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CSIA EXAM PREP QUESTIONS AND ANSWERS FULL TEST PAPER ACCURACY CHECKE

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CSIA EXAM PREP QUESTIONS AND ANSWERS FULL TEST PAPER ACCURACY CHECKE

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CSIA EXAM PREP QUESTIONS AND
ANSWERS FULL TEST PAPER ACCURACY
CHECKED

◉ newer oil fired appliances use what as the stack control?
Answer: photo sensitive cad cell relay


◉ what is an appliance data plate
Answer: reference used to determine the proper category for an
appliance


◉ what are catalytic combustors
Answer: designed to increase combustion efficiency of the
appliance by lowering the ignition temperature of flue gas passing
through


◉ what is combustion efficiency
Answer: % of potential energy converted to useful heat in the fire
chamber of the appliance


◉ what contributes to the greatest combustion efficiency?
Answer: Time, Temperature, Turbulence
takes 1100 degrees to get complete combustion of wood fuel

, ◉ sulfuric acid is formed by...
Answer: coal mixed with water


◉ ideal moisture content of wood
Answer: 15% - 25%


◉ dry wood amount of BTUs?
Answer: dry wood = 8600 BTUs / lb
more moisture = lower BTUs


◉ oil produces how many BTUs per gallon?
Answer: 140,000 BTUs / gallon


◉ liquid propane produces how many BTUs per ft3
Answer: 2500 BTUs / ft3


◉ BTUs from natural gas
Answer: Natural gas = 1000 BTUs


◉ height of chimney beyond roof?
Answer: 2 feet above the ridge, measuring from top of chimney


◉ what is a B vent pipe

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