更多"The term flood current refers to th"的相关试题:
[单项选择]Current refers to the（）.
A. vertical movement of the water
B. horizontal movement of the water
C. density changes in the water
D. None of the above
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relief valves
[单项选择]Stand of the tide is that time when（）.
A. the vertical rise or fall of the tide has stopped
B. slack water occurs
C. tidal current is at a maximum
D. the actual depth of the water equals the charted depth
[单项选择]When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.
A. leave the access door partially open
B. enter from the lowest level
C. enter from the highest level
D. attempt to operate machinery
[单项选择]What does the term head mean when applied to a fire pump?（）
A. Length of the discharge pipe
B. Height of the discharge pipe
C. Difference between the discharge and suction pressures
D. Sum of discharge and suction pressures
[单项选择]The term PINTLE AND GUDGEON are associated with the（）.
A. anchor windlass
B. jumbo boom
C. rudder
D. steering engine
[单项选择]The term restricted visibility，when used in the Rules，refers to（）.
A. situations when you can see vessels on radar that you cannot see visually
B. visibility of less than half a mile
C. any condition where visibility is restricted
D. visibility where you cannot see shore
[单项选择]The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is （）.
A. ad valorem
B. infinite
C. secure
D. specific
[单项选择]When using the term limber system one is referring to a（）.
A. Cleaning system
B. Drainage system
C. Strengthening system
D. Weight reduction system
[单项选择]When daylight savings time is kept，the time of tide and current calculations must be adjusted.One way of doing this is to（）.
A. Add one hour to the times listed under the reference stations
B. Subtract one hour from the time differences listed for the subordinate stations
C. Apply no correction as the times in the reference stations are adjusted for daylight savings time
D. Add 15° to the standard meridian when calculating the time difference
[单项选择]When referring to dry bulk cargoes，the term “flow state”（）.
A. designates the state of a commodity when the ship is heeled past the angle of repose
B. relates to the suitability of loading a cargo by flowing down inclined chutes
C. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°
[单项选择]When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.
A. No further securing is usually required
B. Containers must have vertical lashings if they do not have twist lock securing
C. All containers must have vertical and horizontal lashings
D. The container must be locked into the cell guide
[单项选择]When the general alarm is sounded continuously, the engine room personnel should （）.
A. proceed to their man overboard stations
B. start the fire pump
C. put on lifejackets and go to their abandon ship stations
D. secure the propulsion diesel engines and evacuate the engine room
[单项选择]When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.
A. aimed at the source of the flames
B. fogged above the equipment
C. shot off a flat surface onto the flames
D. used to shield against electrical shock
[单项选择]What is it called when it is possible to ignite the vapour above the oil?（）
A. Flash point
B. Boiling point
C. Ignition point
D. Pour point
