Question 336Motor Plants - Assistant Engineer70% to pass
In the engine shown in the illustration, the part labeled 'W' is cooled by _______________. Illustration MO-0003
AI Explanation
The correct answer is D) sea water.
In the engine illustration MO-0003, the part labeled 'W' is typically the engine block or cylinder heads, which are cooled by a sea water cooling system. This is a common cooling method used in marine diesel engines to dissipate the heat generated during the combustion process.
The other answer choices are incorrect because lube oil (A) is used to lubricate the engine, not directly cool it, convection (B) is a general heat transfer mechanism but not the specific cooling method for this engine component, and air (C) is not the primary cooling medium for this type of marine engine.
Related Questions
#334 Which of the diesel engine exhaust mufflers listed is usually equipped with a spark arrestor? #335 A water jacket is placed around the exhaust manifolds of propulsion diesel engines to _______________. #337 The diesel engine shown in the illustration, which of the lettered parts listed is cooled by sea water? Illustration MO-0003 #338 The large, slow-speed, main propulsion diesel engine shown in the illustration, the part labeled 'B' contains_______________. Illustration MO-0003 #339 The outlet from an expansion tank of a closed fresh water cooling system should be piped to the_______________.