单选题Moisture is removed from a refrigeration system by（）.Ableeding refrigerant from the condenserBopening a drain petcock on the oil separatorCcondensing the water in the heat exchangerDusing a dehydrator cartridge
单选题
Moisture is removed from a refrigeration system by（）.
A
bleeding refrigerant from the condenser
B
opening a drain petcock on the oil separator
C
condensing the water in the heat exchanger
D
using a dehydrator cartridge
参考解析
解析：
暂无解析
相关考题：
Moisture is removed from a refrigeration system byA.bleeding refrigerant from the condenserB.opening a drain petcock on the oil separatorC.condensing the water in the heat exchangerD.using a dehydrator cartridge
Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid line If excess moisture is present in the system, the indicator willA.activate the driersB.change colorC.secure the compressorD.add a predetermined amount of liquid drier
In a three-disk volume group, a disk was physically removed from the system without performing any software procedures to properly remove the disk. Which of the following commands should be performed to recover from this error?（）A.extendvgB.cfgmgrC.reducevgD.varyoffvg
In an air conditioning system, moisture is removed from the air by ______.A.filtersB.separatorsC.ducted trapsD.dehumidifiers
The wooden plug inserted in the vent of a damaged tank should be removed if you are going to ______.A.pump from the damaged tankB.fight a fireC.abandon shipD.use the crossover system
A user selects their proper domain and is unable to log into their Windows computer.The error states：‘System cannot log you on to the domain because the system’s computer account in its primary domain is missing or the password on that account is incorrect’.Which of the following is the MOST likely cause for this error？（）A、The computer’s account was removed from Active Directory.B、The user’s account was removed from Active Directory.C、The computer was disjoined from the domain.D、The user typed in the wrong password.
In a three-disk volume group, a disk was physically removed from the system without performing any software procedures to properly remove the disk. Which of the following commands should be performed to recover from this error?（）A、extendvgB、cfgmgrC、reducevgD、varyoffvg
单选题Low compressor head pressure in a refrigeration system can be caused by（）.Ainsufficient condenser cooling waterBexcessive condenser cooling waterCair in the refrigeration systemDexcessive refrigerant in the system
单选题A refrigeration system contaminated with moisture can be affected by （）.Aacid formationBsludge formationCice in the expansion valveDAll of the above
单选题Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）Aactivate the driersBchange colorCsecure the compressorDadd a predetermined amount of liquid drier
单选题The heat removed from the refrigerant in the condenser of a refrigeration plant is the （）Alatent heat of expansionBsensible heat of condensationCheat of compressionDall of the above
单选题The function of （） in a refrigeration plant using Freon is to move moisture from all refrigeration system.AfilterBfilter drierCheat exchangerDair cooler
单选题Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?（）ALatent heat of vaporizationBHeat of compressionCSuperheatDAll of the above
单选题In an air conditioning system, moisture is removed from the air by（）AfilersBseparatorsCducted trapsDdehumidifiers
单选题Air or noncondensable gas is removed from a refrigeration system by a （）Aseparating chamberBsystem of bafflesCpurge valveDvacuum reducing valve
单选题A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flowThis means （）.Athe system is fully chargedBthere is air leaking in from the condenserCice crystals are forming in the refrigerantDthe system contains less than a full charge of refrigerant
单选题What separate the high pressure side from the low pressure side in a refrigeration system?（）ACondenser and thermal expansion valveBKing and solenoid valvesCCompressor and thermal expansion valveDCondenser and solenoid valve
单选题The purpose of the refrigeration system low pressure cutout switch is to （）Aprotect the compressor from liquid flood backBprotect the compressor from low discharge pressureCstart and stop the compressor upon system demandDstart the compressor after a drop in the evaporator pressure
单选题Moisture in a refrigeration system can cause （）.Afreezing the expansion valve closedBcorrosion of system pipingCimproper temperature regulationDall of the above
单选题A user selects their proper domain and is unable to log into their Windows computer.The error states：‘System cannot log you on to the domain because the system’s computer account in its primary domain is missing or the password on that account is incorrect’.Which of the following is the MOST likely cause for this error？（）AThe computer’s account was removed from Active Directory.BThe user’s account was removed from Active Directory.CThe computer was disjoined from the domain.DThe user typed in the wrong password.
单选题While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding back from the evaporator is determined to be the causeIt may be necessary to （）.Achange the expansion valve adjustmentBreadjust the water regulating valve to increase the flow of waterCpurge air from the condenserDclean the waterside of the condenser
单选题A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）Apurge lube oil from the liquid refrigerantBrecover water purged from the systemCseparate foul gases from the receiverDpurge non-condensable gases without losing refrigerant
单选题The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.Apump from the damaged tankBfight a fireCabandon shipDuse the crossover system
单选题The low pressure side of a refrigeration system is considered to exist from the （）.Aexpansion valve to the compressorBreceiver to the expansion coilCexpansion valve to the evaporatorDcondenser to the expansion valve
单选题If you change from a low pour point lubricant to a high pour point lubricant in a refrigeration system, （）.Acompressor lubrication will be improvedBoil will not leave the crankcaseCcompressor valves will be damagedDoil may congeal in the evaporator
单选题The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.Apump from the damaged tankBfight a fireCabandon the rigDuse the crossover system
单选题The presence of bubbles in a refrigeration system liquid line may （）.Apromote refrigerant dehydrationBbe absorbed in the receiverCcause low condensing pressureDcarry moisture and lead to corrosion