In Direct connections of Piping fabrication, ____________ used for accessory lines and instrumentation lines with external diameters of 25 mm or less.
Direct Answer
Option D: Screwed couplings
Screwed couplings are permitted for accessory and instrumentation lines with external diameters of 25 mm or less under the IGF Code. These connections must be designed to withstand vibration and thermal cycling, ensuring that small-bore piping remains leak-tight and secure within the fuel supply system's complex instrumentation architecture.
All Options
Detailed Explanation & Context
Screwed couplings are permitted for accessory and instrumentation lines with external diameters of 25 mm or less under the IGF Code. These connections must be designed to withstand vibration and thermal cycling, ensuring that small-bore piping remains leak-tight and secure within the fuel supply system's complex instrumentation architecture.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
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