A.at each frame
B.amidships
C.one-third the distance from the bow
D.one-third the distance from the stern
您可能感興趣的試卷
你可能感興趣的試題
A.greater at the bow and stern
B.reduced at the bow and stern
C.uniform over the length of the vessel
D.uniform over the length of the vessel，with the exception of the machinery spaces，where it is reduced due to increased stresses
A.Safe working load
B.Ship's working lift
C.Starboard wing lift
D.Stress，weight，load
A.crow bar
B.device to force a water tight door against the frame
C.heavy steel beam
D.wedge
A.that the fuel valve is open
B.if the air supply system is open
C.if the water sprinkler system is open
D.if the limit switch is on
A.a defective ignition system
B.low lube oil level
C.weak valve springs
D.too heavy a load
最新試題
All electrical appliances aboard a vessel should be grounded to（）.
The holding capability of an anchor is primarily determined by the（）.
The C02 flooding system is actuated by a sequence of steps which are（）.
The portable radio apparatus means（）.
Cargo pump relief valves are piped to the（）.
In ship construction，keel scantlings should be the greatest（）.
The most common type of davit found on merchant vessels today is the（）.
The purpose of a bilge well is to（）.
As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.
The series of valves used to control the return flow in well control operations is called the（）.