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BOMA HVAC Exam Study Material with Questions and Answers, Exams of Engineering
BOMA HVAC Exam Study Material with Questions and Answers What happens when room temperature soda is poured into a glass of ice ? ANSWER The ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system ANSWER pumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . ANSWER pressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture . This is known as ANSWER Dalton's Law When moisture is present in a refrigeration system , it will react with the refrigerant and the oil to form_ ANSWER acid A direct expansion - type evaporator is also called a ANSWER dry-type evaporator Positive displacement compressors have crankcase heat to ANSWER prevent refrigerant migration to the compressor If the power element of a TX valve loses its charge the ANSWER refrigerant flow to the coil will stop
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2023/2024
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