International Mechanical Code Exam Questions and Answers Already Passed

International Mechanical Code Exam Questiona and Answers Already Passed High Heat Appliance definition - Answers products of combustion have a temperature greater than 2000F Brazing melting point - Answers above 1000F BTU - Answers heat required to heat one pound of water 1F Class II combustible liquid - Answers closed cup flash point between 100F and 140F Class IIIA combustible liquid - Answers flash point between 140F and 200F Class IIIB combustible liquid - Answers closed cup flash point at or above 200F Class i Flammability refrigerants - Answers refrigerants that don't show flame propigation when tested in 14.7 psia and 70F Class ii flammability refrigerants - Answers refrigerants with lower flammability limit of over .00625 lb/ft^3 and a heat of combustion of 8174 btu/lb Class iii flammability refrigerants - Answers LFL less than or equal to .00625 lb/ft^3 or a heat of combustion greater than or equal to 8174 btu/lb Class IA flammable liquid - Answers flash point below 73F and boiling point below 100F Class IB flammable liquid - Answers flash point below 73F and boiling point at or above 100F Class IC flammable liquid - Answers flash point at or above 73F and below 100F Type I hood - Answers collects and removes grease vapors and smoke Type II hood - Answers collects and removes steam, vapor, heat, odors, and products of combustion Soldering joint temperature range - Answers melt between 400F and 1000F Modular boiler input rating - Answers 400,000 BTU/h gas 3 GPM gas 115 kW electric quick opening valve - Answers a valve that requires at 1/4 turn or less to open Automatic vent damper device - Answers A device that opens venting system when appliance is in operation and closes it automatically when appliance is in standby or shut down Fuel fired appliance prohibited locations - Answers sleeping rooms, bathrooms, toilet rooms, storage closets, surgical rooms Ignition source minimum elevation - Answers 18 inches Louver Free area requirement - Answers Wooden: 25% Metal: 75% When is ventilation required - Answers when air infiltration rate in a dwelling is 5 air changes per hour when tested Air intake size range in non-residential occupancies - Answers between (not including) 1/4" and 1" Ventilation rate of uninhabited spaces - Answers not less than 0.02 CFM per square foot exhaust opening screen size range - Answers between 1/4" and 1/2" inclusive Type II dry cleaning system ventilation rate - Answers 1 cubic foot of air per minute for each square foot of floor area Type IV and V dry cleaning system ventilation rate - Answers 100 feet per minute through the loading door when opened can exhaust duct penetrate fire walls? - Answers no Can exhaust duct have a fire damper? - Answers no Fan material for fans in contact with flammable things? - Answers nonferrous or non-s