习题(一)[1] ___ length of the ship measured from extreme points of the ship forward and aft.A. Length overallB. After perpendicularC. AmidshipsD. Extreme breadth答案：A extreme point最顶端船舶前后最顶端之间的距离称为全长。
[2] ___ is a point midway between the forward and the after perpendicular.A. Length overallB. After perpendicularC. AmidshipsD. Extreme breadth答案：C 这题的关键词是midway,中心点。
首尾垂线之间的中心点是船中。
[3] ___ measured at the midship section and taken from outside of theship's side shell plating on one side to the outside of ship's side shell plating on the other side.A. Length overallB. After perpendicularC. AmidshipsD. Extreme breadth答案：D 这题的关键词是outsideo Shell plating船壳板。
从船舶船壳板的外侧测量的宽度应该是最大宽度。
[4] ___ measured at midship section and taken from inside the ship's shell on one side to inside the ship's shell plating on the other side.A. Length overallB. Molded breadthC. AmidshipsD. Extreme breadth答案：B这题的关键词是insideo从船舶船壳板的内侧测量的宽度应该是最大宽度。
[5] ___ is the main center-line structural member, running fore and aft along the bottom of a ship, sometimes referred to as the backbone.A. FrameB. DeckbeamC. StringerD. Keel 答案：D 这题的关键词是backbone,这个词就是龙骨的意思。
本题可以看成是同义词替换。
龙骨是船舶的主要结构部件，沿船底纵向延伸。
[6] A continuous watertight bulkhead is normally also a(n) ____ .A. structural bulkheadB. exterior bulkheadC. centerline bulkheadD. joiner bulkhead答案：A连续性的水密舱壁称为结构性舱壁。
[7] A heated bulkhead has the effect on a hygroscopic commodity of _____ .A. causing moisture to accumulate against the bulkheadB. lowering the vapor pressure of the commodityC. lowering the dew point of the airD. raising the vapor pressure of the commodity答案：D hygroscopic commodity 吸湿货heated 受热的effect 影响隔舱壁受热会导致货舱内溫度升高，产生水汽凝结。
水汽会被货舱内的吸湿货吸收，导致货物表面的水汽压力变大。
[8] Another name for the garboard strake is the _____ .A. A strakeB. Z strakeC. side keel plateD. stringerplate 答案：A garboard strake龙骨翼板[9] Flanking rudders affect 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 channeled to impinge on the vessel's deadwood 答案：A Flanking rudders翼舵。
螺旋桨店运动过程中会由于侧推力导致船首出现偏转，偏转可以通过舵来进行纠正。
[10] Panting frames are located in the ____ .A. after double bottomsB. centerline tanks on tankersC. fore and after peaksD. forward double bottoms答案：C Panting frames抗拍龙骨，它位于首尾尖舱处。
[11] Structural bulkheads on a ship are usually _____ .A. continuousB. watertightC. transverseD. non-watertight 答案：B结构舱壁具有水密性。
[12] The bow thruster generally is ineffective at _____ .A. over 3 knots headwayB. at any speed asternC. at any speed aheadD. over 1 knot sternway答案：A 船首侧推器在船舶前进速度超过3节时无效。
[13] The inner bottom is the _____ .A. tank topB. compartment between the tank top and shell of the vesselC. inner side of the vessel's shellD. space between two transverse bottom frames答案：A inner bottom利anktop是船舶内底的两种表达方法[14] The objective of shoring a damaged bulkhead is to ____ .A. force the warped, bulged, or deformed sections back into placeB. support and hold the area in the damaged positionC. withstand subsequent additional damageD. make a watertight seal at the damaged area答案：B 这题的关键词是shoring支撑与support同义。
[15] Those ship's tanks that are particularly important for trimming the ship arethe _____ .A. domesticsB. settlersC. deepsD. peaks答案：D trimming做"调整吃水”解释。
船舶上用于调整吃水的液舱是尖舱。
（尖舱用于存放压载，压载的作用是调整吃水，维持船舶稳性。
）[16] What is the purpose of cant frames in steel vessels?A. To support the overhang of the sternB. To provide strength to shell plating at the sternC. To add strength to the deck beams which support the weather decksD. To support the plating of a cylindrical tank答案：B cant frame斜肋骨它的作用是增强船尾处船壳板的强度。
[17] Limber is a term associated with _____ .A. emergency gearB. drainageC. deck cargo storageD. securing gear 答案：B limber污水孔drainage排水（名词，动词drain排放，经常与off 搭配）。
污水孔是与排水有关的术语。
[18] A chain stripper is used to ____ .A. prevent chain from clinging to the wildcatB. clean the marine debris from the chainC. flake chain from a boat's chain lockerD. clean chain prior to an x-ray inspection答案：A chain stripper分链器cling缠住。
分链器可以用于防止锚链与锚机绞缠。
[19] A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a _____ .A. bittB. bollardC. capstanD. cleat答案：D用于固定缆绳或是钢丝绳的甲板装置，由带有两个凸出部分的个体构成，称为羊角。
[20] Bilge keels are fitted on ships to ____ .A. assist in dry-dock alignmentB. improve the vessel's stabilityC. protect the vessel from slamming against piersD. reduce the rolling of the vessel答案：D bilge keels B龙骨,用于减摇。