The fuel oil meter in the fuel oil service system should be bypassed when __________.
• purpose of a fuel oil meter in a service system (what it is intended to measure) • difference between normal consumption flow to burners and recirculation/warming lines • when work on fuel system equipment can be safely done while underway vs. when the plant is secured
• In which option would leaving the meter in the line give misleading or meaningless fuel consumption readings? • Is it normally acceptable to take a meter out of service for maintenance while the vessel is underway and relying on that fuel line? • During recirculation and warming of oil prior to lighting off, is the fuel actually being consumed or just moved around the system?
• Identify when the meter’s reading should represent true consumption to the burners, not just movement of fuel in the system • Check which choices describe a condition where fuel is not actually being burned, but still flowing through the line • Make sure the situation you choose does not create unnecessary risk (e.g., removing a critical device from service during operation without strong reason)
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