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megandunlap megandunlap
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Posts: 509
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6 years ago
What would the mixed air temperature be for a system with 20 outdoor air if the outdoor temperature is 90F and the return air temperature is 80F?
 
  A) 0.2  90F = 18F; 0.8  80F = 64F; 18F + 64F = 82F mixed air temperature
  B) (90F + 80F)  .4 = 68F
  C) 0.8  90F = 18F; 18F + 80F = 98F mixed air temperature
  D) ( 90F + 80F ) / 2 = 85F mixed air temperature

 Q. 2

In the MARK column of a door schedule, the third door on Floor 2, Wing B, would likely be designated as
  _____.
 
  a. 3-2-B
  b. 203-B
  c. B-203
  d. 200-3-B
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wrote...
#1
6 years ago
Ans. to #1

A

Ans. to #2

b
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