单选题The sensible heat of air is dependent upon the （）.Adry bulb temperatureBwet bulb temperatureCsaturation temperatureDwater vapor superheat
单选题
The sensible heat of air is dependent upon the （）.
A
dry bulb temperature
B
wet bulb temperature
C
saturation temperature
D
water vapor superheat
参考解析
解析：
暂无解析
相关考题：
The degree to which a company accepts and utilizes project management is often dependent upon the _____ and _____ of the project.ACompetition, dollar valueBType of industry, manpower requirementsCSize, natureDQuality requirements, manpower requirementEType of industry, risk
● The degree to which a company accepts and utilizes project management is often dependent upon the _____ and _____ of the project.A Competition, dollar valueB Type of industry, manpower requirementsC Size, natureD Quality requirements, manpower requirementE Type of industry, risk
The heat identified by only a change in temperature is known asA.sensible heatB.latent heatC.total heatD.residual heat
The process during which liquid containing a reasonable amount of sensible heat at a particular pressure immediately changes into steam after admitted to a chamber at a lower pressure is called _____.A.boiling offB.flash evaporationC.condensationD.none of the above
The effective temperature of air is dependent upon ______. I. relative humidity II. air velocityA.I onlyB.II onlyC.Both I and IID.Neither I nor II
The heat gained per pound of refrigerant in the evaporator is known as the ______.A.latent heat of vaporizationB.sensible heatC.refrigerating effectD.specific heat of vaporization
Which of the following channels air flow through a server chassis？（）A、FansB、DuctsC、Heat sinksD、Condensers
Which of the following components channels air flow through a server chassis？（）A、 FanB、 Heat sinkC、 ShroudD、 Radiator
When comparing capacity-to-capacity， the IBM Rear Door Heat eXchanger helps provide more advantages than other available thermal environment solutions， usually at a fraction of the cost. Which of the following statements is NOT an advantage of the IBM Rear Door Heat eXchanger？ （）A、The IBM Rear Door Heat eXchanger may dramatically unburden existing AC units by cooling the air before it exhausts from the electronics into the hot aisle.B、The IBM Rear Door Heat eXchanger is a "hang， plug， and run" design so the units may be added quickly.C、The IBM Rear Door Heat eXchanger is equipped with two fans to help maintain water temperature at 18C （64.4F） and provide even air flow.D、The IBM Rear Door Heat eXchanger is designed to support a 42U rack.
单选题The speed of an ocean current is dependent on（）.Athe density of the waterBthe air temperatureCthe presence of a high pressure area near itDunderwater soil conditions
单选题Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be （） to maintain ambient conditions within the comfort zone by air conditioning.ApossibleBnecessaryCpracticableDimpracticable
单选题What is the purpose of sub cooling R-12 in the condenser?（）Ato increase the system efficiency by sensible heat transferBto stop the liquid from flashingCto reduce the load on the compressorDto remove latent heat of vaporization and the suction piping transfer
单选题The sum of the sensible heat and the latent heat of any substance is known as （）.Atotal heatBresidual heatCspecific heatDsuperheat
单选题Successful combustion inside the cylinders of a diesel engine is dependent upon （）.Afine atomizationBhigh temperatureCgood mixing of fuel and airDall of the above
单选题The process during which liquid containing a reasonable amount of sensible heat at a particular pressure immediately changes into steam after admitted to a chamber at a lower pressure is called （）.Aboiling offBflash evaporationCcondensationDnone of the above
单选题The power developed by a large slow-speed main propulsion diesel engine is dependent upon the （）Aquantity of air it takes in and retains in the cylinders during a given time periodBproportion of trapped air that is utilized in the combustion processCthermodynamic efficiency of the engine cycleDall of the above
单选题The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（）Athe burningBthe fuelCthe air chargeDthe engine piston
单选题The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the（）Arated capacity of that purifierBviscosity of the oil being purifiedCmaximum design speed of that purifierDspecific gravity of the oil being purified
单选题Gas exchange, which is a basic part of the cycle of an internal combustion engine, is（）Athe supply of normal air and removal of compressed airBthe supply of fuel oil and combustion of the atomized oilCthe supply of fresh air and removal of exhaust gasesDthe supply of fresh air and removal of the extra heat
单选题An after-cooler installed between the turbocharger and the cylinder air inlet （）Aincreases the density of the airBdecrease the density of the airCincreases the specific heat of the airDdecreases the specific heat of the exhaust
单选题The operating speed of a turbocharger is directly dependent upon（）Aengine speedBengine loadCintake manifold pressureDatmospheric pressure
单选题With respect to diesel fuel, the ease with which a cold engine will start is dependent upon the（）Aignition quality of the fuelBhigh heating value of the fuelCamount of carbon residue after combustionDinternal flow resistance in the injectors
单选题Which of the following components channels air flow through a server chassis？（）A FanB Heat sinkC ShroudD Radiator
单选题The latent heat of water vapor in air is dependent upon the （）Adry bulb temperatureBwet bulb temperatureCdew pointDdry point
单选题Which of the following passive cooling methods BEST dissipates a component’s heat?（）AHeatsinkBFanCLiquid coolingDCompressed air
单选题The effective temperature of air is dependent upon（） Ⅰ.relative humidity Ⅱ.air velocityAⅠonlyBⅡonlyCBoth Ⅰand ⅡDNeitherⅠnor Ⅱ