你可能感兴趣的试题
too much a few much too too many
help preheat the air for the furnaces help preheat the feedwater protect economizer from excessive heat prevent excessive furnace heat losses
dirty delivery ducts too much refrigerant the fouling filters high temperature outside
blow clean scavenge purge
too much more much much much too
air or water in the furnace combustion pulses fuel oil pump failure flame failure
is; causes are; results in is; leads to are; results from
no combustion deposits in the fuel excessive air in the fuel cold fuel oil
Not really Me, too Yes, I agree It doesn’t matter
yellowish flame golden yellow flame milky flame brilliant white flame
is; results in are; results in is; leads to are; results from
cool the furnace to prevent pre-ignition remove explosive vapors from the furnace evaporate accumulated unburned fuel oil provide sufficient air in the furnace to allow ignition of the fuel
not good good better the best
filled with water purged cleared of air None of the above is true
much fresh more fresher much fresher most fresh
proper combustion water in the fuel excess air cold fuel oil
湘公网安备 43130202000226号