单选题An oxygen indicator can be used to determine if there is（）.Asufficient oxygen in a compartment to support lifeBcombustible gases presentChydrogen gas presentDAll of the above
单选题
An oxygen indicator can be used to determine if there is（）.
A
sufficient oxygen in a compartment to support life
B
combustible gases present
C
hydrogen gas present
D
All of the above
参考解析
解析：
暂无解析
相关考题：
The system’s characteristic equation can be used to determine ( ) of a linear time－invariant system. A.the stabilityB.magnitude of the steady-state errorC.the controllabilityD.the observability
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine The device most commonly used is aA.tachometerB.pyrometerC.dynamometerD.calorimeter
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
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
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
A basic cable tester can be used to do which of the following?（）A、Assure end to end continuity of a UTP cable.B、Locate the distance to a cable break.C、Determine the CAT level of a UTP cable.D、Determine the distance to the nearest wiring closet.
Which of the following utilities can be used to determine the current partition information on an attached storage device？（）A、Add Hardware WizardB、Device ManagerC、Disk ManagementD、Control Panel
Which statement about HTTPS decryption on the WSA is true？（） A、if enabled， all HTTPS traffic must be decryptedB、if WBRS is enabled， it can be used to determine whether the HTTPS traffic is to be decryptedC、decrypted HTTPS traffic is sent unencrypted across the enterprise intranetD、object size can be used to determine whether the HTTPS traffic is to be decrypted
Which of the following performance tools can be used to determine if a system is thrashing？（）A、 svmon and tprofB、 vmtune and schedtuneC、 ps and schedtuneD、 vmstat and topas
A server has been having a memory problem. What feature can be used to determine the failing memory module？（）A、Reboot the serverB、RSA IIC、LightPath DiagnosticsD、ServerGuide
单选题Which of the following performance tools can be used to determine if a system is thrashing？（）A svmon and tprofB vmtune and schedtuneC ps and schedtuneD vmstat and topas
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According to the passage, which of the following is true of the ratios of oxygen isotopes in ocean sediments?AThey indicate that sediments found during an ice age contain more calcium carbonate than sediments formed at other times.BThey are less reliable than the evidence from rocks on land in determining the volume of land ice.CThey can be used to deduce the relative volume of land ice that was present when the sediment was laid down.DThey are more unpredictable during an ice age than in other climatic conditions.EThey can be used to determine atmospheric conditions at various times in the past.
单选题Which statement about HTTPS decryption on the WSA is true？（）Aif enabled， all HTTPS traffic must be decryptedBif WBRS is enabled， it can be used to determine whether the HTTPS traffic is to be decryptedCdecrypted HTTPS traffic is sent unencrypted across the enterprise intranetDobject size can be used to determine whether the HTTPS traffic is to be decrypted
单选题Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）AViscosity is decreasedBOctane number is alteredCPump speed is decreasedDBlower’s speed is decreased
单选题A salinity indicator is used to determine the （）.Acause of salt contaminationBlocation of salt water contaminationCchemical makeup of feed-waterDlevel of alkalinity in condensate
单选题An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus （）AThe breaker should be closed when one synchronizing lamp is dark and the other is brightBThe breaker should be closed when both synchronizing lamps are brightCThe frequency meter should be used to determine that the incoming alternator frequency is slightly higher than the busDA portable phase sequence indicator must be used to verify the information from the lamps
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 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What can be used to measure the percentage of oxygen inside a chain locker?（）AFlame safety lampBCombustible gas indicatorCOxygen indicatorDH2S meter
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If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.AOnly a radar expert can determine if the radar is operatingBAll radars have indicator lights and alarms to signal improper operationCA radar range compared to the actual range of a known object can be used to check the operation of the radarDThe radar resolution detector must be energized to check the radar
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
单选题If you（）a magnet-needle, its two ends can point North and South, and so it can be used to determine directions.AovertakeBfixChighlightDsuspend