
unit 36
Quiz
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Professional Development
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Professional Development
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Easy

Timothy McIntyre
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total heat content of infiltrated air of the same dry-bulb temperature may vary from one part of the country to another because of the difference in ____.
solar load
sensible heat
humidity
convection currents
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A homeowner plans to build a house out in Las Vegas, Nevada, in the middle of the desert. It would be in his/her best interest to lower the 'solar load,' to locate most of the windows on the ____ sides of the house.
north and east
east and west
north and south
south and west
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The solar load on a structure is the heat gain resulting from the ____.
heat from the surrounding air conducted through the materials of the structure
air infiltration
heat from the radiation from the sun
dry-bulb inside the structure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
More than one evaporator coil circuit is used when ____.
the evaporator is located outside the conditioned area
there would be excessive refrigerant pressure drop in the coil circuit
a distributor would not be practical
a slant coil is at an angle more than 60°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A popular material combination used in air-conditioning evaporators and condensers is ___.
copper tube-stainless steel fin
copper tube-copper fin
copper tube-aluminum fin
stainless steel tube-aluminum fin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In reciprocating compressors used in air conditioning, the motor is mainly cooled by ____.
air over the shell of the assembly
none
suction gas returning to the compressor
both
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In rotary compressors, the motor is cooled by ___.
air over the shell of the assembly
discharge gas from the compressor
suction gas returning to the compressor
liquid refrigerant by-passed from the liquid line
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