2022 Marine Cargo Operation(Dalian Maritime University) 最新满分章节测试答案

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本课程起止时间为:2022-01-10到2022-03-06
本篇答案更新状态:已完结

Chapter 1： Marine ship and cargo Chapter I test

1、 问题:For general dry cargo bulk carrier, the indexes indicating the weight ability are_____.
选项：
A:deadweight and net tonnage
B:full loaded displacement and registration tonnage
C: gross tonnage and net tonnage
D:full loaded displacement and deadweight
答案: 【full loaded displacement and deadweight】

2、 问题:The following statements are about the usage of ship’s moulded dimensions. The correct one is ___.
选项：
A:a reference for calculation of port charges
B: main dimensions for calculation of freeboard, stability and trim.
C:a reference for ship berthing
D:the principal dimensions for calculation of ship’s gross tonnage and net tonnage.
答案: 【 main dimensions for calculation of freeboard, stability and trim.】

3、 问题:Of the following statements about the definition of moulded depth D, the correct one is _____.
选项：
A:at the midway of the registration length, the vertical distance from the upper edge of the flat keel to the lower edge of the main deck
B: at the midway of ship’s length, the vertical distance from the upper edge of the flat keel to the upper edge of the main deck
C: at the midway of ship’s length, the vertical distance from the lower edge of the flat keel to the upper edge of the main deck
D: at the midway of two perpendiculars, the vertical distance from the upper edge of the flat keel to the upper edge of the upper deck beam
答案: 【 at the midway of two perpendiculars, the vertical distance from the upper edge of the flat keel to the upper edge of the upper deck beam】

4、 问题:When the deadweight is given, the ship’s net deadweight has no relation to ____.
选项：
A:lightship displacement
B: ship constant
C: stores of oil and fresh water
D: voyage duration
答案: 【lightship displacement】

5、 问题:Which of the following curves can be found in the hydrostatic curves?
选项：
A: The buoyancy distribution curve along ship’s length
B: the flooding angle curve
C:the wind area curve
D:the longitudinal center of floatation curve ( XF  curve)
答案: 【the longitudinal center of floatation curve ( XF  curve)】

6、 问题:Where the ship is floating in still water in upright, the set of curves indicating the relationship between mean draft and ship performance coefficients are called __.
选项：
A: hydrostatic table
B: the curves of static stability
C: the hydrostatic curves
D: the deadweight scale
答案: 【 the hydrostatic curves】

7、 问题: After loading, the ship is in even keel with xf=-4m，xb=-2m. If a small quantity weight P is loaded at xp=-3m，yp=0.0m，and zp=5m, the floating condition of the loaded ship will experience _.
选项：
A: parallel sinking
B: trim by head
C:trim by stern
D:optional inclination
答案: 【 trim by head】

8、 问题:____ is a symbol indicating the maximum reserved buoyancy.
选项：
A: Draft
B:Gross tonnage
C:Freeboard
D:Deadweight
答案: 【Freeboard】

9、 问题:The reason why the ship has stability is due to _____.
选项：
A:action of the buoyant force
B:action of the gravitational force
C:.action of force moment produced by the buoyant force and the gravitational force
D:action of inertia force
答案: 【.action of force moment produced by the buoyant force and the gravitational force】

10、 问题:Which of the following statements is correct about the effect of a free surface on ship stability?
选项：
A:The existence of a free surface will make the center of gravity rise.
B:The existence of a free surface will cause the GM to increase.
C:The existence of a free surface is equivalent to the elevation of the center of gravity. 
D: The existence of a free surface has no relation to ship stability.
答案: 【The existence of a free surface is equivalent to the elevation of the center of gravity. 】

11、 问题:In order to guarantee the safety of ship and good navigation performance, _____ should be avoided when stowing cargoes.
选项：
A:initial heeling angle and initial trim angle
B:.initial trim angle
C:initial heeling angle
D:drift angle
答案: 【initial heeling angle】

12、 问题:If the deck is in tension and ship bottom is in compression, the ship hull is in __ deformation.
选项：
A:torsional
B: sagging
C:.hogging
D:transverse
答案: 【.hogging】

13、 问题:When calculating the necessary cargo hold volume , the data of _____ is not needed.
选项：
A: proper shipping name
B:cargo weight
C:stowage factor
D:the ratio of broken space
答案: 【 proper shipping name】

14、 问题:During marine cargo operation, for solid bulk cargoes, cargo receipt and delivery is based on _.
选项：
A:packages
B:weight
C:volume
D: board rule
答案: 【weight】

15、 问题:Measurement ton is introduced to calculate_____.
选项：
A:freight of measurement cargo
B: freight of weight cargo
C: cargo volume
D:cargo weight
答案: 【freight of measurement cargo】

16、 问题:According to international maritime practices, when the cargo’s stowage factor is less than _, the cargo is called ad weight cargo.
选项：
A:1.5m3/t
B:1.0m3/t
C:100ft3/t
D: 1.1328m3/t  
答案: 【 1.1328m3/t  】

17、 问题:__ of ship must be below the waterline.
选项：
A:Metacenter
B: Center of floatation
C:Center of buoyancy
D:Center of gravity
答案: 【Center of buoyancy】

18、 问题:The ratio of broken space of cargo is the ratio of broken space and __.
选项：
A: measurement volume of cargo
B:cargo hold volume occupied by cargo
C: cargo hold volume
D: total cargo hold volume
答案: 【cargo hold volume occupied by cargo】

19、 问题:In the draft marks, the height of the digit and the margin of the two digits are all____.
选项：
A: 250px in metric system; 3 inches in imperial system
B:250px in metric system; 6 inches in imperial system
C:125px in metric system; 3inches in imperial system
D:125px in metric system; 6inches in imperial system
答案: 【250px in metric system; 6 inches in imperial system】

20、 问题:Center of floatation is referred to as ______.
选项：
A:the centroid of the displaced volume
B:the centroid of the water plane area
C: the acting point of the ship’s gravitational force
D:the intersectional point of two acting line of buoyant forces before and after inclination
答案: 【the centroid of the water plane area】

21、 问题:The condition of parallel sinking and lifting of ship is that the center of gravity of the small quantity weight is on the vertical line passing through  ____.
选项：
A:he center of floatation
B: the metacenter
C: the center of buoyancy
D:the center of gravity
答案: 【he center of floatation】

22、 问题:Tones per centimeter immersion is referred to as ___.
选项：
A: the magnitude of the force moment acting on a ship as the mean draft changes in one centimeter
B: the increased or decreased tons of weight as the mean draft changes in one centimeter
C: the magnitude of the force moment acting on a ship to change “draft difference” in one centimeter.
D: the magnitude of the force moment acting on a ship as the mean draft changes in one centimeter.
答案: 【 the increased or decreased tons of weight as the mean draft changes in one centimeter】

23、 问题:Fresh water allowance F.W.A. is referred to as _______.
选项：
A: the increased mean draft when a ship sails from standard sea water into semi-fresh water
B: the decreased mean draft when a ship sails from semi-fresh water into standard sea water
C: the increased mean draft when a ship sails from standard sea water into standard fresh water
D:the increased mean draft when a ship sailing from standard fresh water to standard sea water

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