N2 safety shut-off valve 1 tripped氮气安全截止阀2故障
N2 safety shut-off valve 1 tripped氮气安全截止阀2故障
相关考题：
在研究某一问题中使用F检验法，如果在显著性水平α=0.05的水平下，统计量F大于临界值F0.95(n1，n2)，则在α=0.01水平下，可能的结论有( )。A．F＞F0.99(n1，n2)B．F≤F0.99(n1，n2)C．F0.99(n1，n2)＞F0.95(n1，n2)D．F0.99(n1，n2)＜F0.95(n1，n2)E．F=F0.99(n1，n2)
设有如下程序：main(){int n1,n2;scanf("%d",n2);while(n2!=0){ n1=n2%10;n2=n2/10;printf("%d",n1);}}程序运行后，如果从键盘上输入1298，则输出结果为【】。
两根长度、容重相同的悬挂杆横截面面积分别为A2和A1,设N1、N2、σ1、σ2分别为两杆中的最大轴力和应力,则()。 A.N1=N2、σ1=σ2B.N1≠N2、σ1=σ2C.N1=N2、σ1≠σ2D.N1≠N2、σ1≠σ2
两样本均数比较时,在其他条件相同情况下,下列四种选择中,()时检验效能最大。 A、α=0.05,n1=n2=20;B、α=0.01,n1=n2=30;C、α=0.05,n1=n2=30;D、α=0.01,n1=n2=20;E、α=0.01,n1=20,n2=30;
The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ______.A.steam demand is highB.salinity is highC.safety valve simmers(爆发)D.burner flame is extinguished
The amount of LFG that may be loaded into a given tank is determined by ______．A.Checking the loading sheetB.Loading to within 1 percent of outageC.Loading to within 10 percent of the safety relief valve settingD.Filling to the maximum level indicated on the liquid level gaging device
A cargo hose is marked with the ______．A.maximum working pressureB.bursting pressureC.safety relief valve settingD.maximum temperature
初涂固化炉助燃空气压力低的英文翻译（） A、PRIME OVEN COMBUSTION AIR PRESS LOWB、PRIME OVIME COG SAFETY SHUT OFF VALVE ANTION TIME OUTC、PRIME OVERN COMBUSTION FAN NFB OFF
单选题When operating the air supply system in a covered lifeboat the（）.Afuel supply valve should be closedBhatches，doors，and oar ports should be closedCair cylinder shut-off valve should be closedDengine should be shut off
多选题在研究某一问题中使用F检验法，如果在显著性水平α=0.05的水平下，统计量F大于临界值F0.95（n1，n2），则在α=0.01水平下，可能的结论有（ ）。AF＞F0.99（n1，n2）BF≤F0.99（n1，n2）CF0.99（n1，n2）＞F0.95（n1，n2）DF0.99（n1，n2）＜F0.95（n1，n2）EF=F0.99（n1，n2）
单选题A carburetor is required to have a safety device called a(n)（）.Apressure releaseBbackfire flame arrestorCautomatic shut offDflow valve
单选题In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）AThe safety valve escape piping should be disconnected from the valve body and a blank insertedBThe boiler vent valves should be openedCAll hand-hole/manhole covers should be tightened up as much as possible to preclude any leaksDAll of the above
单选题In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）AThe safety valve escape piping should be disconnected from the valve body and a blank insertedBThe boiler vent valves should be openedCAll handhole/manhole covers should be tightened up as much as possible to preclude any leaksDAll of the above
单选题On a ship，the possibility of a blowout makes which type of diesel engine shutdown desirable?（）AOverspeed tripBAir inlet shut-off valveCWater injectorDFuel cutoff valve
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The amount of LFG that may be loaded into a given tank is determined by（）.Achecking the loading sheetBloading to within 1 percent of outageCloading to within 10 percent of the safety relief valve settingDfilling to the maximum level indicated on the liquid level gaging device
单选题The safety valve should be （） in the presence of C/E and Surveyor.Atightened upBsealed upCopened upDunscrewed
单选题（） supplies pilot air to control the cylinder air start valves.AAn air compressorBAn indicator cockCAn air distributorDA safety valve
单选题Valve cages are used on some large diesel engines to （）Areduce wear on the valve stemBpermit the use of alloy valve seat materialsCreduce heat transfer from the valve seatDfacilitate valve removal for servicing
单选题In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the（）Afuel valves；exhaust valveBexhaust valves；inlet valveCfuel valves；inlet valveDexhaust valves；fuel valve