What safety device prevents starting air from entering an engine cylinder when the piston is in motion?
Direct Answer
Option C: Starting air distributor / control valve
The starting air distributor precisely times and delivers pneumatic control signals to cylinder starting air valves. This sequential timing ensures compressed air enters only the cylinders whose pistons are properly positioned in their power stroke expansion phase.
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Detailed Explanation & Context
The starting air distributor precisely times and delivers pneumatic control signals to cylinder starting air valves. This sequential timing ensures compressed air enters only the cylinders whose pistons are properly positioned in their power stroke expansion phase.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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