HVAC BOMA 501 Exam Questions and Correct Answers
100% Verified Graded A+
1. Dual Duct System
Answer A system in which hot air and cold air are supplied by separate ducts and mixed
at each controlled space to provide the desired supply air temperature. This method
consumes a great deal of energy.
2. Muiltizone System
Answer an a/c system in which the zone control is obtained by mixing hot and cold air at the
unit in response to a room thermostat
3. Load Calulations
Answer take the sensible heat and the latent heat into consideration
4. which of the following does not provide sensible heat gain?
Answer Heat from cooking or hot baths (latent heat has to do with moisture)
5. Which of the following is the way that solar radiation disperses in a build- ing?
Answer Transmitted directly to the interior of the building, absorbs by glass, reflected into
the building
6. outside air may get into the air conditioning spaces by...
1/
15
, Answer infiltration through the walls, infiltration through the swinging doors, air induced
by replaced exhaust
7. In commercial buildings heat generated by lights does not seriously affect the control
of the heating system
Answer false
8. the human body's feeling of well being depends upon....
Answer The body's metab- olism
9. which of the following natural laws has the greatest bearing on the science of air
conditioning?
Answer Boyles' Law, Charles' Law, Dalton's Law
10. Why is a pitch pocket commonly used?
Answer To protect the piping and seal the roof from refrigeration lines passing through it
11. Which of the following is an evaporative type condenser and what governs its cooling?
Answer a cooling tower governed by web bulb temperature
12. on an evaporative condenser what is the purpose of the eliminator
Answer to separate the moisture carry over
13. specific heat of a substance
Answer the amount of heat necessary to raise the temperature of one pound of a
2/
15
100% Verified Graded A+
1. Dual Duct System
Answer A system in which hot air and cold air are supplied by separate ducts and mixed
at each controlled space to provide the desired supply air temperature. This method
consumes a great deal of energy.
2. Muiltizone System
Answer an a/c system in which the zone control is obtained by mixing hot and cold air at the
unit in response to a room thermostat
3. Load Calulations
Answer take the sensible heat and the latent heat into consideration
4. which of the following does not provide sensible heat gain?
Answer Heat from cooking or hot baths (latent heat has to do with moisture)
5. Which of the following is the way that solar radiation disperses in a build- ing?
Answer Transmitted directly to the interior of the building, absorbs by glass, reflected into
the building
6. outside air may get into the air conditioning spaces by...
1/
15
, Answer infiltration through the walls, infiltration through the swinging doors, air induced
by replaced exhaust
7. In commercial buildings heat generated by lights does not seriously affect the control
of the heating system
Answer false
8. the human body's feeling of well being depends upon....
Answer The body's metab- olism
9. which of the following natural laws has the greatest bearing on the science of air
conditioning?
Answer Boyles' Law, Charles' Law, Dalton's Law
10. Why is a pitch pocket commonly used?
Answer To protect the piping and seal the roof from refrigeration lines passing through it
11. Which of the following is an evaporative type condenser and what governs its cooling?
Answer a cooling tower governed by web bulb temperature
12. on an evaporative condenser what is the purpose of the eliminator
Answer to separate the moisture carry over
13. specific heat of a substance
Answer the amount of heat necessary to raise the temperature of one pound of a
2/
15
