Unit 36 Refrigeration Applied to
Air Conditioning Questions and
Answers 100% Correct
comfort cooling - ANSWER - Air-Conditioning
Refrigeration process applied to _____________________
high-temperature - ANSWER - Air-Conditioning
Classified as a ___________________________ refrigeration system
Compressor, condenser, metering device, evaporator - ANSWER - Air-Conditioning
Uses the same four components as other refrigeration systems
___________________, ____________________, __________________, and
____________________
indoors, outside - ANSWER - Air-Conditioning
Absorbs heat _______________ and puts it _____________
conduction, infiltration, radiation - ANSWER - Structural Heat Gain
Heat leaks into a structure by ________________, _________________, and
________________
higher - ANSWER - Structural Heat Gain
,Summer solar load on a structure is _____________ on east and west sides
Attic ventilation, powered, natural-draft - ANSWER - Structural Heat Gain
_____________________ can help relieve solar load on the ceiling
Accomplished with _________________ or ________________ ventilation systems
walls, closed windows, closed doors, cracks - ANSWER - Structural Heat Gain:
Conduction and Infiltration
Heat enters through ________, ________________, and _____________________ by
conduction, and by infiltration through ____________ around the doors and windows
Infiltrating air - ANSWER - Structural Heat Gain: Conduction and Infiltration
________________ has different characteristics (humidity), depending on location, that
must be taken into account
low - ANSWER - Evaporative Cooling
Used primarily in climates with ________ humidity
water, evaporation, outlet, pressurize, Drip, spray or singer, rotary - ANSWER -
Evaporative Cooling
Uses fiber mounted in a frame with __________ running over the fiber as cooling
media
Fresh air is drawn through the fiber and cooled by _________________
Must be an _____________ for air that has entered to leave the structure or it will
________________
Three common configurations:
, _________-type swamp cooler, the ___________________-type swamp cooler, and the
___________-type swamp cooler
operate, same - ANSWER - Package-Type and Split-Type Air-Conditioning Systems
Air-conditioning, comfort cooling, or high-temperature refrigeration systems
_______________ with the ____________ four main system components
Package air-conditioning - ANSWER - Package-Type and Split-Type Air-Conditioning
Systems
Self-contained; all components in one cabinet with air ducted to and from the unit
Split-system air-conditioning, popular - ANSWER - Package-Type and Split-Type Air-
Conditioning Systems
Condenser outside; removed from evaporator; connected by refrigerant lines
Ductless split system very __________
air, refrigerant, sensible, latent - ANSWER - The Evaporator
Transfers heat from _______ to ______________
Absorbing ____________ heat lowers air temperature
Absorbing ___________ heat removes moisture by changing water vapor to
condensate, which is drained
75 degrees F, 50%, 62.5 degrees F - ANSWER - The Evaporator
Typical room conditions: _________ dry-bulb temperature, ________ relative humidity,
________ wet-bulb temperature
40 degrees F - ANSWER - The Evaporator
