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The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.
A . pump from the damaged tank
B . fight a fire
C . abandon ship
D . use the crossover system
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If the analysis of used lube oil indicates a high content of iron particles, this could indicate（）
A . corrosive deterioration of a bearing
B . inadequate air filtration
C . excessive ring and liner wear
D . excessive cooling of lubricating oil
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For a L√Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will （）.
A . be interrupted
B . move downwards
C . move outwards
D . retain original positio
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If there were a fire in the bunker tanks, you would（）
A . close the vent
B . pump out the tank
C . activate the fixed CO
system
D . cut off the heating coil
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If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）
A . a dirty lube oil strainer
B . internal water leaks
C . an oil suction line restriction
D . excessive wears of the cooling water pum
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If a diesel engines exhaust temperature is abnormally high, the cause could be（）
A . too light of a load
B . injection timing is too early
C . overloading of the engine
D . too low of a compression ratio
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If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
A . increase the righting moment
B . cause an increase in the righting arm
C . bring the vessel to an upright equilibrium position
D . cause the vessel to flop to a greater angle
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In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.
A . inerted
B . crude oil washed
C . diluted
D . cleaned
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If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.
A . increase the righting moment
B . cause an increase in the righting arm
C . bring the unit to an upright equilibrium position
D . cause the unit to flop to a greater angle
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Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?（）
A . Open the intake valve to an adjacent tank
B . Set out drip pans and sawdust and begin to mop up the spill
C . Signal the shore control point to shutdown
D . Close the valve on the tank vent line
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If fuel is burned from only the starboard tanks, the ship will （）.
A . go down by the head
B . list to starboard
C . trim by the stem
D . list to port
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If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.
A . increase
B . decrease
C . stop
D . remain constant
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If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
A . increase the righting moment
B . increase the righting arm
C . increase list or trim
D . decrease list or trim
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During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should （）
A . notify the duty officer, reduce the engine speed, take some measures to remove failures
B . notify the duty officer and stop the engine immediately, find the cause and remove failures
C . notify the C/E
D . notify the captai
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If the temperature in the icebox is too high, the trouble could be（）
A . a clogged scale trap
B . air in the system
C . automatic controls not functioning properly
D . insufficient cooling water to the condenser
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If both the “high level” and “low level” alarms come on for the same address of a centralized control console, the most likely problem is a/an （）.
A . sensor failure
B . failed alarm
C . low level
D . extremely high level
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The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.
A . not close
B . not closing
C . not have closed
D . no closing
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If the Certificate of Inspection of a damaged tank barge has expired，which certificate may be issued to allow its movement to a repair facility? （）
A . Change of employment
B . Permit to proceed
C . Application for inspection
D . Temporary Certificate of Inspectio
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If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）
A . gas freed
B . inerted
C . filled with water
D . all of the above as necessary
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If you pass the graduation test in high school, you will have a high school graduation_____.
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For a L.Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will _____.
A.be interrupted
B.move downwards
C.move outwards
D.retain original position
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High level of the drug can______ if you take a dose too soon.
A.do nothing with your health
B.decline in your system
C.lead to toxicity
D.cure you quickly
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What can be inferred if the listeners have to reach too high？
A．They can adjust the handles.
B．They need to talk to their personal trainers.
C．They need to change the machines.
D．They can move the seat up.
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— The scrf is nice, but the price is little bit high.— _______, but if you wnt good qulity, you
— The scrf is nice, but the price is little bit high. — _______, but if you wnt good qulity, you hve
A．No wonder
B．No doubt
C．No offence
D．No problem
