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Study MCQ
Refrigeration and Air Conditioning Technician
MOBILE AIR CONDITIONING
Set 1
Set 1
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Q10091
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What is the minimum cross sectional area of the ducts used with bus AC?
A
400 cm<sup>2</sup>
B
500 cm<sup>2</sup>
C
600 cm<sup>2</sup>
D
700 cm<sup>2</sup>
Q10092
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How many water drain lines are provided for each evaporator in a bus AC?
A
One
B
Two
C
Three
D
Four
Q10093
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What is the equivalvent of 760mm of Hg in torr?
A
7.6 Torr
B
76 Torr
C
760 Torr
D
7600 Torr
Q10094
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What is the comfortable range of relative humidity (RH) for human beings?
A
30 +/- 5%
B
40 +/- 5%
C
50 +/- 5%
D
60 +/- 5%
Q10095
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Which type of filter drier is used with HFC 134a car AC?
A
XH ? 1
B
XH ? 3
C
XH ? 5
D
XH ? 7
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