HVAC FINAL Correct Questions & Answers(RATED A+)

A_____is the quantity of heat required to raise the temperature of I lb of water |°F. - ANSWER British thermal unit (BTU) Comfor is typically attained at normal cooling and heating temperatures with a relative humidity of about _____% - ANSWER 50% _________is the movement of air through distribution systems and building spaces. - ANSWER Air circulation ___________is the variation of air temperature in a building space that occurs when warm air rises to the ceiling and cold air drops to the floor. - ANSWER Temperature stratification _______is the process of removing particles and contaminants, such as gases and odors, from air that circulates through air distribution systems. - ANSWER Air filtration ________is the process of reducing air pollution by introducing enough fresh outdoor air into a building to dilute indoor pollutants. - ANSWER Ventilation Building HVAC systems typically use ______ or boilers to provide heating and air conditioners or chillers to provide cooling - ANSWER Furnace Air velocity of_____fpn in building spaces is considered ideal for comfort. - ANSWER 40 A ________HVAC unit is a self-contained building cooling unit that has the components contained in one cabinet. - ANSWER Packaged An________ refrigeration systemn includes an absorber, generator, condenser, orifice, and evaporator. - ANSWER Absorption A _______is a rule that has been made mandatory by a federal, state, or local government. - ANSWER Regulation The ______ is a federal government regulatory agency that requires all employers to provide a safe environment for their employees. - ANSWER Occupational Safety and Health Administration (OSHA) A ________is a set of regulations or minimum requirements related to a particular trade or environment - ANSWER Code The mission of the _