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