A water jacket is placed around the exhaust manifolds of propulsion diesel engines to（）<br>A:reduce heat radiation to the engine room<br>B:aid in preventing turbocharger overheating<br>C:condense and drain moisture from exhaust gases<br>D:dampen exhaust gas pulsations in the manifold

A water jacket is placed around the exhaust manifolds of propulsion diesel engines to（）
A:reduce heat radiation to the engine room
B:aid in preventing turbocharger overheating
C:condense and drain moisture from exhaust gases
D:dampen exhaust gas pulsations in the manifold

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