How should cargo tank hatches be

相关试题

Mousing a cargo hook with marline or small line ______.
- A.increases the lifting capacity of the hook
- B.protects the hook from the sling ring
- C.prevents the sling ring from coming out of the hook
- D.All of the above
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If you hear a continuous blast of the ship’s whistle for a period of not less than 10 secondsupplemented by a continuous ringing of the general alarm bells for not less than 10 seconds, you should go to your ______.
- A.boat station
- B.fire station
- C.man overboard station
- D.collision station
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If you do NOT understand the course or intention of an approaching vessel you should sound ___________.
- A.one short blast
- B.one prolonged blast
- C.not less than five short blasts
- D.not less than five prolonged blasts
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If you have to abandon ship, and enter a liferaft, your main course of action should be to ____.
- A.remain in the vicinity of the sinking vessel
- B.head for the closest land
- C.head for the closest sea-lanes
- D.get a majority opinion
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If you are in the dangerous semicircle of a hurricane you can expect all of the following except ______.
- A.backing winds
- B.high seas
- C.high winds
- D.veering winds
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If you are unable to stop a diesel engine by any other means, you should ______.
- A.discharge a CO2 extinguisher in the air inlet
- B.pull off the distributor cap
- C.secure the jacket water
- D.secure the starting air supply valve
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If you came into contact with nitrobenzene while disconnecting the cargo hose, you shouldbe aware that it is ______.
- A.highly toxic when absorbed through the skin
- B.a blood poison
- C.a nerve poison
- D.All of the above
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If two mooring lines are to be placed on the same bollard，which method is BEST?______.
- A.Place the eye from the forward line on the bollard and then place the eye from the second line directly over the first
- B.It makes no difference how the lines are placed
- C.Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollard
- D.Place both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
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If we had stayed at that port much longer, we ______ the tropical storm.
- A.will meet with
- B.met with
- C.would meet with
- D.would have met with
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If there’s a fire aboard your vessel, you should FIRST ______.
- A.notify the competent authorities
- B.sound the alarm
- C.have passengers put on life preservers
- D.cut off air supply to the fire
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How should cargo tank hatches be protected when the ullage opening is open and the tankNOT gas free?______.