A.vapor to oxygen
B.the flammable limit concentration
C.the autoignition concentration
D.the lower explosive limit concentretion
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A.dense bulk cargoes
B.household appliances
C.fragile cargoes
D.heavy industrial machinery
A.negative GM
B.propressive flooding
C.structural failure
D.an immediate need to ballast
A.structural bulkhead
B.exterior bulkhead
C.certerline bulkhead
D.joiner bulkhead
A.cutting a square notch at each end of the crack
B.drilling a hole at each end of crack
C.slot-welding the crack
D.welding a doubler over the crack
A.manufacturer
B.CCS
C.HAS
D.shipper
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The dew point temperature is().
A tide is called diurnal when().
It is dangerous for vessels without the operational radar()the estuary.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its().
The loading of the ship must be done in accordance with().
Manoeuvring information can not be obtained from().
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called().
When the wave period and the apparent rolling period are the same().
Berthing means bringing a vessel to her berth until().
The circulation around a low pressure center in the Northern Hemisphere is().