Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.
All bilge suctions must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor plate level for easy access.
Bilge keels are more effective at clampening rolls as the（）.
Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel.This kind of wording usually appeared on（）.
Bilge keels are more effective at dampening rolls as the（）.
The antennas of the trucks on deck are not fitted（）.
The function of the bilge keel is to（）.
Safety shackles are fitted with（）.
（）is a room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.
Aboard ship，vertical flat plates running transversely and connecting the vertical keel to the margin plates are called（）.
Keel scantlings of any vessel are greatest amidships because（）.
Aboard ship, vertical flat plates running transverely and connecting the vertiacl keel to the margin plates are called（）.
You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on the PPI display?（）
The height of the metacenter above the keel will vary depending on the（）.
On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.
All the following except（）are fittings for securing and lashing containers on board ships.
On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because（）
The upward slope of a ships bottom from the keel to the bilge is known as（）.
（）A room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.
The upward slope of a vessels bottom from the keel to the bilge is called（）.
All bilge suction must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor-plate level for easy access.
Upon underwater detection, there were no apparent defects on the bottom plates, bilge keels,rudder and propeller of the said vessel. This kind of wording usually appeared on（）.
The strake on each side of the keel is called a（）.
Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge Upward.The purpose of these cargo battens is ______.
