Flanking rudders effect a vessel’s heading because of the ______.A.effect of the propeller flow on the ruddersB.water flow due to the vessel’s movement through the waterC.tunnel affect of the water flow past opposing ruddersD.discharge current being chann

题目

Flanking rudders effect a vessel’s heading because of the ______.

A.effect of the propeller flow on the rudders

B.water flow due to the vessel’s movement through the water

C.tunnel affect of the water flow past opposing rudders

D.discharge current being channeled to impinge on the vessel’s deadwood

相似考题

1.The command MEET HER means the helmsman should ______.A.decrease the rudder angleB.steer more carefullyC.use rudder to slow the vessel’s swingD.note the course and steady on that heading

2.Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel．This kind of wording usually appeared on ______.A.ship surveyor's reportB.a ship's certificateC.a cargo inspection reportD.a diver survey report

3.A vessel is equipped with twin propellers，both turning outboard with the engines half ahead.If there is no wind or current and the rudders are amidships，what will happen?A.The bow will swing to starboardB.The bow will swing to portC.The vessel will steer a zigzag courseD.The vessel will steer a fairly straight course

4.A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB.When going directly from full ahead to full astern，there is complete steering controlC.When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

参考答案和解析
正确答案：A
侧面舵影响着船首向，因为螺旋桨水流作用在舵叶上。
更多“Flanking rudders effect a vessel’s heading because of the ______.A.effect of the propeller ”相关问题

  • 第1题：

    On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put ______．

    A.full ahead

    B.full astern

    C.half ahead

    D.slow astern


    正确答案：B

  • 第2题：

    Heeling error is defined as the change of deviation for a heel of ______．

    A.2° while the vessel is on an intercardinal heading

    B.1° while the vessel is on a compass heading of 000°

    C.2° and is constant on all headings

    D.1° while the vessel is on a compass heading of 180°


    正确答案：B

  • 第3题：

    In midocean，the characteristics of a wave are determined by three factors．What is NOT one of these factors?

    A.Effect of the moon’s gravity

    B.Fetch

    C.Wind velocity

    D.Length of time a wind has been blowing


    正确答案：A
    在海洋中央，波浪的特性由三个因数决定，月球引力的影响不是原因之一。

  • 第4题：

    单选题
    On open waters，a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel’s starboard side. Which vessel is the stand-on vessel?（）.
    A

    The fishing vessel because it is to port of the sailing vessel

    B

    The fishing vessel because it is fishing

    C

    The sailing vessel because it is to starboard of the fishing vessel

    D

    The sailing vessel because it is sailing


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.
    A

    discharge current

    B

    suction current

    C

    sidewise force

    D

    thrust


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
    A

    from the ship's propeller when making up aft

    B

    from being overrun if making up forward

    C

    hull damage while alongside passing a hawser

    D

    getting in a tripping position


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Flanking rudders effect a vessel’s heading because of the（）.
    A

    effect of the propeller flow on the rudders

    B

    water flow due to the vessel's movement through the water

    C

    tunnel affect of the water flow past opposing rudders

    D

    discharge current being channeled to impinge on the vessel's deadwood


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The compass heading of a vessel differs from the true heading by（）.
    A

    compass error

    B

    variation

    C

    magnetic dip

    D

    deviation


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    The heading of a vessel is indicated by what part of the compass? （）
    A

    Card

    B

    Needle

    C

    Lubber's line

    D

    Gimbals


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Inspection of a vessel’s propeller during dry-dock should include （）
    A

    noting the condition of the fairwater

    B

    inspection of the keyway

    C

    logging inspection results in the official deck log

    D

    all of above


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A current perpendicular to a vessel’s track has the greatest effect on the vessel’s course made good（）.
    A

    at high vessel speeds

    B

    at low vessel speeds

    C

    in shallow water

    D

    in deep water


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put（）.
    A

    full ahead

    B

    full astern

    C

    half ahead

    D

    slow astern


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south ________．

    A.Quadrantal spheres

    B.Heeling magnets

    C.Flinders bar

    D.Fore-and-aft magnets


    正确答案：B

  • 第14题：

    As the displacement of a vessel increases,. the detrimental effect of free surface ______.

    A.increases

    B.decreases

    C.remains the same

    D.may increase or decrease depending on the fineness of the vessel’s form


    正确答案：B
    当船舶的吃水增加，不利影响的自由液面将减少。

  • 第15题：

    单选题
    A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.
    A

    When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result

    B

    When going directly from full ahead to full astern，there is complete steering control

    C

    When the vessel has headway and the propeller is in neutral，there is no effect on rudder control

    D

    When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    On a single-screw vessel the stern frame（）.
    A

    furnishes support to the rudder，propeller shaft，and transom frame

    B

    provides foundations for after mooring winches

    C

    provides foundations for the main propulsion engines

    D

    transfers the driving force of the propeller to the hull


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    As the displacement of a vessel increases, the detrimental effect of free surface（）.
    A

    increases

    B

    decreases

    C

    remains the same

    D

    may increase or decrease depending on the fineness of the vessel's form


    正确答案： D
    解析： 暂无解析

  • 第18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 rudder

    B

    greater pressure on the right or left side of the propeller，depending on rotation

    C

    lower pressure on the right or left side of the propeller，depending on rotation

    D

    torque from the velocity and angle at which the surrounding water impinges upon the propeller blades


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Upon underwater detection, there were no apparent defects on the bottom plates, bilge keels,rudder and propeller of the said vessel. This kind of wording usually appeared on（）.
    A

    ship surveyor's report

    B

    a ship's certificate

    C

    a cargo inspection report

    D

    a dive survey report


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south（）.
    A

    Quadrantal spheres

    B

    Heeling magnets

    C

    Flinders bar

    D

    Fore-and-aft magnets


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Variation is the angular measurement between（）.
    A

    compass north and magnetic north

    B

    compass north and true north

    C

    magnetic meridian and the geographic meridian

    D

    your vessel's heading and the magnetic meridian


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    A vessel is equipped with twin propellers，both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships，what will happen?（）
    A

    The bow will swing to starboard

    B

    The bow will swing to port

    C

    The vessel will steer a zigzag course

    D

    The vessel will steer a fairly straight course.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    The effect of free surface on initial stability depends upon（）.
    A

    the amount of liquid in the compartment

    B

    the dimensions of the liquid surface and the vessel's displacement

    C

    only the length of the compartment

    D

    the vertical position of the liquid in the vessel


    正确答案： A
    解析： 暂无解析

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