Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.
1、The burning of fuel oil in a diesel en
The burning of fuel oil in a diesel engine having a high sodium content, will cause （）Acorrosion and grooving of exhaust valvesBcorrosion and...
2、If you burned your arm on a bare steam
If you burned your arm on a bare steam line, the most effective immediate treatment would be to（）Awrap the arm in a tight bandageBsoak the arm in hot salt waterCcover the burn with petroleum jellyDput the burn in cold water
3、A man has suffered a burn on the arm.
A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?（）ADermal burnBThird-degree burnCMajor burnDLethal bur
4、Before welding is permitted on a fuel
Before welding is permitted on a fuel tank, it must be certified or declared （）Asafe for becoming roundedBsafe for hot workCnot safe for personnelDnot safe for hot work
5、Prior to boarding from a vessel，a davi
Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.Ahydrocarbon gasBcarbon monoxide gasCcarbon dioxide gasDfreon ga
6、Burning fuel with a high sulfur conten
Burning fuel with a high sulfur content in a diesel engine will （）Aincrease thermal efficiencyBcause clogging of the fuel systemCincrease the ...