Technician A says that arrows at a 45 degree indicate hydraulic flow. Technician B says that solid lines indicate the flow route for hydraulic fluid. Who is correct?
A. Technician A
B. Technician B
C. Both
D. Neither
Answer: B
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Complete the following calculations and round to the nearest thousandth as necessary: (210.34 + 12.11) x 4.22 =
What will be an ideal response?
Smog contains ________, which is an irritant to lungs and eyes
A) N2 B) O3 C) CO2 D) O2
Every foot of head provides ________ PSI.
Fill in the blank(s) with the appropriate word(s).
The factory charge in a split system, using R-22, shows 6 lb. 8 oz. in the outdoor condensing unit and 2 oz. in the evaporator. The 3/8" liquid line contains 0.48 oz. per foot and the 7/8" suction line contains 0.10 oz. per foot. The refrigerant lines are 30' long. What is the correct refrigerant charge for this system?
A. 6 lb. 10 oz. B. 6 lb. 15 oz. C. 7 lb. 7 oz. D. 7 lb. 11 oz.