网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Fuel oil tank vents are fitted with a screen which will stop（）.
A
oil from flowing out of the tank vent
B
air from entering the tank vent
C
vapors from leaving the tank vent
D
flames on deck from entering the tank vent
参考答案
参考解析
解析：
暂无解析
更多 “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” 相关考题
考题
The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank
考题
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he ____.A.Stop all F.O. transfers immediately, and inform the chief engineer.B.Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.C.Call a motorman and have him sound the F.O. overflow tank periodically during the night.D.start the F.O. purifier
考题
Every new crude oil tanker of 20 000 tons deadweight and above shall be fitted with a cargo tank cleaning system using ______．A.Hot waterB.Cold waterC.ChemicalsD.Crude oil washing
考题
Gasoline fuel tank vents should terminate ______．A.In the engine compartmentB.In the fuel tank spaceC.Above or outside the hullD.At the most convenient location
考题
材料：Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using crude oil washing．The Administration shall undertake to ensure that the system fully complies with the requirements of MARPOL within one year after the tanker was first engaged in the trade of carrying crude oil or by the end of the third voyage carrying crude oil suitable for crude oil washing，whichever occurs later．Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall operate the system in accordance with the requirements of that Regulation．Every existing crude oil tanker of 40000 tons deadweight and above shall be provided with segregated ballast tanks．Existing crude oil tankers may，in lieu of being provided with segregated ballast tanks，operate with a cargo tank cleaning procedure using crude oil washing unless the crude oil tanker is intended to carry crude oil which is not suitable for crude oil washing．Existing crude oil tankers may，in lieu of being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the provision of Regulation 13A of this Annex for the following period：for crude oil tankers of 70 000 tons deadweight and above，until two years after the date of entry into force of the present Convention；and for crude oil tankers of 40000 tons deadweight and above but below 70 000 tons deadweight，until four years after the date of entry into force of the present Convention．问题：A new crude oil tanker of 30000 tons deadweight shall ________．A.be fitted with crude oil washing systemB.operate dedicated clean ballast tanksC.be fitted with segregated ballast tanksD.be fitted with washing system other than crude oil washing systemExcept________，the existing crude oil tankers may operate with any of the following installations．A.segregated ballast tanksB.cargo tank cleaning procedure using crude oil washingC.operate with dedicated clean ballast tanksD.protection positionThe latest date for an existing crude oil tanker of 60000 tons deadweight to install dedicated clean ballast tanks is ________．A.until two years after the date of entry into force of the present ConventionB.until four years after the date of entry into force of the present ConventionC.within one year after the tanker was first engaged in the trade of carrying crude oilD.by the end of the third voyage carrying crude oilIt is inferred that ________．A.all oil tankers，both the newly built and existing ones，shall be fitted with a cargo tank cleaning system using crude oil washingB.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with segregated ballast tanksC.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with dedicated clean ballast tanksD.a new crude oil tanker of 20 000 tons deadweight and above shall not be fitted with a cargo tank cleaning system using crude oil washing immediately after her entry in the trade of carrying crude oil请帮忙给出每个问题的正确答案和分析，谢谢！
考题
单选题In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A
a service tankB
a settling tankC
an expansion tankD
a double bottom tank
考题
单选题If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.A
close the static leg filling valveB
close the overflow tank falling valveC
reduce the fuel oil pumping rateD
stop the fuel oil pumping operation
考题
单选题When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?（）A
cold fuel oilB
low fuel oil pressureC
low atomizing steam pressureD
water in the fuel oil
考题
单选题When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）A
plugging gooseneck tank vents to prevent accident overflowB
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow lineC
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fillD
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
考题
单选题In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A
a service tankB
a collecting tankC
a sumpD
a settling tank
考题
单选题A dirty fuel oil filter element can be detected by （）A
Visual inspection of the elementB
the pressure drop cross the filterC
high fuel oil tank temperatureD
increase flow rate from the filter
考题
单选题The depth of fuel oil in a tank is normally measured through the（）A
vent lineB
overflow lineC
feed lineD
sounding tube
考题
单选题Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.A
condensation in the fuel tankB
a crack in the hull portion of the fuel tankC
a load of bad fuelD
contamination from the saltwater flushing system
考题
单选题Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using（）.A
hot waterB
cold waterC
chemicalsD
crude oil washing
考题
单选题To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）A
bilge tankB
sludge tankC
overflow tankD
oil collecting tank
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Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）A
Commence draining that tank as quickly as possibleB
Seal off all vents to that tankC
Activate the CO2 system to that tankD
Shut off the steam heating coils
考题
单选题Which of the followings will affect the spray of fuel oil?（）A
coke depositsB
cylinder water temperatureC
asphalt in fuel oilD
lub oil
考题
单选题The pollution prevention regulations do not apply to the transfer or discharge of （）A
bunker fuel for use aboard shipB
lubricating oil for use aboard shipC
coconut oil carried in tank vesselsD
oily water from a ships bilges
考题
单选题The （） or balance tank collects the re-circulated fuel oil.A
bufferB
sumpC
bilgeD
overflowing
考题
单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）A
double bottom fuel oil tank temperatureB
heater supply steam flowC
pressure of the fuel supplied to the burnersD
attemperator steam flow in the heater discharge circuit
考题
单选题Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.A
within the space concernedB
outside the space concernedC
the throttle stationD
within the fire room
考题
单选题Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by （）.A
sounding the tankB
waiting for the vessel to listC
examining tank boundariesD
checking fuel oil strainers
考题
单选题Permitting a diesel engine fuel oil day tank to run dry can cause （）A
overheated injection pumpsB
water condensation in the cylindersC
fuel dilution of the lube oilD
air in the fuel system
考题
单选题The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.A
quantity of fuel to be receivedB
flash point of the fuel as it is receivedC
fuel temperature as it is receivedD
viscosity of the fuel being received
考题
单选题Gasoline fuel tank vents should terminate（）.A
in the engine compartmentB
in the fuel tank spaceC
above or outside the hullD
at the most convenient location
考题
单选题Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.A
existing crude oil tanker of 20000 tons deadweight and underB
new crude oil tanker of 20000 tons deadweight and underC
existing crude oil tanker of 20000 tons deadweight and aboveD
new crude oil tanker of 20000 tons deadweight and above
热门标签
最新试卷