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)
单选题
The distance that a ship moves forward with each revolutionof its propeller,if there is no slip,is called().
A
advance
B
head reach
C
pitch
D
transfer
参考答案
参考解析
解析:
暂无解析
更多 “单选题The distance that a ship moves forward with each revolutionof its propeller,if there is no slip,is called().A advanceB head reachC pitchD transfer” 相关考题
考题
In moving forward, a ship imparts forward motion to the water at the stems, this is known as _____.A.the speed of the vesselB.the speed of the propellerC.the wakeD.the wake fraction
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
The ______ is used when a ship is moving forward at very slow speed due to minimal water flow over the rudder and the ship is not responding to helm.A.approach speedB.bow thrustC.transverse thrustD.kick ahead
考题
In relation to the turning circle of a ship, the term transfer means the distance ______.A.gained in the direction to the original courseB.gained at right angles to the original courseC.the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put overD.around the circumference of the turning circle
考题
In ship construction, keel scantlings should be the greatest ______.A.at each frameB.amidshipsC.one-third the distance from the bowD.one-third the distance from the stern
考题
从水线到船底是“吃水”。()A、“From the centerline to the ship’s bottom” is “draft”.B、“From the keel to the ship’s bottom” is “draft”.C、The maximum distance from the waterline to the ship’s bottom is “draft”.D、“From the centerline to the ship’s main deck” is “draft”.
考题
Which statement is true about vishing?()A、Influencing users to forward a call to a toll number (for example, a long distance or international number)B、Influencing users to provide personal information over a web pageC、Using an inside facilitator to intentionally forward a call to a toll number (for example, a long distance orinternational number)D、Influencing users to provide personal information over the phone
考题
Many businesses ship their products by rail if they are shipping long distance because it can be()to ship in large quantities by rail than by truck.A、more expensiveB、cheaperC、fasterD、safer
考题
单选题The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the().A
air gapB
freeboardC
penetrationD
water depth
考题
单选题Your radar displays your ship off center.As you proceed on your course, your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called().A
Off centerB
True motionC
StabilizedD
Head up
考题
单选题As a ship moves through the water,it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called().A
propeller velocityB
speed of advanceC
wake distributionD
wake fraction
考题
单选题A ship is side to be()when the whole ship moves bodily to port and then to starboard.A
rollingB
pitchingC
heavingD
swaying
考题
单选题A ship will always want to settle into a position where().A
the pivot point and point of influence of wind in are not in alignmentB
the pivot point and point of influence of wind in are in alignmentC
the point of influence of wind moves depending on the profile of the ship presented to the windD
the ship steams slowly in rough seas
考题
单选题Two tugs are helping the ship. One is pulling from forward, the other is ().A
pulling aftB
pushing foreC
pushing aftD
pulling fore
考题
单选题As a ship moves through the water,it causes a wake,which is also moving forward relative to the sea. In addition to a fore and aft motion,this wake also has a(n)().A
downward and inward flowB
downward and outward flowC
upward and inward flowD
upward and outward flow
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In relation to the turning circle of a ship , the term transfer means the distance().A
gained in the direction of the original courseB
gained at right angles to the original courseC
the ship moves sidewise from the original course awayfrom the transfer means the distanceD
around the circumference of the turning circle
考题
单选题()length of the ship measured from extreme points of the ship forward and aft.A
Length overallB
After perpendicularC
AmidshipsD
Extreme breadth
考题
单选题()is a roud-shaped underwater part in the front of the ship.The purpose is to cre-ate less friction with water so that the ship moves more easily.A
The bulbous bowB
The anchorC
The bow thrusterD
The propeller
考题
单选题When is the density of the water required to be logged in the logbook of a ship?()A
Any time the vessel moves from water of one density into waters of a different densityB
Prior to getting underway when the vessel is floating in fresh or brackish waterC
Only when the vessel moves from fresh water into salt waterD
The density of the water is not required to be logged in the unofficial logbook
考题
单选题On a ship,how many ring buoys are required to have a buoyant line attached?()A
One ring life buoyB
One ring life buoy on each side of the shipC
Three ring life buoysD
Two ring life buoys on each side of the ship
考题
单选题从水线到船底是“吃水”。()A
“From the centerline to the ship’s bottom” is “draft”.B
“From the keel to the ship’s bottom” is “draft”.C
The maximum distance from the waterline to the ship’s bottom is “draft”.D
“From the centerline to the ship’s main deck” is “draft”.
考题
单选题The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the().A
advanceB
drift angleC
pivoting pointD
transfer
考题
单选题The distance a vessel moves at right angles to the original course,when a turn of 180°has been completed,is called the().A
advanceB
pivoting pointC
tactical diameterD
kick
考题
单选题On a ship,each emergency generator must be tested at least once each().A
weekB
monthC
three monthsD
six months
热门标签
最新试卷