BOMA HVAC Pretest with Questions and Answers, Exams of Engineering

BOMA HVAC Pretest with Questions and Answers Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide ANSWER a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. sq.ft. d. none of the above ANSWER a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the pressure on the liquid refrigerant b. regulate the flow of refrigerant into the evaporator c. lower the boiling point of the refrigerant far enough below the temperature of the load to get the needed heat transfer rate d. all of the above ANSWER d. all of the above The wet-bulb depression is ____.