When using recovery or recycling equipment manufactured AFTER November 15, 1993: You must evacuate a system containing MORE than 200 pounds of CFC-12 to _____ inches of Hg vacuum before making a major repair.

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Multiple Choice

When using recovery or recycling equipment manufactured AFTER November 15, 1993: You must evacuate a system containing MORE than 200 pounds of CFC-12 to _____ inches of Hg vacuum before making a major repair.

The question tests the rule for evacuating large systems before a major repair when using recovery or recycling equipment made after a specific date. If the system contains more than 200 pounds of refrigerant, you must evacuate to 15 inches of mercury vacuum before starting a major repair. This deeper evacuation helps remove most of the refrigerant vapor and non-condensables, reducing the chance of releasing refrigerant during the repair and protecting the environment and technician. The other options would either not remove enough refrigerant (a shallower vacuum) or go beyond what's required for this scenario; the standard minimum set by the regulation for these conditions is 15 inches of Hg.

The question tests the rule for evacuating large systems before a major repair when using recovery or recycling equipment made after a specific date. If the system contains more than 200 pounds of refrigerant, you must evacuate to 15 inches of mercury vacuum before starting a major repair. This deeper evacuation helps remove most of the refrigerant vapor and non-condensables, reducing the chance of releasing refrigerant during the repair and protecting the environment and technician.

The other options would either not remove enough refrigerant (a shallower vacuum) or go beyond what's required for this scenario; the standard minimum set by the regulation for these conditions is 15 inches of Hg.

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