved graded A+

HVAC NCCER Module 1- Intro to HVAC Study Setshop drawing A(n) _____ shows how a specific portion of the work is to be done. be recycled before reuse Recovered refrigerant should _____. humidifier The main elements of a mechanical refrigeration system include all of the following except a(n) _____. elevations HVAC drawings typically include all of the following except _____. International Building Code(IBC) Local building codes are based on the _____. the refrigerant releases its heat at the condenser Which of the following occurs in an air conditioning system? condensate pumps Each of the following is a method used to maintain indoor air quality except _____. provides a pressure drop The expansion device in a cooling system _____. chlorine from destroying the Earth's ozone layer The purpose of regulating the handling and disposal of refrigerants is to prevent _____. CFC or HCFC refrigerant recovered from one system can be used in another system, regardless of system ownership Which of the following is an incorrect statement? refrigerant is warmer than the outdoor air Heat can be transferred from a refrigerant to the outdoors on a hot day because the hot water In a hydronic heating system, the medium that circulates in the building is _____. recovered If a refrigerant is removed from a system and held in a storage tank for return to the same system, it is said to have been _____. natural gas furnaces Which of these heating methods is most commonly used as a heat source in cold climates? absorb heat from the air or water The purpose of an evaporator in the refrigeration cycle is to _____. prohibited by federal law Releasing CFC and HCFC refrigerants or certain substitutes to the atmosphere is _____. reclaimed In order to be resold on the open market, a refrigerant must have been _____. false The primary purpose of a building code is to regulate the quality of all mechanical installation on a commercial site. structural The layout of the HVAC system ductwork is shown in the _____ plans. lowers the boiling point of the refrigerant entering the evaporator The expansion device _____.