你可能感興趣的試題

單項選擇題

The trim of a vessel is the （）.

A.value of the mean draft
B.degree of list
C.amount of roll
D.difference in fore and aft drafts

單項選擇題

The explosive range of a mixture of flammable vapors is specified as a percentage of （）.

A.flammable vapor by volume in air
B.oxygen present to support combustion
C.the temperature of the flash point
D.the lower limit of explosibility of the mixture