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CLOSE DRAIN TANK（C.D.T）的中文意思是什么？
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更多 “CLOSE DRAIN TANK（C.D.T）的中文意思是什么？” 相关考题
考题
In the following statements about the principle of the low level controlling, which is WRONG? 0
A.Low level is monitored on the drain tank and header tank.B.If there is high differential the filters pressure across the circulatingpumps is alarmedC.The lubricating oil purifier cannot take oil from the drain tankD.If the sea water pressure falls, this also operates an alarm
考题
( )is monitored on the drain tank and header tank by magnetic switches with a 20seconds delay to prevent false alarms due to surging
A.Low pressure of the lubricating oilB.Low level of the lubricating oilC.High temperature of the lubricating oilD.High temperature of the cooling water
考题
Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?A.Corrosion and eventual failure of the tankB.Gumming of the tank relief valvesC.Immediate failure of components downstream of the compressed air systemD.Boiling of the water oil mixture as pressure is reduced
考题
Because the circulating water is in a closed loop,_______is installed to cater for expansion and contraction of the water at different conditions of operation.A.an expansion jointB.a drain tankC.a head tankD.a contraction tank
考题
When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it ______.A.one meter from the tank bottom and one meter below the tank topB.one half the ullage of the tank and one meter below the tank topC.one half the ullage of the tank and one meter above the tank bottomD.at three meter intervals from the tank top to the bottom
考题
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.increaseB.decreaseC.stopD.remain constant
考题
The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a ______．A.Suction endB.StrainerC.Bell-mouthD.Vacuum valve
考题
The number or name of a tank barge shall be ______．A.Displayed in at least 4 different positions on the bargeB.Carved on a wooden board and attached to the barge's hullC.Displayed as close to the navigation lights as possibleD.Displayed at the highest point of the barge's hull such that it can be seen from either side
考题
When loading a tanker，you should ______．A.load only one tank at a timeB.keep the seamen on watch on standby in the mess roomC.keep a strain on the loading hosesD.close valves by closing them down，reopening one or two turns，and re-closing
考题
You have completed a crude oil wash．What action should be taken with the oil in the lines running to the washing machines ________．A.Open a COW nozzle forward and one aft and drain the line into the after tank by gravityB.Blow the line out using compressed airC.Pull a suction using the supply line pumpD.Close off all valves in the system and leave the oil in the line primed for the next crude oil wash
考题
单选题When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.A
one meter from the tank bottom and one meter below the tank topB
one half the ullage of the tank and one meter below the tank topC
one half the ullage of the tank and one meter above the tank bottomD
at three meter intervals from the tank top to the bottom
考题
单选题The number or name of a tank barge shall be（）.A
displayed in at least 4 different positions on the bargeB
carved on a wooden board and attached to the barge's hullC
displayed as close to the navigation lights as possibleD
displayed at the highest point of the barge's hull such that it can be seen from either side
考题
单选题Fuel oil tank vents are fitted with a screen which will stop（）.A
oil from flowing out of the tank ventB
air from entering the tank ventC
vapors from leaving the tank ventD
flames on deck from entering the tank vent
考题
单选题The amount of lubricating oil in the drain tank should be checked by （）.A
measuringB
sounding rodC
meteringD
weighting
考题
单选题When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.A
one meter from the tank bottom and one meter below the tank topB
one half the ullage of the tank and one meter below the tank topC
one half the ullage of the tank and one meter above the tank bottomD
at three meter intervals from the tank top
考题
单选题Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to（）.A
be fitted with a positive fuel shut-off valve located at the tankB
have a shut-off valve at the top of the tankC
have a gate valve easily accessible in the space where the tank is locatedD
have a drain cock at the lowest point in the fuel line
考题
单选题Lubricating oil for an engine is stored at the bottom of the （）, known as the sump or in a drain tank located beneath the engine.A
sea cheatB
air receiverC
crankcaseD
water box
考题
单选题In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.A
open and individual tank valves openB
open and the individual tank valves closedC
closed and the individual tank valves closedD
closed and the individual tank valves open
考题
单选题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
increaseB
decreaseC
stopD
remain constant
考题
单选题The lubricating oil is pumped from the drain tank, very often with （） in the suction line.A
a filterB
a strainerC
a magnetic filterD
a fine strainer
考题
单选题What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）A
The tank must be gas freedB
The tank must be ballastedC
The tank must be vented to the atmosphereD
The bypass valve must also be closed
考题
单选题When fueling has been completed（）.A
the fuel tank fill pipe should be left open to allow vapors to vent from the tankB
the engine should be started immediately to prevent vapor lock in the fuel lineC
all hatches should be opened and all compartments should be ventilatedD
open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
考题
单选题The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system （）.A
doesnt use a drain tank but a head tankB
uses a drain tank not head tankC
uses a drain tank and a head tankD
uses neither a drain tank nor a head tank
考题
单选题Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?（）A
Corrosion and eventual failure of the tankB
Gumming of the tank relief valvesC
Immediate failure of components downstream of the compressed air systemD
Boiling of the water oil mixture as pressure is reduced
考题
单选题The piston cooling system may employ similar components, except that （） is used instead of a head tank.A
a sump tankB
a feed wellC
a double bottom tankD
a drain tank
考题
单选题The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.A
a strain tankB
a head tankC
a service tankD
a strainer
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