Auxiliary boilers are divided into several classifications, one of which is .A.fire－tube c

When there is a flame failure in an automatically fired auxiliary boiler, the _____.

Prior to lighting off a cold automatically fired auxiliary boiler, yon should _____.

Failure of the burner flame in an auxiliary boiler would probably be a result of .A.water

The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if

Bottom blow valves are installed on auxiliary water-tube boilers to ___________.A.complete

Ignition failure in an automatically controlled auxiliary boiler could be caused by .A.car