1、三副航海英语习题讲解72017航海英语复习七Keyword 26:Ship maneuvrability (27)B812. Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead,the bow will tend to go _. A. to starboard B. to port C. straight ahead D. as influenced by the tide and sea【知识点】螺旋桨的致偏效应【解析】右旋单车船,静
2、止中进车,正舵,则船首向右偏。船速低,伴流、排出流、上升斜流等影响较小,主要服从于沉深横向力。相关题目C822. 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. ThrustA807. Your vessel is a single-screw ship with a right-hand propeller. There is no curr
3、ent .The easiest way to make a landing is .A. port side to B. starboard side to C. dropping anchor and swinging the ship into the pier D. either port or starboard side to, with no difference in degree of difficulty【知识点】螺旋桨的致偏效应【解析】右旋单车船,无流,左舷靠码头最简单。(倒车时船首右偏)相关题目C849、It is easier to dock a right hand
4、 , single screw vessel _.A. starboard side to the wharf B. either side to the wharfC. port side to the wharf D. stern to the wharf B811. A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind, the vessel will most likely back _.A.straight astern B. to port C. to s
5、tarboard D. in no particular direction【知识点】螺旋桨的致偏效应【解析】考试频率极高!向左倒退。B1024. 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【知识点】螺旋桨的致偏效应【解析】横向力最大是在倒车时。相关题目A1070. Generally, you can
6、 best keep a vessel under steering control, when the vessel has _A. Headway B. Sternway C. No way on, with engines stopped D. No way on, with engines full aheadA1119. Your vessel is port side to a pier with a spring line led aft from the bow. In calm weather, putting the engines ahead with the rudde
7、r hard left should bring _.A. the bow in and the stern out B. both the bow and stern inC. The bow out and the stern in D. both the bow and stern out【知识点】车、舵、缆的综合作用【解析】左舷靠在码头上,系一条首倒缆,无风流天气下,进车、左满舵,将使船头向里船尾向外偏转。相关题目D802. A twin-screw vessel can clear the inboard propeller and maneuver off a pier best
8、by holding a(n) .A. forward spring line and going slow ahead on the inboard engineB. after spring line and going slow astern on the outboard engineC. forward spring line and going slow ahead on both enginesD. forward spring line and going slow ahead on the outboard engine【知识点】车、舵、缆的综合作用【解析】双车船,让开内侧螺
9、旋桨并操纵离码头的最佳方式是拉住首倒缆,外螺旋桨慢速前进。B799. A twin-screw ship going ahead on the starboard screw only tends to move _.A. in a straight line B. to port C. from side to side D. to starboard【知识点】双车船【解析】船车船,只有右螺旋桨前进,则船左转。相关题目D800. Your vessel is backing on the starboard screw,and going ahead on the port screw. T
10、he bow will _. A. back on a straight line B. move ahead on a straight line C. swing to port D. swing to starboardA801. Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessels head will _. A. go to port B. go to starboard C. remain stat
11、ionary D. suddenly drop downC808. You may BEST turn a twin-screw vessel about,to the right,in a narrow channel by using _.A. both engines ahead and helm B. one engine onlyC. port engine ahead and the starboard engine astern D. both engines astern and use helmD846. A vessel is equipped with twin prop
12、ellers,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. C96
13、7. A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you _.A. reverse port engine, apply right rudder B. reverse port engine, rudder amidshipsC. reverse starboard engine, apply right rudder D. reverse starboard engine, rudder amidshipsA1069.
14、On a twin-screw , twin rudder vessel , the most effective way to turn in your own water , with no way on , is to put _A. one engine ahead and one engine astern , with full rudderB. one engine ahead and one engine astern , with rudders amidshipsC .both engines ahead, with full rudder D. both engines
15、astern, with full rudderC813. 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 screw B. The principal force which turns the
16、 ship is set up by the wake against the forward side of the rudder C. 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 【知识点】双车船的特性【解析】双车单桨船全速前进中,无风流影响,则错误的是:只用舵改向的回应要比单车船的好。相关题目C803. A twin-scr
17、ew vessel is easier to maneuver than a single screw vessel, because the twin-screw vessel .A. permits the rudder to move faster B. generates more power C. can turn without using her rudder D. can suck the water away from the rudder A810. A vessel fitted with twin screws is easier in _ than a vessel
18、with single screw A. turning maneuver B. course setting C. position fixing D. regulating speedB805. In twin-screw engine installations while going ahead, Maneuvering qualities are most effective when the tops of the propeller blades both turn .A. to starboard B. outboard from the center C. to port D
19、. inboard toward the center【知识点】双桨船的特性【解析】双桨船前进时,外旋式桨的操纵性更好。内旋(尾向首看,桨上部向内)的效率高一点,但操纵性差一点。外旋(尾向首看,桨上部向外)的效率差一点,但操纵性好一点B860、The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as _A. advance B. head reach C. surge D.
20、 transfer【知识点】冲程【解析】从下令全速倒车开始到船对水静止,船所前进的距离称为冲程。相关题目C862 In stopping distances of vessels , head reach can best be described as the _A. difference between the vessels speed through the water at any instance and the new speed ordered on the telegraphB. distance the vessel has actually run through the
21、 water since a change of speed was orderedC. distance the vessel will run between taking action to stop her and being stationary in the waterD. speed at which a vessel should proceed to ensure that she will run a predetermined distance, once her engines have been stoppedA1012. The turning circle of
22、a vessel is the path followed by the _.A. center of gravity B. outermost part of the ship while making the circle C. bow D. tipping center【知识点】旋回性【解析】旋回圈是船舶重心的运动轨迹。相关题目B1120. The distance travelled by the centre of gravity in a direction parallel to the original course after the instant the rudder i
23、s put over is _.A. Transfer B. Advance C. Kick D. Tactical diameter(旋回初径)【解析】操舵后,重心在与初始航行平行的方向上前进的距离称为进距。B1071. In relation to the turning circle of a ship, the term “advance” means the distance _.A. gained at right angles to the original course B. gained in the direction of the original courseC. mo
24、ved sidewise from the original course when the rudder is first put overD. around the circumference of the turning circleA1121. The distance travelled by the centre of gravity perpendicular to the original course is _.A. Transfer B. Advance C. Kick D. Tactical diameter【解析】重心在与初始航行相垂直的方向上的距离称为横距。A883.
25、 When backing down with sternway, the pivot point of a vessel is _.A .about one quarter of the vessels length from the stern B. at the bowC. about one third of the vessels length from the bow D .aft of the propellers【解析】转心:前进中,约在首柱后1/3-1/5船长处。后退时,在船尾附近。Keyword 27: Wheel orders and telegraph orders (
26、17)A804. “ Ease the rudder ” means to _.A. decrease the rudder angle B. move the rudder slowly in the direction of the most recent rudder commandC. bring the rudder amidships D. steer the course which is your present heading【知识点】舵令【解析】回舵相关题目D962. Midships refers to rudder to be held _.A. in position
27、 to starboard B .in position to port C. in position to anywhere D. in position fore and aftC986. When a helmsman receives the command PORT 15 DEGREES rudder, the helmsmansimmediate reply should be _.A. RUDDER IS PORT 15 DEGREES B. AYE AYE SIR C. PORT 15 DEGREES D. No reply is necessary, just carry o
28、ut the order.C1003. The wheel order STEADY means _.A. the steering gear is very stable B. the rudder is to be held in the fore and aft positionC. reducing swing as rapidly as possible D. reducing amount of rudder angle to certain degreesA1010. HARD RIGHT RUDDER means _.A. put the rudder over to the
29、right all the way B. jam the rudder against the stopsC. meet a swing to the right, then return to amidshipsD. put the rudder over quickly to 15right rudderD1037. What is a CORRECT reply to a pilots request, “Hows your heading”? A. Steady B. Eased to 10 rudder C. Checked D. Passing 50B861. Your ship
30、is steaming at night with the gyropilot engaged. You notice that the vessels course is slowly changing to the right. Which action should you take FIRST? A. Notify the engine room of the steering malfunction. B. Change to hand steering. C. Call the Master. D. Send the Quartermaster to the emergency s
31、teering station.【知识点】操舵模式转换【解析】使用自动舵航行时,当注意到船舶航向慢慢向右偏转,应首先更换至手动操舵模式。相关题目B1381. When you meet a crossing vessel, you should change the gyro pilot to _ at earlier time.A. auto-steering B. hand-steering C. remote-steering D. hydraulic steeringA996. The manual-piloting shall be tested at least at interval of _ when using the auto-piloting.A. once every shift B. twice every shift C. once every hour D. twice every hour【知识点】操舵模式转换【解析】使用自动舵航行时,每班至少进行一次手动操舵实验。相关题目C2399. When steering by autopilot, how often should manual steering be checked