海船船员考试
单选题When the vessels steering wheel on the navigation bridge is turned, the difference existing between the position of the wheel and that of the rudder is known as （）.A proportional bandB the error signalC the reset signalD feedback
题目
proportional band
the error signal
the reset signal
feedback
相似问题和答案
第1题：
材料：Navigation in the canal
It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．
Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．
问题：PILOT HOUSE is referred to ______ in this passage．
A.the cabin in which the pilot stays
B.the space in which the rudder is located
C.the bridge of vessels
D.the cabin which is prepared for the pilot
SHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by sea
B.the procedures of marine transportation business
C.the management of marine transportation business
D.the vessels and ships
The author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this area
B.mariners should take it easy when navigating in this area
C.modern instrument should be used to control the safety of navigation in this area
D.it is dangerous when navigating in this area
The person on the bridge or in the pilot house shall be those ______ ．A.who are recommended
B.who are familiar with the navigation，management，operation and safety control
C.who are directly involved in the navigation，management，operation and safety control
D.who have nothing to do with the navigation，management，operation and safety control
请帮忙给出每个问题的正确答案和分析，谢谢！
问题 2 答案解析：D
问题 3 答案解析：D
问题 4 答案解析：C
第2题：
When the helm is turned on the navigation bridge，which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear ________．
A.The pumps go to full stroke
B.The six-way valve aligns itself with the running pump
C.Both port and starboard cables are energized
D.The synchronous receiver turns，duplicating the helm motion
第3题：
Navigation lights must be displayed in all weathers from sunset to sunrise. They also _____.
A.must be displayed when day signals are being used
B.must be displayed when moored to a pier
C.may be extingushed at night on open waters when no other vessels are in the area
D.may be displayed during daylight
航行号灯必须在任何天气里从日落到日出时间里被显示。它们还可能在白天被显示。
第4题：
Introducing the product, This product generally ships within 2 business day （s） from Pinellas Park, Fords and weighs 2 pound （s）. Attaches to your steering wheel for easy access to a writing and drink storage surface. The Go Office Wheel Mate Steering Wheel Desk is flat for writing and perfect for lunch or a snack. This Go Office Wheel Mate Steering Wheel Desk stores neatly in your car when used with the larger Auto Exec Laptop Car Desk. For safety reasons, never use this product
while driving. Easily convert your car into your personal automobile office with the Wheel Mate car desk by this product.
For safety, it is advised not to use this product when you are _______
B. working at office
C. driving a car
D. writing a letter
第5题：
材料：
It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the canal，and master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．
Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area. Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．
问题：
PILOT HOUSE is referred to ________ in this passage．
A.the cabin in which the pilot stays
B.the space which the rudder is located
C.the bridge of vessels
D.the cabin which is prepared for the pilot
SHIPPING is referred ________ in this passage．A.the operations of transportation of GOODs by sea
B.the procedures of marine transportation business
C.the management of marine transportation business
D.the vessels and ships
The person on the bridge or in the pilot house shall be those ________．A.who are recommended
B.who are familiar with the navigation．management．Operation and safety control
C.who are directly involved in the navigation，management，operation and safety control
D.who have nothing to do with the navigation，management，operation and safety control
The author implies that ________．A.even by making use of modern instrument it is difficult to maintain safety in this area
B.mariners should take it easy when navigating in this area
C.modern instrument should be used to control the safety of navigation in this area
D.it is dangerous when navigating in this area
请帮忙给出每个问题的正确答案和分析，谢谢！
问题 2 答案解析：D
问题 3 答案解析：C
问题 4 答案解析：D
第6题：
When steering by hand，which of the following may be a functional input to the steering gear as a result of turning the wheel ________．
A.Non-follow-up
B.Rudder adjustment
C.Weather adjustment
D.All the above may be activated
第7题：
Which statement about tunnel bow thrusters fitted to large vessels is TRUE ________．
A.They are effective on most vessels at speeds up to 10 knots
B.Because of their location，most modern installations have as much power as a tug
C.They are fully effective at all drafts
D.When going astern at slow speed，they provide effective steering control
第8题：
The follow-up gear on an electro-hydraulic steering gear
A.relieves excessive fluid pressure
B.takes the pump off stroke when the desired rudder angle is attained
C.allows for rudder movement faster than the movement of the ship&39;s
D.returns the rudder to amidships when the wheel is release
第9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 wheel
B.follow-up control
C.six-way valve
D.Rapson slide
在一个电动液压转向系统，舵运动通过随动装置保持与方向盘位置同步。
第10题：
Introducing the product, This product generally ships within 2 business day （s） from Pinellas Park, Fords and weighs 2 pound （s）. Attaches to your steering wheel for easy access to a writing and drink storage surface. The Go Office Wheel Mate Steering Wheel Desk is flat for writing and perfect for lunch or a snack. This Go Office Wheel Mate Steering Wheel Desk stores neatly in your car when used with the larger Auto Exec Laptop Car Desk. For safety reasons, never use this product
while driving. Easily convert your car into your personal automobile office with the Wheel Mate car desk by this product.
Who may use this product?
B. Writers
C. Office works
D. Car repairmen