更多"When discharging bilge water, which"的相关试题:
[单项选择]When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）
A. The high temperature facilitates primary gravity separation
B. Most of the oil and organic solvents are raised to the top layer
C. The high the temperature is, the more the top oil will be collected
D. The high temperature has little use on the separation of emulsified oil
[单项选择]According to the SOLAS convention, the bilge water system （）
A. must connect the bilge well suction directly
B. should not pump out the water accumulated in the cargos
C. should not used for emergency drainage in case of ship collision
D. should connect to the fire fighting system directly
[单项选择]The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.
A. should agitate
B. should not agitate
C. should mix up
D. should not add up
[单项选择]In view of（）bilge water from any vessel，an application shall be made to Harbor Authorities for approval．
A. discharging
B. recircling
C. loading
D. taking in
[单项选择]Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）
A. Contamination of the cargo
B. Flash points
C. Reid vapor pressures
D. Specific gravities
[单项选择]Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
A. The tank must be gas freed
B. The tank must be ballasted
C. The tank must be vented to the atmosphere
D. The bypass valve must also be closed
[单项选择]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
[单项选择]When jumping into water upon which there is an oil-fire，you should（）.
A. break the water surface with your hands when diving head-first
B. use your hands to hold your knees to your chest
C. cover your eyes with one hand while pinching your nose shut and covering your mouth with the other
D. enter the water at the bow or stern on the windward side of the vessel
[单项选择]Before loading bulk grain, bilge wells must be covered to（）.
A. add strength to the bilge well strainer
B. permit rapid flow of water to the bilge wells
C. prevent cargo sifting into the bilge wells
D. preven oil, water , or other liquid from reaching the cargo
[单项选择]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.
A. strangers
B. relief valves
C. emergency valves
D. strainers
[单项选择]Before loading bulk grain，bilge wells must be covered to（）.
A. add strength to the bilge well strainer
B. permit rapid flow of water to the bilge wells
C. prevent cargo sifting into the bilge wells
D. prevent oil，water，or other liquid from reaching the cargo
[单项选择]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.
A. strainers
B. valves
C. elements
D. separators
[单项选择]When must a dry chemical fire extinguisher be recharged?（）
A. After each use
B. When the air temperature exceeds 90°F
C. Every 6 months
D. Every 12 months
[单项选择]When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?（）
A. Once a day
B. At the change of every watch
C. Only when in fresh or brackish water
D. Prior to getting underway
[单项选择]When oily water separator is operating, which measure （） is wrong.
A. pay attention to operating parameters
B. renew and clean separating units in time
C. check oil level in separator to prevent overload
D. check separating effect, if it is bad, flush with large capacity water pump
[单项选择]When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）
A. Once a day
B. At the change of every watch
C. Only when in fresh or brackish water
D. Prior to getting underway
[单项选择]If in doubt as to the true water level when a boiler is being oil-fired, you should （）.
A. take no measures
B. extinguish the fire as soon as possible
C. feed water to the boiler
D. open the blow down valve
[单项选择]The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.
A. sheath-screw davit
B. gravity davit
C. radial davit
D. bruckner davit
[单项选择]（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
A. Recommended Direction of Traffic Flow
B. Roundabout
C. Separation Zone or Line
D. Precautionary Area
