Water-jacketed exhaust manifolds as used on anchor-handling supply vessel main engines require periodic inspection of the jackets and scale removal as necessary. What would be the impact of a failure to remove scale deposits on a timely basis?

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Excessive scale deposits would decrease heat transfer and raise the temperature of the inside wall of the exhaust manifold.

Answer

Excessive scale deposits would decrease heat transfer and lower the temperature of the inside wall of the exhaust manifold.

Answer

Excessive scale deposits would increase heat transfer and raise the temperature of the inside wall of the exhaust manifold.

Answer

Excessive scale deposits would increase heat transfer and lower the temperature of the inside wall of the exhaust manifold.

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