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
The fuel pipes and ducts should be blown with （）.
A
atmosphere
B
the fresh water
C
compressed air
D
chemical compounds
参考答案
参考解析
解析：
暂无解析
更多 “单选题The fuel pipes and ducts should be blown with （）.A atmosphereB the fresh waterC compressed airD chemical compounds” 相关考题
考题
If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at theA.fuel line connections to the cylinder injection valvesB.gasket surfaces of the fuel oil filtersC.discharge fittings of the fuel injector pumpsD.suction side of the fuel oil transfer pump
考题
Which of the following is NOT mentioned in this passage?A.There may be oil vapor in the engine roomB.Pipes and fittings may be damaged if explosion takes placeC.The cooler should be drainedD.Bursting caps must be fitted
考题
When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.A.increase the fuel oil temperatureB.decrease the fuel oil temperatureC.decrease the fuel oil supply pressureD.increase the air supply
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
Tony stops him with news that a plane has ______ over the Mojave Desert.A.blown off
B.blown in
C.blown down
D.blown up
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The remaining oil in the lubricating pipes and ducts should be blown out with （）.A
atmosphereB
the fresh waterC
compressed airD
chemical compounds
考题
单选题The lubricating pipes and dusts should be blown out with （）.A
atmosphereB
the fresh waterC
compressed airD
chemical compounds
考题
单选题All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）A
not be put into operation too earlyB
be pay adequate attention toC
be used only when necessaryD
be coated with certain material
考题
单选题While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）A
reduce the fuel feeding of main engine of inner propellerB
reduce the fuel feeding of main engine of outer propellerC
firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propellerD
reduce fuel feeding of two engines at the same time
考题
单选题If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.A
secure the ventilationB
find a soda acid extinguisherC
shut off the fuel oil supplyD
secure the generator
考题
单选题If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）A
Move the fuel control mechanism to the no fuel positionB
Block the fuel supply by closing the master fuel valveC
Shut off the fuel supply and block the flow of intake airD
Relieve all pressure in the fuel system
考题
单选题When an auxiliary boiler is panting and emitting black smoke, you should （）.A
increase the fuel oil temperatureB
decrease the fuel oil temperatureC
decrease the fuel oil supply pressureD
increase the air supply
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.A
filter to remove the fuel oilB
use the settler to remove the fuel oilC
remove the fuel oil by centrifugingD
drain and then renew the lube oil supply
考题
单选题For optimum results, centrifugal purification of heavy fuel oil should be accomplished with the fuel at the lowest practicable（）A
throughputB
additive percentC
cetane numberD
TBN number
考题
单选题The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.A
finished with enginesB
stopC
stand byD
full ahead
考题
单选题To successfully reduce an excessively high diesel engine exhaust gas temperature, you should （）.A
reduce the engine driven fuel pump outlet pressureB
retard the fuel injector timing to reduce powerC
increase the fuel rack settingD
reduce the load on the engine
考题
单选题Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?（）A
There shall be at least 3 ventilator ducts open to the atmosphereB
At least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilgeC
At least one intake duct shall extend from the open atmosphere to the lower portion of the bilgeD
Only vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartments
考题
单选题After taking on fuel oil, the hoses should be disconnected and （）.A
draped over the fantail to dry outB
drained over the side and washed outC
drained into the bilges and washed outD
drained into buckets or fuel tanks
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If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）A
fuel line connections to cylinder injection valvesB
gasket surfaces of the fuel oil filtersC
discharge fitting of the fuel injector pumpsD
suction side of the fuel oil tran
考题
单选题What should you set the Client Configuration to when configuring the ODBC Data Source for the Database Subsystem?（）A
TCP/IP B
Multiprotocol C
Named Pipes D
NWLink IPX/SPX
考题
单选题Air compressor receivers should be “blown down” at least （）.A
yearlyB
quarterlyC
monthlyD
daily
考题
单选题When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）A
increase the starting air pressureB
use a higher than normal cranking speedC
increase the fuel injection pressureD
use a fuel having a lower ignition temperature
考题
单选题It is usual to identify the fluids in pipes by bands of paint at intervals, and the engineer should familiarize himself with the code in use.According to the above sentence, which of the following statements is true?（）A
People can know the types of fluids in pipes by feeling with handsB
There are series of rings painted in the pipes to show various fluidsC
Engineers should wear cards standing for ranksD
Engineer knows his own code very well
热门标签
最新试卷
