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单选题
Hygroscopic cargoes should be ventilated when（）.
A
going from a warm to a cold climate
B
the dew point of the outside air is greater than the dew point of the air in the hold
C
the dew point of the air in the hold is very low
D
the outside dew point is 16℃ and the cargo temperature is 12℃
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考题
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
Segregation of cargoes refers to ______.A.separating cargoes so that the inherent characteristics of one cannot damage the otherB.separating cargoes by destinationC.classifying cargoes according to their toxicityD.listing the cargoes in order of their flammability
考题
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
Which statement concerning sweat damage in containers is TRUE ________．A.Sweat damage in containers is unusual due to the small enclosed volume of airB.In general，containerized hygroscopic cargoes are the only ones subject to sweat damageC.Containers should be ventilated，dehumidified，or the contents physically protected against sweat damageD.Sweat damage is not a problem except in insulated and refrigerated containers
考题
In general，______ such as timber，tobacco，cotton，jute and grain may prove problematical under certain conditions as the ventilation demands of these products may sometimes be in conflict with those of the steel．A.hygroscopic cargoesB.general cargoesC.homogeneous cargoD.bulk cargoes
考题
The moisture equilibrium chart can be used to determine the ______．A.Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium existsB.Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodityC.Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargoD.Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo
考题
在船上应当日落时降下国旗.（）A、We should lower national flag when the sun sets.B、We should lower national flag when the ship is in port.C、We should lower national flag when loading and unloading.D、We should lower national flag when the sun rises.
考题
日落降国旗。（）A、The ensign should be hoisted when the sun rises.B、The ensign should be lowered when the sun rises.C、The ensign should be hoisted when the sun sets.D、The ensign should be lowered when the sun sets.
考题
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Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.A
hydrocarbon gasB
carbon monoxide gasC
carbon dioxide gasD
freon gas
考题
单选题Prior to entering a davit-launched liferaft，you should make sure that（）.A
the liferaft is well ventilated of excess carbon dioxideB
all personnel have removed their life preservers to facilitate boardingC
the door flap has been cut away and stowed inside the raftD
All of the above
考题
单选题在船上应当日出时升起国旗。（）A
On board national flags should be hoisted when the sun sets.B
On board national flags should be hoisted when the sun rises.C
On board national flags should be lowered when the ship is in port.D
On board national flags should be hoisted flag when loading and discharging
考题
单选题Prior to entering a davit-launched life raft, you should make sure that（）.A
the life raft is well ventilated of excess carbon dioxideB
all personnel have removed their life preservers to facilitate boardingC
the door flap has been cut away and stowed inside the raftD
All of the above
考题
单选题在船上应当日落时降下国旗.（）A
We should lower national flag when the sun sets.B
We should lower national flag when the ship is in port.C
We should lower national flag when loading and unloading.D
We should lower national flag when the sun rises.
考题
单选题Storage batteries should be charged in a well ventilated area because（）.A
they generate heatB
they emit hydrogenC
of the toxic fumes they emitD
they recharge faster in a well ventilated space
考题
单选题Which statement concerning sweat damage in containers is TRUE?（）.A
Sweat damage in containers is unusual due to the small enclosed volume of airB
In general，containerized hygroscopic cargoes are the only ones subject to sweat damageC
Containers should be ventilated，dehumidified，or the contents physically protected against sweat damageD
Sweat damage is not a problem except in insulated and refrigerated containers
考题
单选题When should a fire be ventilated?（）A
When attacking the fire directlyB
When using a steam smothering systemC
When using the fixed CO2 systemD
All of the above
考题
单选题日落降国旗。（）A
The ensign should be hoisted when the sun rises.B
The ensign should be lowered when the sun rises.C
The ensign should be hoisted when the sun sets.D
The ensign should be lowered when the sun sets.
考题
单选题To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.A
in trays constructed of material that is resistant to the electrolyteB
so as to prevent movement when the vessel pitches and rollsC
in a well ventilated areaD
All of the above
考题
单选题The moisture equilibrium chart can be used to determine the（）.A
Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium existsB
Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodityC
Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargoD
Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo
考题
单选题Hygroscopic cargoes should be ventilated when（）.A
going from a warm to a coldB
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A 30，000 DWT tanker is required to have an IOPP certificate when（）A
engaged in the coastwise tradeB
going foreignC
calling at ports in another country signatory to MARPOL 73/78D
carrying cargoes listed in the MARPOL regulations
考题
单选题Which of the following statements about general cargoes is not correct?（）A
General cargoes are neither liquid nor solid bulk cargoB
General cargoes are packaged hazardous cargoesC
General cargoes are also called breakbulk cargoesD
General cargoes are mostly carried on container ships now
考题
单选题Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space，this space should（）.A
be mechanically operatedB
be temperature controlledC
be mechanically ventilatedD
not allow to run its refrigeration or heating equipment
考题
单选题Segregation of cargoes refers to（）.A
separating cargoes so that the inherent characteristics of one cannot damage the otherB
separating cargoes by destinationC
classifying cargoes according to their toxicityD
listing the cargoes in order of their flammability
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Paints and solvents on a vessel should be（）.A
stored safely in a cool dark non-ventilated area until work is completedB
resealed and returned to a well ventilated area after each useC
covered at all times to protect from ignition sourcesD
stored in a suitable gear locker
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