If the pressure in the refrigerant cylinder drops down too low to charge a system (cylinder pressure = low side system pressure), how can the technician increase the cylinder pressure?
What will be an ideal response?
Place tank in a bucket of warm water (90°F or less), or use a heat blanket.
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Oxygen present in the welding zone can exist as part of a compound such as iron oxide or ____.
A. acetylene B. carbon dioxide C. acetaldehyde D. argon-oxygen
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Patient bed locations in non-critical spaces must have a minimum of _____.
a. one receptacle b. two receptacles c. four receptacles d. eight receptacles
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White blood cells called _____ trap and destroy disease-causing agents in the blood
a. Platelets c. Phagocytes b. Antigens d. Chromatids
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ASE-Style Multiple Choice ____ have wide U-shaped jaws for reaching around and holding panels at their flanges.
A. Tin snips B. Panel clamping pliers C. Universal joints D. C-clamps
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