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“Vertical machining center”应翻译为是“卧式加工中心”。
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考题
Of the following, the most important consideration for a tank vessel is ______.A.GMB.the vertical center of gravityC.the longitudinal center of gravityD.the stress on the hull
考题
On a vessel, multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n) ______.A.transverse momentB.vertical momentC.righting momentD.inclining moment
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考题
The righting moment can be determined by multiplying the displacement by the ______.A.vertical center of gravity(KG)B.longitudinal center of gravity(LCG)C.righting arm(GZ)D.center of gravity(CG)
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 vertical shift of weight to a position above the vessel’s center of gravity will ______.A.increase reserve buoyancyB.decrease the righting momentsC.decrease KGD.increase KM
考题
Aboard a vessel, dividing the sum of the vertical moments by total weight yields the vessel’s_____.A.height of the center of gravityB.vertical momentsC.righting momentsD.inclining moments
考题
At all angles of inclination, the metacenter is ______.A.vertically above the center of buoyancyB.vertically above the center of gravityC.at the intersection of the upright vertical centerline and the line of action of the buoyant forceD.at the geometric center of the underwater volume
考题
如果使用LinearLayout实现组件垂直排列,那么在xml中应添加什么属性进行设置?()A、android:orientation="vertical"B、android:vertical="true"C、android:orientation="horizontal"D、android:horizontal="true"
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以下标签,错误的是()A、text-left用于左对齐B、text-center水平居中对齐C、text-vertical垂直居中对齐D、text-uppercase可以将文字全部大写
考题
单选题The center of flotation of a vessel is().A
the center of volume of the immersed portion of the vesselB
the center of gravity of the water planeC
that point at which all the vertical downward forces of weight are considered to be concentratedD
that point at which all the vertical upward forces of buoyancy are considered to be concentrated
考题
单选题Aboard a vessel, dividing the sum of the vertical moments by the total weight yields the vessel’s().A
height of the center of gravity A.LCGB
vertical momentC
righting momentD
inclining moment
考题
单选题Of the following,the most important consideration for a tanker is().A
GMB
the vertical center of gravityC
the longitudinal center of gravityD
the stress on the hull
考题
单选题Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s().A
vertical momentB
transverse position of the center of gravityC
inclining momentD
righting moment
考题
单选题The center of buoyancy is located at the().A
geometric center of the waterplane areaB
intersection of the vertical centerline and line of action of the buoyant forceC
center of gravity of the vessel corrected for free surface effectsD
geometric center of the displaced volume
考题
单选题If the vertical center of gravity (VCG) of a ship rises 1.7 feet,the righting arm (GZ) for the various angles of inclination will().A
decreaseB
increaseC
remain unchangedD
be changed by the amount of GG' x cosine of the angle
考题
单选题Which of the listed effects represents the purpose of heat treating steel?()A
Develop ductilityB
Improve machining qualitiesC
Relieves stressesD
All of the above
考题
单选题A vessel servicing a pipeline during the day shall display().A
three black shapes in a vertical line; the highest and lowest are balls,and the middle one is a diamondB
three shapes in a vertical line; the highest and lowest are red balls,and the middle one is a white diamondC
three black balls in a vertical lineD
two black balls in a vertical line
考题
单选题At all angles of inclination, the metacenter is().A
vertically above the center of buoyancyB
vertically above the center of gravityC
at the intersection of the upright vertical centerline and the line of action of the buoyant forceD
at the geometric center of the underwater volume
考题
单选题A vessel transferring provisions or cargo at sea shall display during the day().A
two black balls in a vertical lineB
three black balls in a vertical lineC
three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamondD
three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond
考题
单选题A vertical shift of weight to a position above the vessel’s center of gravity will().A
increase reserve buoyancyB
decrease the righting momentsC
decrease KGD
increase KM
考题
单选题Molded depth is measured from the().A
inside of the shellB
outside of the shellC
top of the center vertical keelD
top of the garboard stake
考题
单选题The margin plate is the().A
outboard strake of plating on each side of an innerbottomB
outer strake of plating on each side of the main deck of a vesselC
plate which sits atop the center vertical keelD
uppermost continuous strake of plating on the shell of a vessel
考题
单选题0f the following, the most important consideration for a tank vessel is().A
GMB
the vertical center of gravityC
the longitudinal center of gravityD
the stress on the hull
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