Boma Study guides, Class notes & Summaries

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 k...

HVAC Pretest BOMA Questions and Answers Rated A+ 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 a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above a. circulation The primary function of an expansion device is to ____. a. p...

BOMA General Maintenance

HVAC BOMA 501 Study Guide Latest Update Graded A+ Dual Duct System A system in which hot air and cold air are supplied by separate ducts and mixed at each controlled space to provide the desired supply air temperature. This method consumes a great deal of energy. Muiltizone System an a/c system in which the zone control is obtained by mixing hot and cold air at the unit in response to a room thermostat Load Calulations take the sensible heat and the latent heat into consideration ...

HVAC BOMA Pre-Quiz Latest Version with Complete Solutions Two basic categories of chillers are the _____. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____. Circulation The primary function of an expansion device is to _____. All of the above (produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator and lower the boiling point of the refrigerant far enoug...

Plant Operations BOMA Pre-Quiz 1-100 questions and answers

BOMA-HVAC QUESTIONS AND ANSWERS ALREADY GRADED A The man whose work is considered the real beginning of the science of air-conditioning _____. Willis Carrier Psychrometry refers to the relationship between _____ and _____. Humidity; air The amount of moisture in the air compared to how much it can hold is _____. Relative humidity The human bodies well being depends upon the _____. Bodies metabolism The device used to determine the moisture content of air is the _____ psychromet...

Plant Operations BOMA Pre-Quiz 1-100

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. . d. none of the above - Answer-a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the ...

Electric Motors Controls BOMA Pre-Quiz Latest Version Graded A+ How does a U.P.S. (Uninterruptible power supply) work? AC rectified to DC batteries then Inverted to AC Batteries energy capacity is measured in? Amp-hours Batteries have two rated values. Voltage and amp-hours How do you top off water in a battery cell? Distilled water when the level is below the plate. A voltage monitor relay is used for? Starting backup generators. Fuel for diesel generators is often stored ...