A.operation of electrical equipment and generators on board ship
B.the earth's magnetic field affecting the ship's hard iron during construction
C.the horizontal component of the earth's magnetic field acting on the horizontal soft iron
D.the vertical component of the earth's magnetic field acting on the vertical soft iron
您可能感興趣的試卷
你可能感興趣的試題
A.Appendicitis
B.Cholera
C.Plague
D.Typhus fever
A.Jaundice by fever
B.Acute skin rash or eruption with or without fever
C.Duodenitis
A.Drape along brackets
B.Leave in place while back loading cargo to save time
C.Hang vertically in the paint locker
D.All of the above
A.three barrels
B.four barrels
C.six barrels
D.eight barrels
A.procedures for accepting cargo securing devices
B.procedures for maintaining and repairing cargo-securing devices
C.record of cargo securing device inspections
D.All of the above
最新試題
Permanent magnetism is found in（）.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.
A safe fuel system must（）.
A head-on situation at night is one in which you see dead ahead a vessel showing（）.
A hand held instrument used to measure distances between objects and the ship is a（）.
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
A jack-up drilling rig being towed must（）.
All ships（）suspected infectious disease on board should radio information to Port Health Officer.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）