更多"The ventilation system of your ship"的相关试题:
[单项选择]The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）
A. A fusible link will automatically open after a fire is extinguished and reset the damper
B. Fusible links must be replaced at every inspection for certification
C. Fusible links are tested by applying a source of heat to them
D. Fusible links must be replaced if a damper is activated
[单项选择]Your ship has run aground and it is necessary to determine whether or not a compartment has floodedTherefore, you should （）.
A. open the watertight door and take a quick look
B. open the hatch dogs on the side away from the hinges
C. tap the bulkhead with a hammer to check for a water level
D. feel the bulkhead to see if it is hot
[单项选择]The blower type crankcase ventilation system （）
A. removes combustible gases in the crankcase
B. prevents the formation of combustible gases in the crankcase
C. cools lubricating oil
D. improves cold weather starting
[单项选择]A diesel engine crankcase ventilation system （）
A. prevents spark generation
B. removes combustible gases
C. determines the level of combustible gases
D. provides inert gas generation in crankcase
[单项选择]Ship fire-fighting organization includes （）.
A. general alarm and fire control plans
B. muster stations and duties of individual
C. patrol system
D. All of the above
[单项选择]How many dry-power extinguishers has your ship exactly been（）.
A. produced
B. provided with
C. supplied by
D. met with
[单项选择]A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
A. comes over the bow
B. blows the fire back toward the vessel
C. comes over the stern
D. comes over either beam
[单项选择]Your ship must（）.
A. Reduce speed
B. Increase speed
C. Change speed
D. Stop engine
[单项选择]Your radar displays your ship off center．As you proceed on your course， your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called（）.
A. Off center
B. True motion
C. Stabilized
D. Head up
[单项选择]The amount of freeboard which a ship possesses has a tremendous effect on its（）.
A. initial stability
B. free surface
C. stability at large angles of inclination
D. permeability
[单项选择]A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.
A. used at the earliest opportunity
B. hydro-tested
C. recharged
D. weighed again in one month
[单项选择]When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.
A. air from contacting the oil vapors
B. permitting re-ignition boiling of the heated oil
C. spontaneous combustion below the oil surface
D. toxic fumes from escaping to the surface
[单项选择]Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?（）.
A. Cut the painter line so it will not pull the liferaft container down
B. Swim away from the container so you will not be in danger as it goes down
C. Take no action because the painter will cause the liferaft to inflate and open the container
D. Manually open the container and inflate the liferaft with the hand pump
[单项选择]Your ship is steaming at night with the gyropilot engaged. You notice that the vessel’s course is slowly changing to the right. Which action should you take FIRST?（）.
A. Notify the engine room of the steering malfunction
B. Change to hand steering
C. Call the Master
D. Send the Quartermaster to the emergency steering station
[单项选择]After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.
A. smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance
B. a lifeline and explosion proof flash light are used
C. all smoke and toxic fumes are removed and an adequate oxygen supply is present
D. overhaul has been completed to remove any possible source of re-ignition
