Log In

Engine : Motor Plants and Auxiliary Boilers - 692/947
Get a hint
« Previous Question
Before any work is to be carried out on a burner in an automatically fired auxiliary boiler, you should always __________.
A) block all control system relays closed
B) allow the boiler to cool completely
C) close all manually operated fuel valves
D) lock all safety interlock switches closed
loading answer...
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Clear Score