單項(xiàng)選擇題The series of valves used to control the return flow in well control operations is called the().

A.valve assembly
B.standpipe manifold
C.accumulator manifold
D.choke manifold


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1.單項(xiàng)選擇題The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?()

A.The bow will go to port
B.The bow will go to starboard
C.The bow will remain steady
D.The stern will go to starboard

2.單項(xiàng)選擇題The purpose of a bilge well is to().

A.afford access to the shell through the double bottoms
B.collect water to be pumped out
C.provide access for the pneumercator
D.provide a base line for sounding measurements

3.單項(xiàng)選擇題The portable radio apparatus means().

A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus

4.單項(xiàng)選擇題The most common type of davit found on merchant vessels today is the().

A.radial
B.sheath-screw
C.gravity
D.quadrantal

5.單項(xiàng)選擇題The holding capability of an anchor is primarily determined by the().

A.shape of the anchor
B.stowage of the anchor on board
C.anchor's ability to dig in
D.size of the vessel and its draft