Since there are no "valves" in a scroll compressor, what must be done to prevent refrigerant from flowing backward when the compressor cycles off?
What will be an ideal response?
Install check valves.
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Winterization fertilizer for a lawn costs $12.00 per 25-pound bag. The lawn covers 10,000 SF and takes 25 pounds to cover 5,000 SF. What is the cost of the fertilizer for this job?
a. $12.00 c. $33.33 b. $24.00 d. $200.00
Preprogrammed computer software is available to draw ductwork in ________ or _________.
Fill in the blank(s) with the appropriate word(s).
Why was the Italian Renaissance not revolutionary?
a. It achieved few remarkable things and only a privileged few participated in it. b. Creative men and women struggled to secure financial support from capricious patrons. c. Most of the humanists, like Petrarch, were clerics. d. It did not represent a dramatic shift in political, social, or cultural attitudes.
Technician A says that a defective high-speed blower motor relay could prevent high speed blower operation, yet allow normal operation at lower speeds. Technician B says that a defective (open) blower motor resistor can prevent low-speed blower operation, yet permit normal high-speed operation. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician