©THEBRIGHT EXAM SOLUTIONS
11/05/2024 12:06 PM
BOMA-HVAC Exam Questions With
Correct Answers
The man whose work is considered the real beginning of the science of air-conditioning _____. -
answer✔Willis Carrier
Psychrometry refers to the relationship between _____ and _____. - answer✔Humidity; air
The amount of moisture in the air compared to how much it can hold is _____. - answer✔Relative
humidity
The human bodies well being depends upon the _____. - answer✔Bodies metabolism
The device used to determine the moisture content of air is the _____ - answer✔psychrometer
Of the fuels listed the one that is the most efficient is _____. - answer✔Gas
The effective temperature takes into consideration the effect of _____ and _____. - answer✔Humidity;
temperature
Air conditioning is the control of the _____, _____, _____ and _____. - answer✔Temperature, humidity,
purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - answer✔Nitrogen
Steam gives off a great amount of heat because of its _____. - answer✔Specific heat
The velocity of air moving thru a fan system is expressed in _____. - answer✔Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - answer✔1350 cfm
The following types of fans are classified as centrifugal fans. - answer✔Forward curved, radial and
backward curved
Select the statement that does not apply to backward inclined fans. - answer✔Has an overloading BHP
horse power curve.
The quantity of air moving thru a fan system is expressed in _____. - answer✔Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - answer✔Monometer
, ©THEBRIGHT EXAM SOLUTIONS
11/05/2024 12:06 PM
Air flow thru a duct has the highest _____. - answer✔Velocity near the center of the duct.
Select the statement which does not apply to the fan laws. - answer✔Static pressure in a duct increases
as the velocity decreases.
Variable air volume system feature is _____. - answer✔Varies the volume of air with space temperature
conditions
Double duct systems are _____. - answer✔?
The purpose of a primary control is to _____. - answer✔Start or stop the system
A pressurestat responds to _____. - answer✔System pressure
The oil safety switch is operated by _____. Oil pressure - answer✔
A low limit control _____. - answer✔?
A high limit control _____. - answer✔?
Limit controls _____. - answer✔Are wired into the circuit in series
A diulating switch is used to _____. - answer✔Change proportional action to two position control.
A ratio relay is used to _____. - answer✔Provide sequence control of more than one actuator.
A proportional control: - answer✔Where a movement from the set point produces a proportional
movement of the actuator
A three way diverting valve: - answer✔has two outlets and one common inlet
Heat will continue to flow between two bodies until they have the same amount of _____. -
answer✔Sensible heat
Heat which causes a change of state is _____. - answer✔Latent heat
The refrigeration effect of a refrigerant is improved by _____. - answer✔Subcooling the liquid.
In the refrigeration cycle, the medium that picks up the heat is the _____. - answer✔refrigerant.
A heat exchanger _____. - answer✔Subcools the liquid refrigerant
Calculations involving heat load of people takes into consideration heat due to _____ and _____. -
answer✔Latent heat; sensible heat
The flow control device used to maintain system temperature is the _____. - answer✔Evaporator
pressure valve
Enthalpy refers to the _____. - answer✔Heat content of the refrigerant
11/05/2024 12:06 PM
BOMA-HVAC Exam Questions With
Correct Answers
The man whose work is considered the real beginning of the science of air-conditioning _____. -
answer✔Willis Carrier
Psychrometry refers to the relationship between _____ and _____. - answer✔Humidity; air
The amount of moisture in the air compared to how much it can hold is _____. - answer✔Relative
humidity
The human bodies well being depends upon the _____. - answer✔Bodies metabolism
The device used to determine the moisture content of air is the _____ - answer✔psychrometer
Of the fuels listed the one that is the most efficient is _____. - answer✔Gas
The effective temperature takes into consideration the effect of _____ and _____. - answer✔Humidity;
temperature
Air conditioning is the control of the _____, _____, _____ and _____. - answer✔Temperature, humidity,
purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - answer✔Nitrogen
Steam gives off a great amount of heat because of its _____. - answer✔Specific heat
The velocity of air moving thru a fan system is expressed in _____. - answer✔Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - answer✔1350 cfm
The following types of fans are classified as centrifugal fans. - answer✔Forward curved, radial and
backward curved
Select the statement that does not apply to backward inclined fans. - answer✔Has an overloading BHP
horse power curve.
The quantity of air moving thru a fan system is expressed in _____. - answer✔Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - answer✔Monometer
, ©THEBRIGHT EXAM SOLUTIONS
11/05/2024 12:06 PM
Air flow thru a duct has the highest _____. - answer✔Velocity near the center of the duct.
Select the statement which does not apply to the fan laws. - answer✔Static pressure in a duct increases
as the velocity decreases.
Variable air volume system feature is _____. - answer✔Varies the volume of air with space temperature
conditions
Double duct systems are _____. - answer✔?
The purpose of a primary control is to _____. - answer✔Start or stop the system
A pressurestat responds to _____. - answer✔System pressure
The oil safety switch is operated by _____. Oil pressure - answer✔
A low limit control _____. - answer✔?
A high limit control _____. - answer✔?
Limit controls _____. - answer✔Are wired into the circuit in series
A diulating switch is used to _____. - answer✔Change proportional action to two position control.
A ratio relay is used to _____. - answer✔Provide sequence control of more than one actuator.
A proportional control: - answer✔Where a movement from the set point produces a proportional
movement of the actuator
A three way diverting valve: - answer✔has two outlets and one common inlet
Heat will continue to flow between two bodies until they have the same amount of _____. -
answer✔Sensible heat
Heat which causes a change of state is _____. - answer✔Latent heat
The refrigeration effect of a refrigerant is improved by _____. - answer✔Subcooling the liquid.
In the refrigeration cycle, the medium that picks up the heat is the _____. - answer✔refrigerant.
A heat exchanger _____. - answer✔Subcools the liquid refrigerant
Calculations involving heat load of people takes into consideration heat due to _____ and _____. -
answer✔Latent heat; sensible heat
The flow control device used to maintain system temperature is the _____. - answer✔Evaporator
pressure valve
Enthalpy refers to the _____. - answer✔Heat content of the refrigerant
