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
Rudder motion is prevented from exceeding the movement of the steering wheel by the（）
A
return springs
B
six-way valve
C
follow-up gear
D
differential gear
参考答案
参考解析
解析：
暂无解析
更多 “单选题Rudder motion is prevented from exceeding the movement of the steering wheel by the（）A return springsB six-way valveC follow-up gearD differential gear” 相关考题
考题
According to the passage which of the following is true?[A] A fixed star refers a star that is always stationary on the sky.[B] Scientists can tell the motion of the earth from the motions of other five planets.[C] Ancient people had scanty knowledge about the movement of the stars.[D] All the stars on the sky can be seen all the year around.
考题
When a sentence changes from a statement to a general／ special question, which movement is struc－turally required
A NP–movement/WH-movementB NP–movement/Aux-movementC AUX-movement/WH–movementD WH–movement/AUX-movement
考题
The “rudder adjustment” control on an autopilot steering stand is used to ______.A.align the rudder angle indicator with the true rudder angleB.set the number of degrees of rudder per degree of course errorC.set the departure from base course before actuating the rudderD.set the rate at which the rudder responds
考题
While inspecting the steering system at sea, you should check forA.air bubbles in the sight glassB.any leaks in the systemC.over-travel in the rudder angle indicatorD.lost motion in the rams
考题
The follow-up gear on an electro-hydraulic steering gearA.relieves excessive fluid pressureB.takes the pump off stroke when the desired rudder angle is attainedC.allows for rudder movement faster than the movement of the shipsD.returns the rudder to amidships when the wheel is release
考题
The helm command SHIFT YOUR RUDDER means ______．A.Check the swing of the vesselB.Double your rudder angle or go to full rudderC.Bring your rudder amidshipsD.Change from right rudder to left rudder，or vice versa，an equal number of degrees
考题
The securing systems for containers were developed to prevent container movement during which ship motion ________．A.SurgeB.RollC.SwayD.Yaw
考题
材料：A Passenger Ship Safety Certificate shall be issued for a period not exceeding 12 months．A Cargo Ship Safety Construction Certificate，Cargo Ship Safety Equipment Certificate and Cargo Ship Safety Radio Certificate shall be issued for a period specified by the Administration which shall not exceed five years．An Exemption Certificate shall not be valid for longer than the period of the certificate to which it refers.（i）When the renewal survey is completed within three months before the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：（1）for a passenger ship，a date not exceeding 12 months from the date of expiry of the existing certificate；（2）for a cargo ship，a date not exceeding five years from the date of expiry of the existing certificate；（ii）When the renewal survey is completed after the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：（1）for a passenger ship，a date not exceeding 12 months from the date of expiry of the existing certificate；（2）for a cargo ship，a date not exceeding five years from the date of expiry of the existing certificate；（iii）when the renewal survey is completed more than three months before the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：（1）for a passenger ship，a date not exceeding 12 months from the date of completion of the renewal survey；（2）for a cargo ship，a date not exceeding five years from the date of completion of the renewal survey．问题：The valid period of an Exemption Certificate for Cargo Ship Safety Equipment Certificate shall be ________．A.longer than five yearsB.shorter than five yearsC.longer than 12 monthsD.shorter than 12 monthsWhen the renewal survey is completed within one month before the expiry date of the existing Cargo Ship Safety Construction Certificate，the new certificate shall be valid ________．A.from the date of completion of the renewal survey to a date not exceeding 12 months from the date of expiry of the existing certificateB.from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing certificateC.from the date of expiry of the existing certificate to a date not exceeding 12 months from the dateD.from the date of expiry of the existing certificate to a date not exceeding five years from the dateIt can be concluded that the actual period of validity of a new Passenger Ship Safety Certificate is less than 12 months if the renewal survey is completed ________．A.4 months before its expiry dateB.3 months before its expiry dateC.2 months before its expiry dateD.after its expiry dateWhen the renewal survey is completed on a date which is 99 days before the expiry date of the existing Cargo Ship Safety Radio Certificate，the new certificate shall be valid ________．A.from the date of completion of the renewal survey to a date not exceeding 12 months from the date of expiry of the existing certificateB.from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing certificateC.from the date of expiry of the existing certificate to a date not exceeding 12 months from the dateD.from the date of completion of the renewal survey to a date not exceeding five years from that date请帮忙给出每个问题的正确答案和分析，谢谢！
考题
In an electro-hydraulic steering system, rudder movement is maitained in close synchronization with the steering wheel position by means of the ______.A.trick wheelB.follow-up controlC.six-way valveD.Rapson slide
考题
单选题The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.A
a test from the alternative power supply，if installedB
timing the movement of the rudder from hard over to hard overC
verification that the rudder angle indicator shows the actual position of the rudder(s)D
visual inspection of the steering linkage
考题
单选题When the helm demands a 20°right rudder movement from an electro-hydraulic steering gear, which of the listed actions will be the FIRST action to happen when this rudder position is attained?（）A
The six-way valve opensB
The steering service pump motor is stoppedC
The follow-up gear takes the pump off strokeD
The cylinder relief valves bypass oil to the suction side the pump
考题
单选题The transmission system is the means （）the movement of the rudder is accomplished.A
by whichB
to whichC
in whichD
at which
考题
单选题You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot.What should you do（）.A
obey the MasterB
obey the PilotC
bring the rudder to a position midway between the two conflicting ordersD
ask the Pilot if he relinquishes control
考题
单选题What describes a flood current（）.A
Horizontal movement of the water toward the land after high tideB
Horizontal movement of the water toward the land after low tideC
Horizontal movement of the water away from the land following high tideD
Horizontal movement of the water away from the land following low tide
考题
单选题Most hydraulic steering gears are fitted with relief valves which（）A
function when the rudder is amidshipsB
relieve excess whip pressure from the hydraulic oil systemC
protect the piping assembly from external rudder shockD
relieve excessive telemotor pressure
考题
单选题When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.A
prevent the towboat from sliding when the rudder is movedB
prevent the barges from spreading out when backing downC
hold the towboat securely to the bargesD
prevent the sidewise movement of the face barges
考题
单选题The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.A
transmitterB
tele-motorC
hydraulic ramD
hydraulic cylinder
考题
单选题Futurism, _____ early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.A
anB
beingC
that it was anD
that being
考题
单选题While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.A
Obeys the PilotB
Obeys the MasterC
Asks you for instructionsD
Brings the rudder to a point midway between the two conflicting positions
考题
单选题The rotary motion of a diesel engine crankshaft is obtained from the up and down motion of the piston via the （）.A
camshaftB
reduction gearsC
rocker armD
connecting or piston rod
考题
单选题Which of the devices listed, when used on an electro-hydraulic steering gear, keeps the movement of the redder closely in step with the steering wheel?（）A
The follow-up gearB
The rudder angle indicatorC
The synchronous electric transmitterD
A rudder angle limit switch
考题
单选题As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）A
in motion, providing a null inputB
not in motion, thus providing a null inputC
in motion, providing an input to place the main pump on maximum strokeD
in motion, providing an input to place the main pump at null stroke
考题
单选题While inspecting the steering system at sea, you should check for （）.A
air bubbles in the sight glassB
any leaks in the systemC
over-travel in the rudder angle indicatorD
lost motion in the rams
考题
单选题The hand steering is a method by which the motion of the rudder is controlled with （）.A
a motor-driven steering wheelB
a pneumatic steering wheelC
a hand-driven steering wheelD
an electric steering wheel
考题
单选题Futurism, ______ early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.A
an B
beingC
that it was an D
that being
考题
单选题The securing systems for containers were developed to prevent container movement during which ship motion?（）.A
SurgeB
RollC
SwayD
Yaw
热门标签
最新试卷