A、A.a burned out solenoid in the oil supply valve
B、B.high temperature excess air
C、C.incorrectly setting the hot-well dump valve
D、D.an incorrectly positioned burner snubber realy
更多“Burner ignition failure in an automatically fired auxiliary boiler would be caused by（）”相关的问题
A、A.fuel oil supply temperature is normal B、B.burner electrode is incorrectly positioned C、C.fuel／air ratio is incorrect D、D.ignition current is too low
A、defective solenoid valve B、dirty fuel nozzle C、grounded high tension lead D、faulty ignition cable connector
A、furnace to be re-purged B、electric charge to buildup in the igniter C、fuel pump to restart D、dram level to stabilize
A、furnace to be re-purged B、electric charge to buildup in the igniter C、fuel pump to restart D、drum level to stabilize
A、leaky exhaust valve B、increased scavenging air temperature C、engine cylinders not scavenged sufficiently D、water in the fuel oil
A、An increase in compression ratio will increase the ignition lag B、An increase in compression ratio will decrease the ignition lag C、A decrease in compression ratio will decrease the ignition lag D、A decrease in ignition lag will increase the compression ratio
A、should be stopped manually B、keeps the combustion as usual C、would be cut off by an interlock D、would replace the waste oil burner and keep going on
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