单选题Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.AoutsideBon class C firesCin an emergencyDon class B fires
单选题
Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.
A
outside
B
on class C fires
C
in an emergency
D
on class B fires
参考解析
解析：
暂无解析
相关考题：
73/78防污公约附则Ⅵ对船舶使用消耗臭氧层物质规定，船上可能有的"消耗臭氧层物质"包括但不限于下列各项______。Ⅰ.Halon1211;Ⅱ.Halon1301;Ⅲ.Halon2402;Ⅳ.CFC-11;Ⅴ.CFC-12;Ⅵ.CFC-113;Ⅶ.CFC-114;Ⅷ.CFC-115。A.Ⅰ+Ⅱ+ⅢB.Ⅳ+ⅤC.Ⅵ+Ⅶ+Ⅶ+ⅧD.以上全部
When will the fire department come to conduct a fire prevention inspection in our company?A. Next month. I’ve checked hydrants and fire-extinguishers on each floorB.Next day. The manager will check hydrants and other equipment in the building.C.Next week. But hydrants and fire extinguishers on each floor has already been checkedD.The day before yesterday. I had already checked hydrants and fire extinguishers on each floor.
Which statement about general average is TRUE ________．A.Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purposeB.Property must have been sacrificed or an expenditure of money incurredC.The loss or damage to deck cargo due to heavy weather constitutes general averageD.Of the ship，the freight，and the cargo interests，only one need be involved
If the salvor has been negligent and has thereby failed to prevent or minimize damage to the environment，he ______．A.may be deprived of the whole or part of any special compensation due thereunderB.will be in no way deprived of any special compensation due thereunderC.will be required to pay special compensation to the parties involved thereinD.will be required to pay special compensation to the competent authorities thereof
Concentrated heavy loads are involved in loading a LASH vessel. What does NOT require close attention due to such loads while working cargo?______.A.GM – available and requiredB.Longitudinal stress numeralC.Tons per inch immersion numeralD.Draft
The command output that follows was gathered from router R1. If correctly referenced by an EIGRP distribution list that filters outbound Updates, which of the following statements is true about the filtering of various prefixes by this Prefix list?（） R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 se q 20 permit 0.0.0.0/0A、Prefix 10.1.2.0/24 will be filtered due to clause 5B、Prefix 10.1.2.224/26 will be filtered due to clause 5C、Prefix 10.2.2.4/30 will be filtered due to clause 15D、Prefix 10.0.0.0/8 will be permitteDE、Prefix 0.0.0.0/ 0 will be permitteD
单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）AFires in electrical equipmentBFlammable oils and greasesCClass A fires in ordinary combustiblesDMaterials containing their own oxygen
单选题The principal personnel hazard unique to Halon extinguishers is（）.Adisplacement of oxygenBskin irritationCinhaling toxic vaporsDeye irritation
单选题What is the speaker’s main topic?AEffects of using mobile phones on healthy human cells.BRisks of developing cancer involved in the use of mobile phones.CDamage to healthy cells caused by the use of mobile phones.DThe potential health hazards of mobile phones on humans.
单选题Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.AcoolingBsmotheringCoxygen dilutionDbreaking the chain reaction
单选题73/78防污公约附则Ⅵ对船舶使用消耗臭氧层物质规定，船上可能有的"消耗臭氧层物质"包括但不限于下列各项（）。 Ⅰ．Halon1211； Ⅱ．Halon1301； Ⅲ．Halon2402； Ⅳ．CFC-11； Ⅴ．CFC-12； Ⅵ．CFC-113； Ⅶ．CFC-114； Ⅷ．CFC-115。AⅠ＋Ⅱ＋ⅢBⅣ＋ⅤCⅥ＋Ⅶ＋Ⅶ＋ⅧD以上全部
单选题Portable foam type fire extinguishers are most effective on（）.Amattress firesBoil firesCwood firesDAll of the above
单选题To be frank, I’d rather you had not involved in the case.Awere not involved Bnot involvedCnot to involved Dwill not be involved
单选题Concentrated heavy loads are involved in loading a LASH vessel. What does NOT require close attention due to such loads while working cargo?（） .AGM - available and requiredBLongitudinal stress numeralCTons per inch immersion numeralDDraft
单选题Connentrated heavy loads are involved in loading a lash vessel. What does not require close attention due to such loads while working cargo?（）.AGM-available and requiredBLongitudinal stress numberalCTons per inch immersion numeralDDraft
单选题Fire extinguishers of sizes III，IV，and V are designated as（）.AportableBsemi-portableCfixedDdisposable
单选题Halon extinguishes a fire by（）.Abreaking the chain reactionBsmothering the fireCcooling the fireDcoating the fuel with a nonflammable surface
单选题After using a Halon extinguisher，it should be（）.Aput back in service if more than 50% of the charge remainsBrepaintedCdiscardedDrecharged
单选题Halon extinguishers used on a class C fire should be directed at the（）.Abase of the equipmentBtop of the equipmentCpower sourceDsource of the fire
单选题Halon extinguishes fire primarily by（）.AcoolingBsmotheringCshielding of radiant heatDbreaking the chain reaction
单选题Halon from extinguishers used on a class B fire，should be directed（）.Aat the top of the flamesBat the base of the fire near the edgeCin short quick burstsDtoward the upwind side of the fire
单选题Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.Athe CO2 being inhaled by personnelBreflash of burning liquidsCvapor condensation on the extinguisherDthe discharge causing a static spark