A.pumped overboard to calm the seas
B.drained to the lower hull to reduce free surfaces
C.filled to ensure that sufficient fuel oil is available during a lengthy emergency
D.partially drained to increase free surfaces in order to reduce motions
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A.broaching
B.pitchpoling
C.rolling
D.yawing
A.The amount of take-up is limited by the length of the turnbuckle
B.At the grab (pear) link,the slack end of chain should be led back and secured to the chain above the link
C.The lashings should be inspected each day and any slack taken up
D.The turnbuckle should be secured with a stick or lock nuts
A.A pumping of the barometer up and down a few millibars
B.A sudden wind shift from southwest to northwest followed by steadily increasing winds
C.The normal swell pattern becoming confused,with the length of the swell increasing
D.An overcast sky with steadily increasing rain from nimbostratus clouds
A.in trays constructed of material that is resistant to the electrolyte
B.so as to prevent movement when the vessel pitches and rolls
C.in a well ventilated area
D.All of the above
A.pitch
B.sway
C.heave
D.roll
A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period
A.ballasting
B.deballasting
C.disconnecting
D.hanging off
A.direct pressure on the wound
B.elevating the wounded area
C.pressure on a pressure point
D.a tourniquet above the wound
A.angle that the propeller makes with a free stream of water
B.angle that the propeller makes with the surface of the water
C.number of feet per revolution the propeller is designed to advance in still water without slip
D.positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
A.a margin of safety is provided should the line part
B.the towline will wear more evenly
C.there will be less stress on the towline
D.a slight increase in speed will be realized
最新试题
The principal action in changing from transit to survival draft in the event heavy weather threatens is().
The main reason a long towline is used during an oceantow is that().
To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located().
Point Judith Harbor of Refuge().
What indicates that a tropical cyclone may be within 500 to 1,000 miles of your position?()
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? ()
The vertical movement of a vessel in the water is called().
Which statement is TRUE concerning hawser towing? ()
The pitch of a propeller is a measure of the().
When running before a heavy sea,moving weights aft will affect the handling of a vessel by ().