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______of the following is (are) required on your cargo vessel when it has a refrigerated cargo space？ ① A gas mask using a suitable canister to protect against the refrigerant. ② A self-contained breathing apparatus.

A. ① only
B. Either ① or ②
C. ② only
D. Neither ① nor ②

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______of the following conditions will cause a vessel’s bottom to be subjected to tension

A. Concentration of weight aft
B. Concentration of weight forward
Concentration of weight amidships
D. Concentration of weight at both ends of the vessel

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______means the curve on the earth’s surface which cuts all the meridians at the same angle.

A. Great Circle
B. Position Line
C. Rhumb Line
D. True Bearing

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it rain tomorrow moring, the loading .

A. Should / will be postponed
B. If / shall be postponed
C. Should / would be postponed
D. If / has to be postponed

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______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.

A. Buoyancy
B. Freeboard
C. Draft
Displacement

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______of the following is (are) required on your cargo vessel when it has a refrigerated cargo space？ ① A gas mask using a suitable canister to protect against the refrigerant. ② A self-contained breathing apparatus.

A. ① only B. Either ① or ② C. ② only D. Neither ① nor ②

______of the following conditions will cause a vessel’s bottom to be subjected to tension

______means the curve on the earth’s surface which cuts all the meridians at the same angle.

______ it rain tomorrow moring, the loading ______.

______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.

A. ① only
B. Either ① or ②
C. ② only
D. Neither ① nor ②

it rain tomorrow moring, the loading .