Match the potential injury in the first column with the associated refrigerant hazard in the second column

A. Exposure to liquid refrigerant
B. Large release of refrigerant in enclosed space
C. Release of an A3 or B3 refrigerant
D. Exposure to a B1, B2, or B3 refrigerant

1. Explosion
2. Frostbite
3. Cardiac arrest
4. Asphyxiation

What will be an ideal response?


A, 2; B, 4; C, 1; D, 3

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An R-22 refrigeration system requires a superheat of 8°F. If the evaporator saturation pressure is 43 psig, what should the bulb temperature be?

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