Sensors can be fixed horizontally at the required levels for enabling a high level alarm.
Direct Answer
Option B: Horizontally
High-level alarm sensors are typically fixed horizontally within the tank at the predetermined maximum safe filling level. This horizontal placement ensures they accurately detect when the liquid reaches that specific height, triggering the alarm to prevent overfilling, as per tank safety system design principles.
All Options
Detailed Explanation & Context
High-level alarm sensors are typically fixed horizontally within the tank at the predetermined maximum safe filling level. This horizontal placement ensures they accurately detect when the liquid reaches that specific height, triggering the alarm to prevent overfilling, as per tank safety system design principles.
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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