BOMA HVAC Study Test UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Two basic categories of chillers - CORRECT ANSWER - Compression cycle and
absorption
Five requirements for comfort - CORRECT ANSWER - Proper temperature, humidity,
filtration, circulation, and ventilation
Primary function of an expansion device - CORRECT ANSWER - Regulate the flow of
refrigerant into the evaporator
Wet-bulb depression - CORRECT ANSWER - The difference between the dry-bulb and
wet-bulb temperatures
Dew-point temperature - CORRECT ANSWER - Temperature when the moisture begins
to condense out of the air
Btus required to change ice to steam - CORRECT ANSWER - 2,608 Btu/h
Evaporator superheat calculation - CORRECT ANSWER - 59°F
Start of refrigerant removal process - CORRECT ANSWER - Liquid refrigerant
Condenser in a refrigeration system - CORRECT ANSWER - Desuperheats the vapor
from the compressor
, Heat transfer methods of the human body - CORRECT ANSWER - Convection, radiation,
conduction
Effect of gas volume increase on pressure - CORRECT ANSWER - Decrease
Rating of transformers - CORRECT ANSWER - Volt-amperes
Measurement of velocity pressure in a duct - CORRECT ANSWER - Speed at which the
air is moving
Pressure exerted by a solid material - CORRECT ANSWER - In all directions
Standard boiling temperature of pure water - CORRECT ANSWER - 212°F
Efficiency improvement in a system - CORRECT ANSWER - Condenser that had
refrigerant leaving with 10° of subcooling
Conversion of one watt of electrical energy - CORRECT ANSWER - 3.413 Btu
Primary use of rotary compressors - CORRECT ANSWER - Large industrial refrigeration
and air conditioning systems
Cleaning requirement for water circuits in condensers - CORRECT ANSWER -
Chemically
Function of a water regulating valve - CORRECT ANSWER - Modulate the water flow
Standard atmospheric pressure at sea level - CORRECT ANSWER - 29.92" Hg
ACTUAL Exam Questions and CORRECT
Answers
Two basic categories of chillers - CORRECT ANSWER - Compression cycle and
absorption
Five requirements for comfort - CORRECT ANSWER - Proper temperature, humidity,
filtration, circulation, and ventilation
Primary function of an expansion device - CORRECT ANSWER - Regulate the flow of
refrigerant into the evaporator
Wet-bulb depression - CORRECT ANSWER - The difference between the dry-bulb and
wet-bulb temperatures
Dew-point temperature - CORRECT ANSWER - Temperature when the moisture begins
to condense out of the air
Btus required to change ice to steam - CORRECT ANSWER - 2,608 Btu/h
Evaporator superheat calculation - CORRECT ANSWER - 59°F
Start of refrigerant removal process - CORRECT ANSWER - Liquid refrigerant
Condenser in a refrigeration system - CORRECT ANSWER - Desuperheats the vapor
from the compressor
, Heat transfer methods of the human body - CORRECT ANSWER - Convection, radiation,
conduction
Effect of gas volume increase on pressure - CORRECT ANSWER - Decrease
Rating of transformers - CORRECT ANSWER - Volt-amperes
Measurement of velocity pressure in a duct - CORRECT ANSWER - Speed at which the
air is moving
Pressure exerted by a solid material - CORRECT ANSWER - In all directions
Standard boiling temperature of pure water - CORRECT ANSWER - 212°F
Efficiency improvement in a system - CORRECT ANSWER - Condenser that had
refrigerant leaving with 10° of subcooling
Conversion of one watt of electrical energy - CORRECT ANSWER - 3.413 Btu
Primary use of rotary compressors - CORRECT ANSWER - Large industrial refrigeration
and air conditioning systems
Cleaning requirement for water circuits in condensers - CORRECT ANSWER -
Chemically
Function of a water regulating valve - CORRECT ANSWER - Modulate the water flow
Standard atmospheric pressure at sea level - CORRECT ANSWER - 29.92" Hg
