单选题The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.AconductionBradiationCconvectionDadvection
单选题
The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.
A
conduction
B
radiation
C
convection
D
advection
参考解析
解析：
暂无解析
相关考题：
Fire dampers prevent the fire spreading through the process ofA.convectionB.conductionC.radiationD.direct contact
The fire extinguishing action of CO 2 comes mostly from ______.A.breaking the fire chemical chain reactionB.smotheringC.coolingD.isolating the heat from the fuel
Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through the ship’s metal
Which of the following statements about cooling is true？（）A、Adapter cards （e.g. modems） do not add to the heat generated in a computer case.B、Bus mastering reduces the amount of heat generated inside a computer case.C、Removing expansion slot covers can compromise cooling airflow design.D、Periodic cleaning of the computer components inside the case has no effect on cooling efficiency.
单选题The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.AconductionBconvectionCradiationDwindage
单选题Fire dampers prevent the fire spreading through the process of （）.AconvectionBconductionCradiationDdirect contact
单选题The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.AconductionBradiationCconvectionDadvection
单选题Fusible-link fire dampers are operated by（）.Aa break-glass and pull-cable systemBelectrical controls on the bridgeCa mechanical arm outside the vent ductDthe heat of a fire melting the link
单选题The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to（）.Ashield fire fighters from radiant heatBbreak up burning materialCget the most water possible on the fireDdrive heat and smoke ahead of the fire fighters
单选题Which of the following statements about cooling is true？（）AAdapter cards （e.g. modems） do not add to the heat generated in a computer case.BBus mastering reduces the amount of heat generated inside a computer case.CRemoving expansion slot covers can compromise cooling airflow design.DPeriodic cleaning of the computer components inside the case has no effect on cooling efficiency.
单选题Fire may be spread by which means?（）AConduction of heat to adjacent surfacesBDirect radiationCConvectionDAll of the above
单选题Convection spreads a fire by（）.Aheated gases flowing through ventilation syetemBthe transfer of heat across an unobstructed spaceCburning liquids flowing into another spaceDtransmitting the heat of a fire through the ships metal
单选题Convection spreads a fire as a result of （）.Atransmitting the heat of a fire through the ships metalBburning liquids flowing into another spaceCheated gases flowing through ventilation systemsDthe transfer of heat across an unobstructed space
单选题The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by （）.Apassing it through the expansion valveBcondensing refrigerant in the system condenserCpassing the gaseous refrigerant through the heat interchanger on the suction side of the compressorDmaintaining a high pressure on the systems receiver
单选题Which of the statements listed concerning heat transfer is correct?（）AHeat is always transferred at a constant rateBHeat transfer rate increases as temperature difference increasesCThe rate of heat transfer is not affected by temperature differenceDThe high temperature region is known as a heat sink
单选题The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.Aremain constant along the tubes lengthBbe greatest in a single pass counter flow heat exchangerCremain constant throughout the heat exchangerDvary from section to section through out the heat exchanger
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 fire must be ventilated（）.Awhen using an indirect attack on the fire such as flooding with waterBto prevent the gases of combustion from surrounding the firefightersCto minimize heat buildup in adjacent compartmentsDif compressed gas cylinders are stowed in the compartment on fire
单选题The purpose of designing some waste heat boilers with sinuous fire tubes, is to（）Aincrease exhaust gas velocity through the boilerBreduce accumulations of carbon deposits on the heat transfer surfacesCeliminate exhaust gas pulsations and noiseDincrease the rate of heat transfer to the waterside
单选题Which of the following will help dissipate heat through the heat sink when upgrading a CPU? （）ACase fanBThermal compoundCMotherboard riserDPower supply
单选题Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by （）.Aheat convection through the adjacent bulkheadsBcombustion gases carried through the ventilation systemCdirect convection of the heat emitted by the adjacent fireDheat radiated from the dock or bulkhead by the adjacent fire
单选题Too much excess air is （）because the heat generated is being lost through the exhaust trunking instead of being made used of in heating the water to produce steam.Anot goodBgoodCbetterDthe best
单选题What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）AElectricityBChain reactionCPressureDSmoke
单选题Which fire detection system is actuated by sensing a heat rise in a compartment?（）AManual fire detection systemBAutomatic fire detection systemCSmoke detection systemDWatchman's supervisory system
单选题Which fire fighting agent has the greatest capacity for absorbing heat?（）AwaterBdry chemicalCfoamDCO2
单选题The fire extinguishing action of CO2 comes mostly from （）.Abreaking the fire chemical chain reactionBsmotheringCcoolingDisolating the heat from the fuel
单选题The primary function(s) of an automatic sprinkler system is(are) to（）.Aextinguish the fire which triggers itBlimit the spread of fire and control the amount of heat producedCprotect people in the areas which have sprinkler headsDalert the crew to the fire
单选题Radiation can spread a fire by （）.Atransmitting the heat of a fire through the ship s metalBburning liquids flowing into another spaceCheated gases flowing through ventilation systemsDthe transfer of heat across an unobstructed space