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单选题
An aneroid barometer on a boat should always be（）.
A
located in an air-conditioned area
B
mounted in the passenger compartment
C
protected by a collision bulkhead
D
permanently mounted
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单选题Which of the following is the best version of sentence 9 (reproduced below)?But what is surprising is that incentives don’t always work in the way like they’re supposed to.A
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考题
单选题On what does the operation of an aneroid barometer depend?（）A
Thin，metal，air tight cellB
Curved tube containing alcoholC
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单选题When launching a lifeboat，the tricing pennants should be released（）.A
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单选题An aneroid barometer reading should be corrected for differences in（）.A
elevationB
temperatureC
wind speedD
latitude
考题
单选题An aneroid barometer on a boat should always be（）.A
located in an air-conditioned areaB
mounted in the passenger compartmentC
protected by a collision bulkheadD
permanently mounted
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单选题Prior to reading an aneroid barometer，you should tap the face lightly with your finger to（）.A
expose any loose connectionsB
demagnetize the metal elementsC
bring the pointer to its true positionD
contract and expand the glass face
考题
单选题The purpose of the “set” hand on an aneroid barometer is to（）.A
adjust the barometerB
indicate any change in the reading of the barometerC
provide a correction for height above sea levelD
provide a correction for temperature changes
考题
单选题An aneroid barometer is an instrument（）.A
used to measure the speed of windB
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that tells which direction a storm is coming fromD
used to measure the height of waves
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单选题Which of the listed statements is correct concerning the starting of centrifugal pumps?（）A
They should always be started with the discharge valve closedB
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They should always be started with the sealing line valves closed
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单选题The tricing pendants should be released（）.A
before the gripes are removedB
before loading the passengersC
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单选题A （）(救生圈) should be located on the gangway.A
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life-raftC
life-buoyD
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单选题The lifeboat releasing gear lever should be marked with the words（）.A
DANGER，DO NOT TOUCHB
DANGER，BOAT MAY DROPC
DANGER，LEVER RELEASES BOATD
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单选题When launching a lifeboat in the rough sea, the davit gears should be released（）.A
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as the boat fall blocks break clear of the davit headC
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after the boat is released into the water
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单选题Prior to a ship’s departure, （） may not always be tested.A
fire fighting pumpB
the steering gearC
life boat engineD
the main engine
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