BOMA-HVAC Exam Questions and Answers With Verified Solutions 2025
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 _____ - ✔✔psychrometer
Of the fuels listed the one that is the most efficient is _____. - ✔✔Gas
The effective temperature takes into consideration the effect of _____ and _____. - ✔✔Humidity;
temperature
Air conditioning is the control of the _____, _____, _____ and _____. - ✔✔Temperature, humidity,
purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - ✔✔Nitrogen
Steam gives off a great amount of heat because of its _____. - ✔✔Specific heat
The velocity of air moving thru a fan system is expressed in _____. - ✔✔Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - ✔✔1350 cfm
, The following types of fans are classified as centrifugal fans. - ✔✔Forward curved, radial and backward
curved
Select the statement that does not apply to backward inclined fans. - ✔✔Has an overloading BHP horse
power curve.
The quantity of air moving thru a fan system is expressed in _____. - ✔✔Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - ✔✔Monometer
Air flow thru a duct has the highest _____. - ✔✔Velocity near the center of the duct.
Select the statement which does not apply to the fan laws. - ✔✔Static pressure in a duct increases as
the velocity decreases.
Variable air volume system feature is _____. - ✔✔Varies the volume of air with space temperature
conditions
Double duct systems are _____. - ✔✔?
The purpose of a primary control is to _____. - ✔✔Start or stop the system
A pressurestat responds to _____. - ✔✔System pressure
The oil safety switch is operated by _____. Oil pressure - ✔✔
A low limit control _____. - ✔✔?
A high limit control _____. - ✔✔?
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 _____ - ✔✔psychrometer
Of the fuels listed the one that is the most efficient is _____. - ✔✔Gas
The effective temperature takes into consideration the effect of _____ and _____. - ✔✔Humidity;
temperature
Air conditioning is the control of the _____, _____, _____ and _____. - ✔✔Temperature, humidity,
purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - ✔✔Nitrogen
Steam gives off a great amount of heat because of its _____. - ✔✔Specific heat
The velocity of air moving thru a fan system is expressed in _____. - ✔✔Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - ✔✔1350 cfm
, The following types of fans are classified as centrifugal fans. - ✔✔Forward curved, radial and backward
curved
Select the statement that does not apply to backward inclined fans. - ✔✔Has an overloading BHP horse
power curve.
The quantity of air moving thru a fan system is expressed in _____. - ✔✔Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - ✔✔Monometer
Air flow thru a duct has the highest _____. - ✔✔Velocity near the center of the duct.
Select the statement which does not apply to the fan laws. - ✔✔Static pressure in a duct increases as
the velocity decreases.
Variable air volume system feature is _____. - ✔✔Varies the volume of air with space temperature
conditions
Double duct systems are _____. - ✔✔?
The purpose of a primary control is to _____. - ✔✔Start or stop the system
A pressurestat responds to _____. - ✔✔System pressure
The oil safety switch is operated by _____. Oil pressure - ✔✔
A low limit control _____. - ✔✔?
A high limit control _____. - ✔✔?
