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BOMA-HVAC EXAM QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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BOMA-HVAC EXAM QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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BOMA-HVAC EXAM QUESTIONS & ANSWERSVERIFIED 100% CORRECT!!
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
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.
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