單項選擇題Small hull leaks can be temporarily repaired by().

A.parcelling
B.parbuckling
C.caulking
D.seizing


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1.單項選擇題Rivets are usually made of().

A.wrought-iron
B.aluminum
C.high-tensile steel
D.mild steel

2.單項選擇題Repairing damage to the hull at or above the waterline reduces the threat of().

A.free surface effects
B.capsizing
C.continued progressive flooding
D.wind heel

3.單項選擇題Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?()

A.Toxic gasses may be present
B.Flammable gasses may be present
C.Liquid muds may flood adjoining spaces
D.An oxygen-deficient atmosphere may be present

4.單項選擇題Records which must be retained on board after report of casualty to a vessel include the().

A.tour reports
B.hull reports
C.machinery repair record book
D.deck equipment log

5.單項選擇題Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using().

A.sealing clamps
B.repair tape
C.a tube patch
D.sail twine and vulcanizing kit