Boilers. Test 3
Boilers. Test 3
If the water goes out of sight in the gage glass, the first thing to do is
The boiler gage glasses should be blown down
The deaerating heater is used in
The purpose of the surface blow valve
All fuel oil tanks are vented through a
The purpose of the
The main purpose of the superheater vent valve on the boiler is to
What is the first action to be taken when the fires suddenly go out in the boiler
The economizer is used for
When you light a fire in a boiler, you must always
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