Engine: Steam Plants

1. A The gravity tank directly provides the normal supply of oil to the turbines and gears.
2. B The gravity tank overflow line leads directly to the lube oil sludge tank.
3. C The three-way temperature control valve bypasses cooling water around or through the lubricating oil cooler to maintain the desired oil temperature.
4. D The drains from lube oil coolers can be directed back to the main sump, the sludge tank or the lube oil purifier.

Tip: press A-D to answer