154. The various auxiliary diesel engines fitted on your offshore oil spill response vessel may employ a variety of different starting systems. What type of starting system is shown in the illustration

The illustration depicts a closed-loop hydraulic circuit with a reservoir, pump, accumulator, control valve, and hydraulic starter motor, confirming it as a hydraulic power operated starting system. This system utilizes pressurized hydraulic fluid to crank the diesel engine, distinguishing it from electric, pneumatic, or gas-engine systems which would feature different components.