18 Questions
What is a flat block placed under the end of a wooden shore for the purpose of distributing pressure against a damaged structure called?
Strongback
When is a fuel tank considered gas free?
Inerted with concentrations of carbon dioxide for 24 hours
What action should you take if you experience irritation of the eyes, nose, or throat in a tank or pumproom?
Immediately leave the area
How should a hole in the hull above the waterline be temporarily patched?
Joist web
When should you assume that all tanks and pumprooms are potentially dangerous?
When you smell an unusual odor
What is the term for a method of making a rope where the lay of the wires in the strand is opposite to the lay of strands in the rope?
Cabled rope
What is the corrected displacement of the vessel?
15,579.81 m/t
What can result in an oxygen deficiency in a closed space?
Properly venting the area
What is the generally accepted method of determining if the atmosphere in a cargo tank is flammable?
Use an explosimeter
While carrying solid bulk cargo on a vessel, what should the master keep on board?
BC Code
Why should one wear a self-contained breathing apparatus before entering a closed compartment to fight a fire?
To investigate a suspected smoldering fire
If one is not wearing a self-contained breathing apparatus before entering a compartment, they should test for:
The atmosphere's oxygen content
When taking samples of a tank atmosphere with an explosimeter, it is important to...
Sample as much of the tank as possible, especially at the bottom
When testing the atmosphere of a compartment with a combustible gas indicator, what does the operator need to remember?
The indicator guarantees a safe atmosphere for a maximum of two hours
When welding or burning aboard a vessel, what precaution must be taken regarding the space?
Ensure that the space has no explosive fumes
What should you do if you are wearing a self-contained breathing apparatus and experience dizziness or high breathing resistance?
Immediately return to fresh air
Which term listed on a Material Safety Data Sheet (MSDS) indicates that contact with the substance will freeze body tissue on contact?
Freeze hazard
When testing the atmosphere of a compartment with a combustible gas indicator, why should operators be cautious about petroleum vapors?
They tend to accumulate around deck longitudinals
Test your knowledge of marine engineering with questions on vessel displacement, oxygen deficiency in closed spaces, and methods of determining flammability in cargo tanks.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
