To which controller first high signal selector passes the master signal on high steam demand?
Direct Answer
Option B: Air controller
When steam demand increases, the master signal rises. The high signal selector routes this to the air controller, which increases the combustion air supply to match the increased fuel firing rate, ensuring complete combustion and preventing smoke.
All Options
Detailed Explanation & Context
When steam demand increases, the master signal rises. The high signal selector routes this to the air controller, which increases the combustion air supply to match the increased fuel firing rate, ensuring complete combustion and preventing smoke.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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