单选题No outlet on a fire hydrant may point above the horizontal in order to（）.Aavoid kinking the hoseBavoid personal injury during connectionCmake connecting easierDprevent spray on electrical equipment
单选题
No outlet on a fire hydrant may point above the horizontal in order to（）.
A
avoid kinking the hose
B
avoid personal injury during connection
C
make connecting easier
D
prevent spray on electrical equipment
参考解析
解析：
暂无解析
相关考题：
A project may be defined as _____Aan integrated approach to managing projectsBa coordinated undertaking of interrelated activities.Ca group of activities directed by a project manger over a life cycleDan undertaking with a defined starting point and defined objectivesEAll of the above.
The most common form. of organizational communication isA Upward to managementB Downward to subordinatesC Horizontal to peersD Horizontal to customersE All of the above
92 The most common form. of organizational communication isA. Upward to managementB. Downward to subordinatesC. Horizontal to peersD. Horizontal to customersE. All of the above
A fire pump may be used for other purposes if ______.A.the other services are run off a reducing station with a pressure gageB.one of the required pumps is kept available for use on the fire main system at all timesC.no relief valves are installedD.all of the above conditions are met
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．A.Fire hose might be damaged by cargo operationsB.Vessel is in portC.Fire-main system is not chargedD.Fire pumps are used for purposes other than supplying water to the fire main
When fighting a large fire on your vessel and attacking it from ABOVE the space on fire，it is important to ______．A.Rotate personnel，due to heat stressB.Station personnel on the hot deck immediately above the fireC.Stay low by crouching or kneeling on deckD.All of the above
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a _____.A.submerged rock, not dangerous to navigationB.broken wreck, not dangerous to navigationC.towed-under buoyD.All of the above
Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above
If not attached to the nozzle, each low-velocity spray applicator on a vessel must be stowed__________.A.in a protected area on the main deckB.inside a machinery space near the entranceC.next to the fire hydrant to which the fire hose is attachedD.on a rack inside the quarters near the entrance
单选题Safe welding practice requires （）Achecking the area for items that may catch fireBthat a fire watch be postedCchecking for the explosive gasesDall of the above
单选题On a ship，a fire pump may be used for other purposes if（）.Athe other services are run off a reducing station with a pressure gageBa separate fire pump is available for use on the fire mainCall other services are operated by a manifold near the pumpDAll of the above
单选题What is the most vulnerable part of the fire main system on board an offshore rig?（）AThe fire pumpBExposed hard pipingCThe hydrant valveDThe fire hose
单选题Fire may be spread by which means?（）AConduction of heat to adjacent surfacesBDirect radiationCConvectionDAll of the above
单选题Fire detecting systems on merchant vessels may be arranged to sense （）.AsmokeBrate of temperature riseCionized particlesDall of the above
单选题A fire may be spread by which of the following means?（）AConduction of heat to adjacent surfacesBDirect radiationCConvectionDAll of the above
单选题A distorted furnace in a fire-tube auxiliary boiler may be the result of （）Afiring for extended periods in the low fire modeBoverheating, due to waterside depositsCvarying the water level above the crown sheetDcarrying excessive alkalinity in the boiler water
单选题To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.Areplace the gasket in the male couplingBreduce fire pump pressureCreplace the gasket in the female couplingDrethread the male coupling
单选题A fire hose has a（）.Amale coupling at both endsBfemale coupling at both endsCfemale coupling at the nozzle end and a male coupling at the hydrant endDmale coupling at the nozzle end and a female coupling at the hydrant end
单选题When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.Athreads are lubricatedBnozzle is attached to the hoseCfemale coupling has a gasketDhose is led out
单选题The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing（）.A45°upwardBvertically upwardCvertically downwardDall of the above
单选题A fire pump may be used for other purposes if（）.Athe other services are run off a reducing station with a pressure gageBone of the required pumps is kept available for use on the fire main system at all timesCno relief valves are installedDall of the above conditions are met
单选题Multiple fire pumps may be used for other purposes provided that one pump is（）.Aon line to the fire mainBkept available for use on the fire main at all timesCcapable of being connected to the fire mainDrated at or above 125 psi
单选题A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the（）.Afire hose might be damaged by cargo operationsBvessel is in portCfire-main system is not chargedDfire pumps are used for purposes other than supplying water to the fire main
单选题A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.Asubmerged rock，not dangerous to navigationBsunken wreck，not dangerous to navigationCtowed-under buoyDAll of the above
单选题Each fireman’s outfit and its spare equipment on a tanker must be stowed in a(n)（）.Alocked cabinet in the machinery spaceBunlocked cabinet in the machinery spaceCseparate and accessible locationDlocation near a fire hydrant
单选题Each fire hydrant must have at least one spanner and at least one（）.Ahose rack or reelBall purpose nozzleCfoam applicatorDpick axe
单选题If not attached to the nozzle,each low-velocity spray applicator on a vessel must be stowed（）.Ain a protected area on the main deckBinside a machinery space near the entranceCnext to the fire hydrant to which the fire hose is attachedDon a rack inside the quarters near the entrance