航海英语船体设备章节练习(2017.12.18)

单项选择题
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
A.flex joint
B.slip joint
C.heave joint
D.riser joint
单项选择题
The antennas of the trucks on deck are not fitted（）.
A.in
B.on
C.out
D.with
单项选择题
A common means of connecting shots of anchor chain in the field is to use a（）.
A.sprocket
B.Kenter link
C.swivel
D.end shackle
单项选择题
The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a（）.
A.cradle
B.draft
C.harping
D.manger
单项选择题
A bluff bar is a bar（）.
A.extending out from a bluff alongside the river
B.that tends to give a false indication of its position
C.that has a sharp drop off into deep water
D.that is perpendicular to the current
单项选择题
The opening in the deck that leads the anchor cable outside the hull is the（）.
A.hawsepipe
B.fall pipe
C.drop-pipe
D.spill pipe
单项选择题
Buckler plates are（）.
A.triangular-shaped plates connecting the bull chain to the topping lift
B.metal plates secured over the tops of the hawsepipes
C.faired shell plates with curvature in two directions
D.sheets of dunnage used to prevent heavy cargo from buckling the deck plates
单项选择题
A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）
A.one
B.two
C.three
D.four
单项选择题
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.
A.blind flange
B.pivot coupling
C.quick-release coupling
D.spectacle flange
单项选择题
Grinding to eliminate shallow surface defects should be done（）.
A.parallel to the longitudinal direction of the chain
B.perpendicular to the direction of the anchor chain
C.diagonally across the link of the anchor chain
D.around the circumference of the chain link