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单选题
When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
A
You should experience hot，moist，clear weather
B
The wind direction is generally easterly
C
The winds should be from the southwest at your location
D
The winds should be brisk
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更多 “单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.A You should experience hot，moist，clear weatherB The wind direction is generally easterlyC The winds should be from the southwest at your locationD The winds should be brisk” 相关考题
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When adding oil to a refrigeration system, precautions must be taken to ensure thatA.the compressor suction pressure is not too highB.all air is purged from the pump and charging fittingsC.the high pressure cutout switch is held open to prevent accidental startingD.the condenser is completely shutdown first
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In the refrigeration system, a shortage of refrigerant is indicated byA.the compressor short cycling on high pressure cut out switchB.high suction pressureC.high head pressureD.bubbles in the sight glass
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Which statement is TRUE concerning equatorial tides ________．A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low tides is at a minimumD.They are used as the basis for the vulgar establishment of the port
考题
When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．A.You should experience hot，moist，clear weatherB.The wind direction is generally easterlyC.The winds should be from the southwest at your locationD.The winds should be brisk
考题
You are located within a stationary high pressure area．Your aneroid barometer is falling very slowly．This indicates a（n）______．A.Wind shift of 180°B.Large increase in wind velocityC.Decrease in the intensity of the systemD.Increase in the intensity of the system
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______causing strong winds and rough sea north west Bay of Biscay.A.Strong low pressureB.Strong high pressureC.Steep pressure gradientD.Steep gradient pressure
考题
How would you pass a red buoy in the maritime buoyage system “A”?______.A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leavingB.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leavingC.keep the buoy on the vessel’s starboard side when approaching and leavingD.keep the buoy on the vessel’s port side when approaching and leaving
考题
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.A.South-southwesterlyB.North-northwesterlyC.South-southeasterlyD.North-northeasterly
考题
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.A.south to eastB.north to westC.north to eastD.south to west
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In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.A.South to westB.South to eastC.North to westD.North to east
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单选题A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm，what situation may occur?（）A
The low may suddenly deepen，and the cyclone intensify and pick up speedB
The left semicircle may become the dangerous semicircleC
The low and the high may merge and cancel out the weather characteristics of eachD
The high may force the cyclone to reverse its track
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单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.A
The ventilators will automatically close by the action of fusible linksB
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewC
A water spray system to cool the outside of the boat is operated by a high-volume manual pumpD
An air tank will provide about ten minutes of air for the survivors and the engine
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单选题When adding oil to a refrigeration system, precautions must be taken to ensure that （）.A
the compressor suction pressure is not too highB
all air is purged from the pump and charging fittingsC
the high pressure cutout switch is held open to prevent accidental startingD
the condenser is completely shutdown first
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单选题Compared to a low pressure system，generally the air in a high is（）.A
warmer，less dense，and less stableB
cool，more dense，and drierC
muggy and cloudyD
extremely moist with high relative humidity
考题
单选题（）causing strong winds and rough sea north west Bay of Biscay.A
Strong low pressureB
Strong high pressureC
Steep pressure gradientD
Steep gradient pressure
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单选题If your bridge-to-bridge radiotelephone ceases to operate，you must（）.A
immediately anchor your vessel and arrange for repairs to the systemB
moor your vessel at the nearest dock available and arrange for repairs to the systemC
arrange for the repair of the system to be completed within 48 hoursD
exercise due diligence to restore the system at the earliest practicable time
考题
单选题What separate the high pressure side from the low pressure side in a refrigeration system?（）A
Condenser and thermal expansion valveB
King and solenoid valvesC
Compressor and thermal expansion valveD
Condenser and solenoid valve
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单选题When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.A
viscosity will decreaseB
volume will increaseC
volume will decreaseD
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单选题As a high pressure system approaches，the barometer reading（）.A
stays the sameB
fallsC
risesD
falls rapidly
考题
单选题The high pressure in fuel injection system of the diesel engine is produced by the （）.A
injector pumpB
fuel injectorC
governorD
turbocharger
考题
单选题When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.A
stop loadingB
notify the senior deck officerC
notify the terminal superintendentD
determine whether your vessel is the source
考题
单选题When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.A
increase the amount of cooling water to the condenserB
decrease the amount of cooling water to the condenserC
add more refrigerant to the systemD
remove some refrigerant from the system
考题
单选题How would you pass a red buoy in the maritime buoyage system“A” （）.A
keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leavingB
keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leavingC
keep the buoy on the vessel's starboard side when approaching and leavingD
keep the buoy on the vessel's port side when approaching and leaving
考题
单选题The phrase “When built” in the Certificate of Vessel’s Nationality definitely means（）.A
When was your vessel builtB
At what time is your vessel buildingC
When is your vessel builtD
At what time you built your vessel
考题
单选题In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.A
NNWB
WSWC
ESED
SSW
考题
单选题The phrase “When built” in the Certificate of Vessel’s Nationality means（）.A
when was your vessel builtB
at what time is your vessel buildingC
when is your vessel builtD
at what time you built your vessel
考题
单选题From your position you observe a rotating white and green light to the north. This light is most likely（）.A
at an airportB
on a naval mine-countermeasures vesselC
Block Island North LightD
on a vessel engaged in public safety activity
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