Small oil spills on deck can be prevented from contaminating any waters by （）.
A: plugging all scuppers and drains
B: placing floating booms around the ship
C: regularly emptying all drip pans
D: thoroughly draining all bunkering hose
A: plugging all scuppers and drains
B: placing floating booms around the ship
C: regularly emptying all drip pans
D: thoroughly draining all bunkering hose
A
举一反三
- _______ should any money be given to a small child. A: On no account B: Of no account C: From all accounts D: By all accounts
- 智慧职教: 4.Fuel oil is leaking to sea from deck scuppers starboard.
- In the event of a small bunker oil spill on deck occurring while bunkering, you should ____. A.wash down the area immediately with a fire hose B.wash down the area with kerosene C.cover the area with absorbent material D.cover the area with foam
- Is that oil/all in the salad.() A: oil B: all
- ______ should any money be given to a small child. A: On no account B: For all account C: Of no account D: By all account
内容
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The supply of oil can be shut off unexpectedly at any time, and in any case, the oil wells will all run dry in thirty years or so at the present rate of use.
- 1
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground wate C: the ground D: all of above
- 2
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground water C: the ground D: all of above
- 3
According to Mr.Davis, what can be a problem for students all around the world?
- 4
Almost all bio-film system work well for de-nitrification, as long as oxygen transfer can be kept to a minimum and plugging does not occur. ( )