Boilers. Test 1
Boilers. Test 1
A faulty steam trap on a fuel oil heater can cause
Special types of periscopes are fitted to boilers to observe
The steam that is discharged from the safety valves goes to the
The air cock on a boiler is located at
If a boiler is smoking
What would you do before you start soot blowing
In order for fuel oil to burn properly it must
What would you do before giving a boiler a
All fuel oil tanks are vented through a
Which of the following could cause a
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