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【单选题】

The Plimsoll mark on a vessel is used to（）.

A、align the vessel's tailshaft

B、determine the vessel's trim

C、determine the vessel's freeboard

D、locate the vessel's centerline

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更多“The Plimsoll mark on a vessel is used to（）.”相关的问题
第1题
[] A disk with a horizontal line through its center，equivalent to the summer load line，is called the（）.

A、A.deadrise mark  B、B.maximum allowable draft mark  C、C.plimsoll mark  D、D.tonnage mark  

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第2题
[单选题] The port of registry is（）.

A、not required to be marked anywhere on the vessel  B、required to be marked on both bows and on the keel  C、required to be marked on the stern with the name of the vessel marked on both bows  D、required to be marked on the keel, stern, and both bows  

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第3题
[] The name and hailing port of a documented commercial vessel is（）.

A、A.not required to be marked anywhere on the vessel  B、B.required to be marked on both bows and on the keel  C、C.required to be marked on the stern with the name of the vessel marked on both bows  D、D.required to be marked on the keel，stern，and both bows  

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第4题
[单选题] For an upright vessel, draft is the vertical distance between the keel and the （）.

A、waterline  B、freeboard deck  C、Plimsoll mark  D、amidships section  

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第5题
[单选题] For an upright vessel，draft is the vertical distance between the keel and the（）.

A、waterline  B、freeboard deck  C、plimsoll mark  D、amidships section  

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第6题
[单选题] For an upright vessel, draft is the vertical distance between the keel and the（）.

A、waterline  B、freeboard deck  C、plimsoll mark  D、admidships section  

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第7题
[单选题] A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest water in the area is on the（）.

A、north side of the mark  B、west side of the mark  C、east side of the mark  D、south side of the mark  

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第8题
[单选题] Repaint the draft figures, plimsoll marks, ship’s name and port of registry （）.

A、with red lead paint  B、in red and white paint  C、in original color  D、all of the above  

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第9题
[] Examine the description of the MARKS table: STD_ID NUMBER(4) STUDENT_NAME VARCHAR2(30) SUBJ1 NUMBER(3) SUBJ2 NUMBER(3) SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects. Examine this SELECT statement based on the MARKS table: SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 > AVG(subj1) AND subj2 > AVG(subj2) ORDER BY total_ marks; What is the result of the SELECT statement?（） Examine the description of the MARKS table: STD_ID NUMBER(4) STUDENT_NAME VARCHAR2(30) SUBJ1 NUMBER(3) SUBJ2 NUMBER(3) SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects. Examine this SELECT statement based on the MARKS table: SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 > AVG(subj1) AND subj2 > AVG(subj2) ORDER BY total_ marks; What is the result of the SELECT statement?（）

A、A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.  B、B. The statement returns an error at the SELECT clause.  C、C. The statement returns an error at the WHERE clause.  D、D. The statement returns an error at the ORDER BY clause.  

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