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）
如果垂尾上作用有负侧力，则该侧力会产生 偏航力矩. If the side force acting on the rudder is negative, this side force will generate a yawing moment.
A．左 left
B．右 right
C．上 upward
D．下 downward
参考答案和解析
右
更多 “如果垂尾上作用有负侧力，则该侧力会产生 偏航力矩. If the side force acting on the rudder is negative, this side force will generate a yawing moment.A．左 leftB．右 rightC．上 upwardD．下 downward” 相关考题
考题
( ) looking at the positive side of life, he always pays attention to the negative side,A、More thanB、Except forC、ExceptD、Rather than
考题
A tug may be in danger of tripping when ______.A.towed sideways by an overwhelming force on the towlineB.her tow moves parallel to and forward on either side of the tugC.the tow is no longer directly astern but moves up on her quarterD.All of the above
考题
______ are experienced in temperate latitudes during warm summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline．A.Trade WindsB.Winds of the temperate zonesC.MonsoonsD.Land and Sea Breezes
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
单选题（）means rudder to be held in the force and aft angles.A
SteadyB
Meet herC
MidshipsD
Stop engines
考题
单选题Sidewise force of the propeller tends to throw a vessel’s stern to the right or left，depending on rotation. This force is caused by（）.A
back current from the rudderB
greater pressure on the right or left side of the propeller，depending on rotationC
lower pressure on the right or left side of the propeller，depending on rotationD
torque from the velocity and angle at which the surrounding water impinges upon the propeller blades
考题
单选题When towing astern，one way to reduce yawing of the tow is to（）.A
trim the tow by the sternB
trim the tow by the headC
have the tow on an even keelD
list the tow on the side it is yawing
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 tug may be in danger of tripping when（）.A
towed sideways by an overwhelming force on the towlineB
her tow moves parallel to and forward on either side of the tugC
the tow is no longer directly astern but moves up on her quarterD
All of the above
考题
单选题A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.A
If one screw is stopped，the ship will turn toward the side of the stopped screwB
The principal force which turns the ship is set up by the wake against the forward side of the rudderC
Turning response by use of the rudder only is greater than on a single-screw vesselD
With the rudder amidships，the ship will steer a fairly steady course
考题
单选题If the buoyant force on a ships hull is equal to or greater than the displacement tonnage, the ship will （）.A
require ballast added to only the port side tanksB
be down by the headC
sinkD
float
热门标签
最新试卷