Hvacr unit 16 Study guides, Class notes & Summaries

HVACR UNIT 16 EXAM LATEST UPDATE...

A solution used as a secondary refrigerant in chillers consisting of water and a chemical which lowers the water's freezing point is called: - Brine. Air-conditioning tube-and-fin coils are commonly available as: - Slab coils, slant coils, "A" coils, and "N" coils. An evaporator in which refrigerant enters as a saturated liquid vapor mix and leaves as a superheated vapor is a: - Direct expansion evaporator. An evaporator that covers the coils being cooled with liquid refrigerant is a:...

HVACR UNIT 3 EXAM FULLY SOLVED QUESTIONS AND ANSWERS #16

EPA 608 Guaranteed Success 1. Definition of Reclaiming: - To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines: ️ Reclaiming. 2. Disposable Cylinder Disposal Method: - The proper disposal method for disposable cylinders is to ️ recover any remaining refrigerant and then render the cylinder useless, then recycle the metal. 3. Definition of Recycling: - Clean refrigerant for reuse by separating the oil from the refr...

UNIT 1 REVIEW QUESTIONS ANSWER KEY 1-1) List some of the different ways that homes and buildings may be heated. Wood, gas, oil, electric, solar, heat pumps, and geothermal heating systems are used. 1-2) What were some of the primary heating fuels that early civilizations used? Wood, peat, and coal remained the primary heating fuels for centuries. 1-3) When is it believed that ice was first artificially made for food storage? First evidence of man making ice appeared more than 3,000 years ...