Some vessels are equipped with a water lubricated stern tube. When at sea, operating under normal conditions, the water service valve from the ship's saltwater system to the bearing should be __________.
A
closed, and no leakage permitted across the shaft packing
B
closed, and only slight leakage permitted across the shaft packing
C
open, and no leakage permitted across the shaft packing
D
open, and only slight leakage permitted across the shaft packing
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Question 1 / 205eccefa1bacbc34ba4d47175
Question 1 of 205eccefa1bacbc34ba4d47175
Some vessels are equipped with a water lubricated stern tube. When at sea, operating under normal conditions, the water service valve from the ship's saltwater system to the bearing should be __________.
Some vessels are equipped with a water lubricated stern tube. When at sea, operating under normal conditions, the water service valve from the ship's saltwater system to the bearing should be __________.