| Which of the following statements is true concerning the lube oil system shown in the illustration? Illustration SE-0011 |
| A) The gravity tank directly provides the normal supply of oil to the turbines and gears. |
| B) The gravity tank overflow line leads directly to the lube oil sludge tank. |
| C) The three-way temperature control valve bypasses cooling water around or through the lubricating oil cooler to maintain the desired oil temperature. |
| D) The drains from lube oil coolers can be directed back to the main sump, the sludge tank or the lube oil purifier. |
