Other than taking a scale thickness through a zinc plug opening of the water box of a feed water heater of a flash evaporator, what would be the BEST...

Question

Other than taking a scale thickness through a zinc plug opening of the water box of a feed water heater of a flash evaporator, what would be the BEST indication for a need to remove scale build-up?

Accepted Answer

A rise in the feed water heater shell temperature and a rise in the feed water heater shell absolute pressure (decrease in vacuum).

Engine: Expired / General Subjects

Other than taking a scale thickness through a zinc plug opening of the water box of a feed water heater of a flash evaporator, what would be the BEST indication for a need to remove scale build-up?

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