航海英语船舶及其结构章节练习(2019.04.27)

单项选择题
The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a（）.
A.grip joint
B.strap joint
C.thread joint
D.lap joint
单项选择题
The welds used to join shell plates in flush construction are known as（）.
A.butt welds
B.seam welds
C.fillet welds
D.continuous welds
单项选择题
Those ship’s tanks that are particularly important for trimming the ship are the（）.
A.domestics
B.settlers
C.deeps
D.peaks
单项选择题
Upon underwater（）by divers，there are no apparent（）on the bottom plates of the said vessel.
A.detection，defects
B.defection，defects
C.defects，defection
D.defects，detection
单项选择题
A wildcat is a（）.
A.deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain
B.winch that is running out of control due to a failure of the overspeed trips
C.line that has jumped off the gypsyhead while under strain
D.nylon line that parts under strain and whips back in a hazardous manner
单项选择题
The strictest load line regulations apply to（）.
A.gas carriers
B.freighters (break-bulk)
C.passenger ships
D.tankers
单项选择题
Any extinguishing agent used on a Class “C” fire must have which important property? （）
A.Cooling ability
B.Leaves no residue
C.Penetrating power
D.Nonconductivity
单项选择题
Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.
A.environmental loads
B.variable loads
C.ballast loading
D.mooring loads
单项选择题
Flanking rudders effect a vessel’s heading because of the（）.
A.effect of the propeller flow on the rudders
B.water flow due to the vessel's movement through the water
C.tunnel affect of the water flow past opposing rudders
D.discharge current being channeled to impinge on the vessel's deadwood
单项选择题
No deduction is allowed for the（）mess-room in ships having passenger accommodation，which are not also provided with a passengers’ mess-room.
A.officer
B.officers
C.officer's
D.officers’