CLOSE DRAIN TANK（C.D.T）的中文意思是什么？
CLOSE DRAIN TANK（C.D.T）的中文意思是什么？
相关考题：
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
( )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
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
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
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
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
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
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
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
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
单选题When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.Aone meter from the tank bottom and one meter below the tank topBone half the ullage of the tank and one meter below the tank topCone half the ullage of the tank and one meter above the tank bottomDat three meter intervals from the tank top to the bottom
单选题The number or name of a tank barge shall be（）.Adisplayed in at least 4 different positions on the bargeBcarved on a wooden board and attached to the barge's hullCdisplayed as close to the navigation lights as possibleDdisplayed at the highest point of the barge's hull such that it can be seen from either side
单选题Fuel oil tank vents are fitted with a screen which will stop（）.Aoil from flowing out of the tank ventBair from entering the tank ventCvapors from leaving the tank ventDflames on deck from entering the tank vent
单选题The amount of lubricating oil in the drain tank should be checked by （）.AmeasuringBsounding rodCmeteringDweighting
单选题When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.Aone meter from the tank bottom and one meter below the tank topBone half the ullage of the tank and one meter below the tank topCone half the ullage of the tank and one meter above the tank bottomDat three meter intervals from the tank top
单选题Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to（）.Abe fitted with a positive fuel shut-off valve located at the tankBhave a shut-off valve at the top of the tankChave a gate valve easily accessible in the space where the tank is locatedDhave a drain cock at the lowest point in the fuel line
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.Asea cheatBair receiverCcrankcaseDwater box
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（）.Aopen and individual tank valves openBopen and the individual tank valves closedCclosed and the individual tank valves closedDclosed and the individual tank valves open
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（）.AincreaseBdecreaseCstopDremain constant
单选题The lubricating oil is pumped from the drain tank, very often with （） in the suction line.Aa filterBa strainerCa magnetic filterDa fine strainer
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?（）AThe tank must be gas freedBThe tank must be ballastedCThe tank must be vented to the atmosphereDThe bypass valve must also be closed
单选题When fueling has been completed（）.Athe fuel tank fill pipe should be left open to allow vapors to vent from the tankBthe engine should be started immediately to prevent vapor lock in the fuel lineCall hatches should be opened and all compartments should be ventilatedDopen the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
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 （）.Adoesnt use a drain tank but a head tankBuses a drain tank not head tankCuses a drain tank and a head tankDuses neither a drain tank nor a head tank
单选题Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?（）ACorrosion and eventual failure of the tankBGumming of the tank relief valvesCImmediate failure of components downstream of the compressed air systemDBoiling of the water oil mixture as pressure is reduced
单选题The piston cooling system may employ similar components, except that （） is used instead of a head tank.Aa sump tankBa feed wellCa double bottom tankDa drain tank
单选题The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.Aa strain tankBa head tankCa service tankDa strainer