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单选题
A vessel is proceeding from a very cold climate to a warm climate.With a cargo of non-hygroscopic nature，which of the following is correct?（）.
A
There is danger of heavy cargo sweat if outside air is introduced by ventilation
B
Danger of the ship sweat exists.Constant and vigorous ventilation is required
C
There is little danger of ship's sweat;slight possibility of cargo sweat
D
The possibility of any ship or cargo sweat is remote
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Hygroscopic cargoes should be ventilated when ______.A.going from a warm to a cold climateB.the dew point of the outside air is greater than the dew point of the air in the holdC.the dew point of the air in the hold is very lowD.the outside dew point is 16°C and the cargo temperature is 12°C
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A vessel proceeding to London，England，from New York makes an unscheduled call at the port of Hamilton，Bermuda.What term is used to denote the voluntary departure from the usual course?A.AlterationB.DeviationC.LibertyD.Unscheduled stop
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On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE ________．A.Danger of heavy ship sweat exists；constant and vigorous ventilation is requiredB.There is danger of heavy cargo sweat if outside air is introduced by ventilationC.There is little danger of ship's sweat，slight possibility of cargo sweat；moderate ventilation is neededD.The possibility of any sweat problem，either cargo or ship，is remote
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单选题Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should（）.A
start the exhaust blowersB
start the intake blowersC
not ventilate the cargo holdsD
ventilate the cargo holds
考题
单选题Cyclones tend to move（）.A
perpendicular to the isobars in their warm sectorsB
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单选题A vessel proceeding along the bank of a river or channel has the tendency to（）.A
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单选题A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.A
A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicableB
A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicableC
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单选题The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.A
right at the bowB
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考题
单选题Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is true?（）.A
You must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tankB
You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweatC
There is danger of heavy cargo sweat if you ventilateD
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考题
单选题Which statement is TRUE when comparing cold and warm fronts?（）A
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Cold fronts are milder and last longerC
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Warm fronts are more violent and of longer duration
考题
单选题On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.A
Danger of heavy ship sweat exists； constant and vigorous ventilation is requiredB
There is danger of heavy cargo sweat if outside air is introduced by ventilationC
There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is neededD
The possibility of any sweat problem，either cargo or ship，is remote
考题
单选题The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）A
It forces the bow away from the bankB
It forces the stern away from the bankC
It forces the entire vessel away from the bankD
It heels the vessel toward the bank
考题
单选题0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?（）.A
Danger of heavy ship sweat exists; constant and vigorous ventilation is requiredB
There is danger of heavy cargo sweat if outside air is introduced by ventilationC
There is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is neededD
The po sibility of any sweat problem, either cargo or ship, is frame
考题
单选题How does the effect known as bank suction act on a single-screw vessel proceeding along a narrow channel?（）.A
It pulls the bow toward the bankB
It pushes the entire vessel away from the bankC
It pulls the stern toward the bankD
It heels the vessel toward the bank
考题
单选题Steam smoke will occur when（）.A
extremely cold air from shore passes over warmer waterB
warm dry air from shore passes over cooler waterC
cold ocean water evaporates into warm airD
cool rain passes through a warm air mass
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单选题Which of the following statements concerning frontal movements is TRUE（）.A
The temperature rises after a cold front passesB
The barometric pressure rises when a warm front passesC
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A warm front usually has more violent weather associated with it than a cold front
考题
单选题Which vessel would display a cone，apex downward（）.A
A fishing vessel with outlying gearB
A vessel proceeding under sail and machineryC
A vessel engaged in diving operationsD
A vessel being towed
考题
单选题Hygroscopic cargoes should be ventilated when（）.A
going from a warm to a cold climateB
the dew point of the outside air is greater than the dew point of the air in the holdC
the dew point of the air in the hold is very lowD
the outside dew point is 16°C and the cargo temperature is 12°C
考题
单选题Hygroscopic cargoes should be ventilated when（）.A
going from a warm to a cold climateB
the dew point of the outside air is greater than the dew point of the air in the holdC
the dew point of the air in the hold is very lowD
the outside dew point is 16℃ and the cargo temperature is 12℃
考题
单选题A vessel proceeding to London，England，from New York makes an unscheduled call at the port of Hamilton，Bermuda. What term is used to denote the voluntary departure from the usual course? （）A
AlterationB
DeviationC
LibertyD
Unscheduled stop
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