Class 2 (2nd Engineer) MEKM 📅 Jan 2022

Exam Question

With resepect to Air Starting systems for 2 stroke diesel engines:

(a) Sketch and describe Main Engine starting air distributor

(b) List the safety devices and interlocks incorporated in main engine air starting system and state the purpose of each.

Reference Answer

(b) Safety Devices and Interlocks in the Starting Air System
Flame Trap/Flame Arrestor: Prevents flames from entering the airlines and reaching the air bottles in case leaking air start valve
Bursting Disc: Releases excessive pressure in the starting airline
Relief Valve: Fitted on the starting air manifold to release excessive pressure.

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