單項(xiàng)選擇題

Grinding to eliminate shallow surface defects should be done（）.

A.parallel to the longitudinal direction of the chain
B.perpendicular to the direction of the anchor chain
C.diagonally across the link of the anchor chain
D.around the circumference of the chain link

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單項(xiàng)選擇題

Fuel oil tank vents are fitted with a screen which will stop（）.

A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent

單項(xiàng)選擇題

Freeboard is measured from the upper edge of the（）.

A.bulkwark
B.deck line
C.gunwale bar
D.sheer strake

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Grinding to eliminate shallow surface defects should be done（）.

你可能感興趣的試題

Fuel oil tank vents are fitted with a screen which will stop（）.

Freeboard is measured from the upper edge of the（）.

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