Question 1399Deck General70% to pass
In order for you to operate your vessels crude oil wash system, the cargo tanks to be washed must be which of the following?
AI Explanation
The correct answer is B) inerted.
For a vessel's crude oil wash system to be safely operated, the cargo tanks being washed must be inerted, meaning that the tanks are filled with an inert gas like nitrogen to displace flammable vapors. This is a crucial safety requirement to prevent the risk of explosion or fire during the crude oil washing process.
The other answer choices are incorrect because: A) gas free tanks are not sufficiently protected from flammable vapors, C) tanks full of cargo cannot be safely washed, and D) opening tanks to the atmosphere would reintroduce flammable vapors.
Related Questions
#1397 When tank cleaning with a portable machine, the weight of the machine is suspended from _______________.#1398 What is NOT a requirement for the safe and effective use of a crude oil washing system? #1400 Where will the complete details of a crude oil washing system aboard your vessel, including the operating sequences and procedures, design characteristics, a description of the system, and required personnel be found? #1401 In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator? #1402 You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?