网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
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.longitudinal moment
C.transverse moment
D.vertical moment
参考答案
更多 “ 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 momentB.longitudinal momentC.transverse momentD.vertical moment ” 相关考题
考题
The numeral in the center of a wind rose circle on a pilot chart indicates the ______.A.total number of observationsB.average wind force on the Beaufort scaleC.average wind force in knotsD.percentage of calms
考题
A vessel is "listed" when it is ______.A.down by the headB.down by the sternC.inclined due to off-center weightD.inclined due to wind
考题
With no environmental forces acting on the vessel,the center of gravity of an inclined vessel is vertically aligned with the ______.A.longitudinal centerlineB.center of flotationC.original vertical centerlineD.metacenter
考题
A wind vane on a moving vessel shows ______.A.dead reckoning wind directionB.true wind directionC.apparent wind directionD.estimated wind direction
考题
An anemometer on a moving vessel measures ______.A.apparent wind speed onlyB.true wind speed and true wind directionC.true wind speed onlyD.apparent wind speed and true wind direction
考题
As the weather was worsening and wind force rising to 8, my vessel ______ were yawing within forty degrees of the compass.A.alongside the wharfB.grounded in the channelC.at buoysD.at anchor
考题
For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ______.A.only when there is positive stabilityB.only when there is negative stabilityC.only when there is neutral stabilityD.at all times
考题
If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.A.hold course and speedB.sound the danger signalC.keep out of the way of the other vesselD.turn to port and come into the wind
考题
单选题While your vessel is docked port side to a wharf,a sudden gale force wind causes the vessel’s bow lines to part.The bow begins to fall away from the dock,and no tugs are immediately available.Which measure(s)should you take FIRST().A
Call the Master and the deck gangB
Slip the stern lines,let the vessel drift into the river,and then anchorC
Let go the starboard anchorD
Obtain assistance and attempt to put some new bow lines out
考题
单选题When evacuating a seaman by helicopter lift,the vessel should be().A
stopped with the wind dead aheadB
stopped with the wind on the beamC
underway with the wind 30°on the bowD
underway on a course to provide no apparent wind
考题
单选题If the buoyant force on a ship’s hull is equal to the displacement tonnage,the ship will().A
require ballastB
be down by the headC
sinkD
float
考题
单选题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 momentB
vertical momentC
longitudinal momentD
transverse moment
考题
单选题When a vessel is inclined by an external force,the().A
shape of the vessel's underwater hull remains the sameB
vessel's center of gravity shifts to the center of the vessel's underwater hullC
vessel's center of buoyancy shifts to the center of the vessel's underwater hullD
vessel's mean draft increases
考题
单选题If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause().A
require ballastB
be down by the headC
sinkD
float
考题
单选题Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the().A
upward-acting weight forceB
downward-acting weight forceC
upward-acting buoyant forceD
environmental force
考题
单选题As the weather was worsening and wind force rising to 8,my vessel()were yawing within forty degrees of the compass.A
alongside the wharfB
grounded in the channelC
at buoysD
at anchor
考题
单选题A moment is obtained by multiplying a force by its().A
coupleB
lever armC
moment of inertiaD
point of application
考题
单选题Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?().A
With the wind from aheadB
With the wind off the port beamC
With the wind off the starboard beamD
With the wind from abaft the beam
考题
单选题The tendency of a vessel to return to its original trim after being inclined by an external force is().A
equilibriumB
buoyancyC
transverse stabilityD
longitudinal stability
考题
单选题An anemometer on a moving vessel measures().A
apparent wind speed onlyB
true wind speed and true wind directionC
true wind speed onlyD
apparent wind speed and true wind direction
考题
单选题For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force().A
only when there is positive stabilityB
only when there is negative stabilityC
only when there is neutral stabilityD
at all times
考题
单选题The numeral in the center of a wind rose circle on a pilot chart indicates the ().A
total number of observationsB
average wind force on the Beaufort scaleC
average wind force in knotsD
percentage of calms
考题
单选题Reserve buoyancy is the().A
unoccupied space below the waterlineB
volume of intact space above the waterlineC
excess of the buoyant force over the gravity forceD
difference in the buoyant force in salt and fresh waters
考题
单选题The vertical angle between the horizontal and the magnetic line of force is the().A
elevationB
magnetic angleC
vertical angleD
dip
考题
单选题Magnets are placed in horizontal trays in the compass binnacle to compensate for the().A
induced magnetism in the vessel's horizontal soft ironB
change in the magnetic field when the vessel inclines from verticalC
permanent magnetism of the vesselD
magnetic fields caused by electrical currents in the vicinity
热门标签
最新试卷