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CM 411 Specialties Final Exam Questions With Accurate Solutions Graded A+
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12,000 - CORRECT ANSWER-A ton of cooling is equal to _______ BTU/hr 50% - CORRECT ANSWER-Comfort is usually attained at normal cooling and heating temperatures with a relative humidity of about Circulation - CORRECT ANSWER-is the movement of air air pollutant source, poor ventilation, unan...

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  • September 7, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cm 411 specialties final exam questions with accur
  • cm 411 specialties final exam questions stuvia
  • 12000 correct answer a ton of cooling is equal

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CM 411 Specialties Final Exam
Questions With Accurate Solutions
Graded A+

12,000 - CORRECT ANSWER-A ton of cooling is equal to _______ BTU/hr



50% - CORRECT ANSWER-Comfort is usually attained at normal cooling and heating
temperatures with a relative humidity of about



Circulation - CORRECT ANSWER-is the movement of air



air pollutant source, poor ventilation, unanticipated building uses - CORRECT
ANSWER-Common reasons for poor indoor air quality in building spaces are



relative humidity or humidity ratio - CORRECT ANSWER-Humidity is expressed as



Wet bulb temp, humidity ratio, relative humidity - CORRECT ANSWER-directly relates
to the amount of moisture in the air



Enthalpy - CORRECT ANSWER-a change in both dry bulb and wet bulb temperature
affects



Design - CORRECT ANSWER-temperature is the temperature of the air at a
predetermined set of conditions



Heating Load - CORRECT ANSWER-is the amount of heat lost by a building



Swing - CORRECT ANSWER-Temperature _______ is the difference between the set
point temperature and the actual temperature

, Design Temperature Difference - CORRECT ANSWER-is the difference between the
desired indoor temperature and the outdoor



Total - CORRECT ANSWER-wall area is the total area of the wall including windows,
doors, and other openings



CFM - CORRECT ANSWER-Multiplying the air velocity and the area of the register,
provides ________ provided to a conditioned space.



True - CORRECT ANSWER-Air handling duct work connectors such as a Tee or Wye
are treated like plumbing connectors using equivalent lengths.



Boiler, chiller, condenser, air - CORRECT ANSWER-The four loop systems that operate
within commercial A/C systems are:



15 - CORRECT ANSWER-A typical office, and most other occupancy type requires
approx. ______ CFM per person.



Multi Zone, Dual Duct, Terminal Reheat, VAV, and package units - CORRECT
ANSWER-The 5 HVAC systems commonly found in the US are:



False - CORRECT ANSWER-A cooling tower is actually a part of the evaporator in a
commercial system.



True - CORRECT ANSWER-Heavily used commercial HVAC pump motors should be
placed on variable frequency drives to reduce operating costs and improve efficiency.



Exhaust Air - CORRECT ANSWER-The area or part labeled A is called



Outside Air - CORRECT ANSWER-The area or part labeled B is called



Mixed Air - CORRECT ANSWER-The area or part labeled C is called

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