1|Page
HVAC BOMA 501 EXAM || MOST RECENT EXAM
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
Two basic categories of chillers are the - Answer-
compression cycle and absorption
The five requirements for comfort are proper temperature,
humidity, filtration, and ventilation - Answer-circulation
The primary function of an expansion device is to -
Answer-produce a reduction in the pressure on the liquid
refrigerant, regulate the flow of refrigerant into the
evaporator, lower the boiling point of the refrigerant far
enough below the temperature of the load to get the
needed heat transfer rate
The wet-bulb depression is - Answer-the difference
between the dry-bulb and wet-bulb temperatures
,2|Page
The dew-point temperature is the - Answer-temperature
when the moisture begins to condense out of the air
How many BTUs are required to change one pound of ice
at 20°F to steam at 220°F? - Answer-1,304 Btu/h
If an R-12 refrigeration system is operating with a 25.4
PSIG suction pressure, what is the evaporator superheat
if the evaporator outlet temperature is 34°F? - Answer-9°F
On an R-11 or R-123 system, the refrigerant removal
process normally starts with the removal of - Answer-liquid
refrigerant
The condenser in a refrigeration system - Answer-de-
superheats the vapor from the compressor, condenses the
vapor from the compressor, sub-cools the liquid refrigerant
before it leaves the condenser
The human body gives off heat by which of the following? -
Answer-convection, radiation, and conduction
, 3|Page
If the temperature remains constant and the volume that a
gas occupies increases, the pressure will - Answer-
decrease
Transformers are rated using - Answer-volt-amperes
Measuring velocity pressure in a duct indicates the -
Answer-speed at which the air is moving
A solid material exerts a pressure or force - Answer-
downward only
Pure water boils at a temperature of 212°F at which of the
following standard conditions? - Answer-14.967 psi
Which of the following would allow a system to operate
more efficiently? - Answer-condenser that had refrigerant
leaving with 15° of subcooling
One watt of electrical energy is equal to - Answer-3.413
Btu
HVAC BOMA 501 EXAM || MOST RECENT EXAM
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
Two basic categories of chillers are the - Answer-
compression cycle and absorption
The five requirements for comfort are proper temperature,
humidity, filtration, and ventilation - Answer-circulation
The primary function of an expansion device is to -
Answer-produce a reduction in the pressure on the liquid
refrigerant, regulate the flow of refrigerant into the
evaporator, lower the boiling point of the refrigerant far
enough below the temperature of the load to get the
needed heat transfer rate
The wet-bulb depression is - Answer-the difference
between the dry-bulb and wet-bulb temperatures
,2|Page
The dew-point temperature is the - Answer-temperature
when the moisture begins to condense out of the air
How many BTUs are required to change one pound of ice
at 20°F to steam at 220°F? - Answer-1,304 Btu/h
If an R-12 refrigeration system is operating with a 25.4
PSIG suction pressure, what is the evaporator superheat
if the evaporator outlet temperature is 34°F? - Answer-9°F
On an R-11 or R-123 system, the refrigerant removal
process normally starts with the removal of - Answer-liquid
refrigerant
The condenser in a refrigeration system - Answer-de-
superheats the vapor from the compressor, condenses the
vapor from the compressor, sub-cools the liquid refrigerant
before it leaves the condenser
The human body gives off heat by which of the following? -
Answer-convection, radiation, and conduction
, 3|Page
If the temperature remains constant and the volume that a
gas occupies increases, the pressure will - Answer-
decrease
Transformers are rated using - Answer-volt-amperes
Measuring velocity pressure in a duct indicates the -
Answer-speed at which the air is moving
A solid material exerts a pressure or force - Answer-
downward only
Pure water boils at a temperature of 212°F at which of the
following standard conditions? - Answer-14.967 psi
Which of the following would allow a system to operate
more efficiently? - Answer-condenser that had refrigerant
leaving with 15° of subcooling
One watt of electrical energy is equal to - Answer-3.413
Btu
