停堆冷却系统 shutdown cooling system
停堆冷却系统 shutdown cooling system
相关考题：
What is head tank in the closed cooling water system used for?A.for the release of air from the cooling waterB.providing expansion room for heated cooling waterC.a place for implementing water and water treatment agentD.all of the above
Low compressor head pressure in a refrigeration system can be caused by ___.A.insufficient condenser cooling waterB.excessive condenser cooling waterC.air in the refrigeration systemD.excessive refrigerant in the system
Which of the following can an operator use to shutdown a system into single－user mode?() A.shutdown -dB.shutdown -sC.shutdown -mD.shutdown -Fr -s 1
High diesel engine cooling water temperatures can be caused by ______.A.air in the cooling systemB.an overhauled water pumpC.correct amount of coolantD.no air in the cooling system
Why is it necessary to have routine testing of the cooling water?A.To ensure that the proper residuals of treatment chemicals, as specified, are maintained all timeB.To trace leakage in the cooling water systemC.It is not necessaryD.To detect the presence of contaminants in the water that may be injurious to the cooling system
A customer wants to install a pSeries system into an OEM rack. What critical information is provided in the Site and Hardware Planning Information manual？（）A、System dimensions and weight， system power and cooling requirements， and list of supported OEM racksB、System dimensions and weight， list of supported OEM racks， and requirements for installing IBM systems into OEM racksC、System performance specs， system power and cooling requirements， and requirements for installing IBM systems into OEM racksD、System dimensions and weight， system power and cooling requirements， and requirements for installingIBM systems into OEM racks
核岛的核蒸汽供应系统有（）。A、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、安全注射系统（又称紧急堆芯冷却系统）、控制、保护和检测系统；B、设备冷却水系统、硼回收系统、反应堆的安全壳及喷淋系统、核燃料的装换料及贮存系统、安全壳及核辅助厂房通风和过滤系统、柴油发电机组；C、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、设备冷却水系统、反应堆的安全壳及喷淋系统；D、核燃料的装换料及贮存系统、安全壳及核辅助厂房通风和过滤系统、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、安全注射系统（又称紧急堆芯冷却系统）。
Which of the following accurately describes the meaning of redundant cooling？（）A、The source of cooling to a RAID systemB、The cooling system in a redundant power supplyC、A cooling system that can be installed in case of failureD、A second cooling system in case of a failure
Which of the following can an operator use to shutdown a system into single-user mode?（）A、shutdown -dB、shutdown -sC、shutdown -mD、shutdown -Fr -s 1
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The cooling system（） needs least maintenance work for in this kind of system（）Aopen；the minimum componentsBopen；the high cooling efficiencyCcentral；there are more coolers and a extra set of pumpsDcentral；there is only one component contacts seawater
单选题A customer wants to install a pSeries system into an OEM rack. What critical information is provided in the Site and Hardware Planning Information manual？（）ASystem dimensions and weight， system power and cooling requirements， and list of supported OEM racksBSystem dimensions and weight， list of supported OEM racks， and requirements for installing IBM systems into OEM racksCSystem performance specs， system power and cooling requirements， and requirements for installing IBM systems into OEM racksDSystem dimensions and weight， system power and cooling requirements， and requirements for installingIBM systems into OEM racks
单选题Where is the cooling water from the compensating tank in the cooling water system of main engine lead to?（）Adischarge side of the centrifugal pumpBsuction side of the centrifugal pumpCthe lowest point of the cooling water systemDinlet of the main engine
单选题High diesel engine cooling water temperatures can be caused by （）.Aair in the cooling systemBan overhauled water pumpCcorrect amount of coolantDno air in the cooling system
单选题In a closed cooling system for a turbocharged, four-stroke/cycle diesel engine, fluctuating water pressure can be caused by （）Aimproper venting of the cooling systemBcarrying the expansion tank water level too highCa totally clogged impeller in the cooling water pumpDan incorrectly set cooling system temperature control
单选题Which of the following accurately describes the meaning of redundant cooling？（）AThe source of cooling to a RAID systemBThe cooling system in a redundant power supplyCA cooling system that can be installed in case of failureDA second cooling system in case of a failure
单选题A separate piston cooling system is used to limit any contamination （） piston cooling glands（） the piston cooling system only.Abetween；toBeither；orCfrom；toDneither；nor
单选题As an alternative to the conventional seawater cooling system, is based on principles about cooler locations, （）flow control and preheating, but with a central cooler and one additional set of pumps（）.Athe central cooling system, differentBthe central cooling system, the sameCthe open cooling system, differentDthe open cooling system, the same
单选题Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）ADefective temperature controls in the systemBCavitation in the cooling water pumpCOpened vent in the cooling systemDRestricted water passages in the engine
单选题Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.Acooling water pumpBnozzle cooling passagesCcylinder jacketsDheat exchanger
单选题In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）Acooling water of the cooling systemBfuel of the FO systemCLO of the LO systemDcooling water of the cooling system and LO of the LO system