Which of the following terms is defined as "the process of removing refrigerant from an air conditioning system and storing it in an external container"?
A. refrigerant recovery
B. refrigerant reclaiming
C. refrigerant recycling
D. refrigerant reuse
Answer: A
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Which of the following is not a centrifugal fan design?
A) Axial fan. B) Utility set. C) Fan array. D) Roof ventilator.
Mr. Jones planted 540 acres in corn. He ordered 195-85-85 units of fertilizer per acre. You used 46-0-0 urea at $507 per ton, 18-46-0 DAP at $712 per ton, and 0-0-60 muriate of potash at $572 per ton to fill his order.
a. How many pounds of bulk fertilizer were needed per acre? b. How many tons were needed? c. What was the cost of the fertilizer?
An optional method for determining feeder to schools is covered in _____.
a. NEC Section 90.9 b. NEC Section 220.86 c. NEC Table 515.3 d. NEC Article 555
In a series circuit:
A) The voltage stays the same throughout the circuit. B) The current stays the same throughout the circuit. C) The wattage stays the same throughout the circuit. D) The resistance stays the same throughout the circuit.