BOMA-HVAC UPDATED ACTUAL Exam
Questions and CORRECT Answers
The man whose work is considered the real beginning of the science of air-conditioning _____. -
CORRECT ANSWER Willis Carrier
Psychrometry refers to the relationship between _____ and _____. - CORRECT
ANSWER Humidity; air
The amount of moisture in the air compared to how much it can hold is _____. - CORRECT
ANSWER Relative humidity
The human bodies well being depends upon the _____. - CORRECT ANSWER Bodies
metabolism
The device used to determine the moisture content of air is the _____ - CORRECT
ANSWER psychrometer
Of the fuels listed the one that is the most efficient is _____. - CORRECT ANSWER Gas
The effective temperature takes into consideration the effect of _____ and _____. - CORRECT
ANSWER Humidity; temperature
Air conditioning is the control of the _____, _____, _____ and _____. - CORRECT
ANSWER Temperature, humidity, purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - CORRECT
ANSWER Nitrogen
, Steam gives off a great amount of heat because of its _____. - CORRECT
ANSWER Specific heat
The velocity of air moving thru a fan system is expressed in _____. - CORRECT
ANSWER Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - CORRECT
ANSWER 1350 cfm
The following types of fans are classified as centrifugal fans. - CORRECT
ANSWER Forward curved, radial and backward curved
Select the statement that does not apply to backward inclined fans. - CORRECT
ANSWER Has an overloading BHP horse power curve.
The quantity of air moving thru a fan system is expressed in _____. - CORRECT
ANSWER Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - CORRECT
ANSWER Monometer
Air flow thru a duct has the highest _____. - CORRECT ANSWER Velocity near the
center of the duct.
Select the statement which does not apply to the fan laws. - CORRECT ANSWER Static
pressure in a duct increases as the velocity decreases.
Variable air volume system feature is _____. - CORRECT ANSWER Varies the volume
of air with space temperature conditions
Double duct systems are _____. - CORRECT ANSWER ?
Questions and CORRECT Answers
The man whose work is considered the real beginning of the science of air-conditioning _____. -
CORRECT ANSWER Willis Carrier
Psychrometry refers to the relationship between _____ and _____. - CORRECT
ANSWER Humidity; air
The amount of moisture in the air compared to how much it can hold is _____. - CORRECT
ANSWER Relative humidity
The human bodies well being depends upon the _____. - CORRECT ANSWER Bodies
metabolism
The device used to determine the moisture content of air is the _____ - CORRECT
ANSWER psychrometer
Of the fuels listed the one that is the most efficient is _____. - CORRECT ANSWER Gas
The effective temperature takes into consideration the effect of _____ and _____. - CORRECT
ANSWER Humidity; temperature
Air conditioning is the control of the _____, _____, _____ and _____. - CORRECT
ANSWER Temperature, humidity, purity and distribution of air.
The element that makes up the greatest percentage by volume of air is _____. - CORRECT
ANSWER Nitrogen
, Steam gives off a great amount of heat because of its _____. - CORRECT
ANSWER Specific heat
The velocity of air moving thru a fan system is expressed in _____. - CORRECT
ANSWER Feet per minute
What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? - CORRECT
ANSWER 1350 cfm
The following types of fans are classified as centrifugal fans. - CORRECT
ANSWER Forward curved, radial and backward curved
Select the statement that does not apply to backward inclined fans. - CORRECT
ANSWER Has an overloading BHP horse power curve.
The quantity of air moving thru a fan system is expressed in _____. - CORRECT
ANSWER Cubic feet per minute
The instrument used to measure air pressure in duct is the _____. - CORRECT
ANSWER Monometer
Air flow thru a duct has the highest _____. - CORRECT ANSWER Velocity near the
center of the duct.
Select the statement which does not apply to the fan laws. - CORRECT ANSWER Static
pressure in a duct increases as the velocity decreases.
Variable air volume system feature is _____. - CORRECT ANSWER Varies the volume
of air with space temperature conditions
Double duct systems are _____. - CORRECT ANSWER ?
