单选题An oxygen indicator will detect （）.Aconcentrations of explosive gasBan oxygen deficiency in a spaceCthe presence of harmful amounts of carbon monoxideDAll of the above
单选题
An oxygen indicator will detect （）.
A
concentrations of explosive gas
B
an oxygen deficiency in a space
C
the presence of harmful amounts of carbon monoxide
D
All of the above
参考解析
解析：
暂无解析
相关考题：
Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an ____.A.Orsat apparatusB.flame safety lampC.Halide torchD.combustible gas indicator
When anaerobic bacteria convert the sewage to an inert sludge, .A.no oxygen is neededB.oxygen is necessaryC.oxygen is given offD.no gas is produced
I hereby ______ that my vessel is fitted with a rudder angle indicator and an engine revolution indicator on the bridge in such a position that the pilot may read both without having to move away from his station； and that the rudder angle indicator and engine revolution indicator are in good working condition.A.delayB.stateC.deleteD.contain
While testing a cargo tank，your oxygen indicator reads 25% oxygen in the tank. You would then ______.A.enter the tank safelyB.suspect the accuracy of the readingC.ventilate the tankD.test for nitrogen
If the meter needle of the oxygen indicator cannot be set to zero，what should be done ________．A.Replace the batteriesB.Check the sampling tube for blockageC.Adjust the final reading by the amount the needle is displaced from zeroD.Replace the platinum filament
What could result in an incorrect oxygen concentration reading on the oxygen indicator ________．A.Exposure to carbon dioxide for no more than 1 minuteB.Exposure to carbon dioxide for more than 10 minutesC.Exposure to a very low concentration of sulfur dioxide for no more than 2 minutesD.None of the above
After each reading of an oxygen indicator, the instrument should be purged with ______.A.CO2B.fresh airC.the tested compartment’s airD.Water
An oxygen indicator can be used to determine if there is ______.A.sufficient oxygen in a compartment to support lifeB.combustible gases presentC.hyfrogen gases presentD.All of the above
Deficient oxygen content inside a chain locker can be detected with ______.A.litmus paperB.a combustible gas indicatorC.an oxygen breathing apparatusD.an oxygen indicator
精密进近航道指示器。（）A、Precision Approach Channel Indicator.B、Precision Approach Path Indicator.C、Accurate Approach Channel Indicator.D、Accurate Approach Path Indicator.
A network administrator wants to detect a login attack against a router. What IOS command can make the attack recorded in syslog server？（）A、Logging detect fail-loginB、Login on-failure logC、Login detect login-failure logD、Logging login on-failureE、none of the above
LTE上行实现半静态或动态频率重用方案的指示：A、HII （High Interference Indicator高抗干扰指标）B、TLI （Traffic Load Indicator交通负荷指示器）C、LB （Load Blance负载平衡）D、OI （Overload Indicator过载指示器）
LTE上行实现半静态或动态频率重用方案的指示：A、HII （High Interference Indicator）B、TLI （Traffic Load Indicator）C、LB （Load Blance）D、OI （Overload Indicator）
单选题A combustible gas indicator is used to determine （）.Aif there is sufficient oxygen to support lifeBthe toxicity of flammable gases or vaporsCthe amount ofCO2 present in flue gasDthe presence of flammable gases or vapors in the air
单选题If the meter needle of the oxygen indicator cannot be set to zero，what should be done? （）AReplace the batteriesBCheck the sampling tube for blockageCAdjust the final reading by the amount the needle is displaced from zeroDReplace the platinum filament
单选题Deficient oxygen content inside a chain locker can be detected with（）.Alitmus paperBa combustible gas indicatorCan oxygen breathing apparatusDan oxygen indicator
单选题Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.AOrsat apparatusBflame safety lampCHalide torchDcombustible gas indicator
单选题A network administrator wants to detect a login attack against a router. What IOS command can make the attack recorded in syslog server？（）ALogging detect fail-loginBLogin on-failure logCLogin detect login-failure logDLogging login on-failureEnone of the above
单选题A combination combustible gas and oxygen indicator is an instrument that measures the（） of both combustible gas and oxygen; each is indicated on a separate meter.ApurifiesBcombinationsCconcentrationsDfilters
单选题When a diesel engine compression pressure is checked, the indicator is connected to the （）Acylinder exhaust portsBinjection lineCcylinder indicator cockDbanjo oiler line
单选题An oxygen indicator will detect （）.Athe amount of oxygen in a spaceBthe presence of harmful amounts of carbon monoxideCconcentrations of explosive gasDAll of the above
单选题According to the passage, why couldn’t PET and functional M. R. I. scans detect subtle changes in blood flow earlier?ABecause there is early oxygen transfer.BBecause they do not form their images quickly enough to follow such rapid changes.CBecause researchers control the changes in blood flow.DBecause early oxygen transfer gives the flow blood energy.
单选题An oxygen indicator can be used to determine if there is（）.Asufficient oxygen in a compartment to support lifeBcombustible gases presentChydrogen gases presentDAll of the above
单选题After each reading of an oxygen indicator，the instrument should be purged with（）.ACO2Bfresh airCthe tested compartment's airDwater
单选题While testing a cargo tank，your oxygen indicator reads 25% oxygen in the tank. You would then （）.Aenter the tank safelyBsuspect the accuracy of the readingCventilate the tankDtest for nitrogen
单选题Deficient oxygen content inside a chain locker can be detected with（）.Alitmus paperBcombustible gas indicatorCoxygen breathing apparatusDoxygen indicator