更多"An inclined semisubmersible with a "的相关试题:
[单项选择]A semisubmersible which flops between forward and aft angles of trim is likely to have（）.
A. KML less than KGL
B. an off-center LCG
C. LCG greater than LCB
D. KML greater than KMT
[单项选择]A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have（）.
A. a large TCG
B. a negative GM
C. excessive ballast
D. insufficient deck load
[单项选择]A semisubmersible rig under tow should be ballasted down if（）.
A. motion begins to be excessive
B. water begins to break over the pontoons
C. period of roll exceeds 12 seconds
D. forward progress is halted by head wind
[单项选择]On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
A. submerged hulls
B. quarters
C. columns and upper structure
D. submerged connecting structures
[单项选择]The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.
A. submerged hulls
B. column void spaces
C. dry mud tanks
D. ballast tanks
[单项选择]A semisubmersible with a positive GM，and TCG located starboard of the centerline，inclines to an angle of（）.
A. heel
B. trim
C. list
D. loll
[单项选择]A semisubmersible with a negative GM flops to an angle of（）.
A. heel
B. trim
C. list
D. loll
[单项选择]The radio waves used for radar are very short，only（）long.
A. a few centimeters
B. a few fathoms
C. a few meters
D. a few feet
[单项选择]For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.
A. righting moment
B. vertical moment
C. longitudinal moment
D. transverse moment
[单项选择]When a vessel is inclined by an external force，the（）.
A. shape of the vessel's underwater hull remains the same
B. vessel's center of gravity shifts to the center of the vessel's underwater hull
C. vessel's center of buoyancy shifts to the center of the vessel's underwater hull
D. vessel's mean draft increases
[单项选择]A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.
A. positive
B. negative
C. zero
D. vertical
[单项选择]A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.
A. positive
B. negative
C. zero
D. vertical
[单项选择]Roll-on／roll-off ships are equipped with（）.
A. cargo elevators
B. conveyor belts
C. ramps
D. derricks and winches for cargo handling
[简答题]集装箱滚装卸作业方式（Roll on/Roll off system）应遵循哪些原则？
[单项选择]哪些舵面具有ROLL功能（）
A. 每边的副翼
B. 每边的副翼加每边的扰流板
C. 每边的副翼加每边的2—6号扰流板
[单项选择]Three SHORT BLASTS mean（）.
A. I am altering my course to starboard
B. I am altering my course to port
C. I am operating astern propulsion
D. I am operating ahead propulsion
[单项选择]If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.
A. system was overcharged with refrigerant
B. system was low on refrigerant
C. suction valves were leaking slightly
D. relief valve was leaking slightly
