网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Which of the listed refrigeration system components keeps the refrigerant circulating through the system?（）
A
Expansion valve
B
Condenser
C
Evaporator
D
Compressor
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which of the listed refrigeration system components keeps the refrigerant circulating through the system?（）A Expansion valveB CondenserC EvaporatorD Compressor” 相关考题
考题
The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.A．waterfall modelB．workflow reference modelC．evolutionary modelD．spiral model
考题
(ii) Briefly explain the extent to which the application of sensitivity analysis might be useful in decidingwhich refrigeration system to purchase and discuss the limitations inherent in its use. (3 marks)
考题
Which two statements are true about the use of the procedures listed in the vsysaux_occupants.move_procedure column?()
A. The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace.B. The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace.C. All the components may be moved into SYSAUX tablespace.D. All the components may be moved from the SYSAUX tablespace.
考题
Which of the conditions listed will cause a refrigeration compressor to run constantly without simultaneously decreasing the temperature in the refrigerated space?( )A.Shortage of refrigerant oilB.Slight shortage of refrigerantC.Excessive condenser cooling water flowD.Faulty expansion valve
考题
The ____ is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarizeD．The workflow enactment service is the heart of a workflow system which consists of several ____. In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a ____, which consists of ____ indicated using a circle, and __请作答该选项__ shown as a rectangle. These two components can be linked by means of a directed arC．A.trasitions
B.transformations
C.transmitters
D.changes
考题
Which three service components are in the operate phase？（）A、System MonitoringB、Operations ImplementationC、Incident and Problem ManagementD、Change ManagementE、Operations PlanF、Project Close Out
考题
Which service components develops a plan that identifies the necessary steps to move from an existing system to the Cisco Unified Communications system（）A、Migration Plan DevelopmentB、Detailed Design DevelopmentC、Staging Plan DevelopmentD、Implementation Plan Development
考题
Which three service components belong to the operate phase（）A、Change ManagementB、Operations ImplementationC、System monitoringD、Incident ManagementE、Operations Assessment
考题
The (1) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several (2).
空白（1）处填（）A、waterfallmodelB、workflowreferencemodelC、evolutionarymodelD、spiralmodel
考题
A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?（）A、BOOT.INI file is configured incorrectlyB、Corrupt MBRC、Boot sector virusD、System file is missing components
考题
单选题Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）A
ImpellerB
CompressorC
After-coolerD
Exhaust differ
考题
单选题Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?（）A
SimplexB
DuplexC
CanisterD
Bypass
考题
单选题Which of the conditions listed will cause a refrigeration compressor to run constantly without simultaneously decreasing the temperature in the refrigerated space?（）A
Shortage of refrigerant oilB
Slight shortage of refrigerantC
Excessive condenser cooling water flowD
Faulty expansion valve
考题
单选题Which of the engine components listed increases air charge density and helps to improve engine operating efficiency?（）A
Intake manifoldB
Water-cooled exhaust systemC
After-coolerD
Exhaust diffuser
考题
单选题Which of the listed operations will cause an automatically controlled refrigeration compressor to restart?（）A
Closing of the solenoid valveB
Closing of the expansion valveC
An increase in the suction pressureD
Decreasing the suction pressure
考题
单选题In which of the listed refrigeration system components does superheating of the refrigerant take place?（）A
Expansion valveB
EvaporatorC
DrierD
Receiver
考题
单选题Which of the following statements is correct concerning a typical shipboard multi-coil refrigeration system?（）A
The liquid receiver functions to collect and remove non-condensable gasesB
A thermostatic expansion valve is used to control refrigerated space temperatureC
Refrigerant temperature in an evaporator is directly related to refrigerant pressureD
Dehydrators must be used continuously in a refrigeration system
考题
单选题Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）A
Sub-cooled liquidB
Sub-cooled vaporC
Superheated vaporD
Liquid
考题
单选题The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several（2）.
空白（2）处应选择（）A
workflow enginesB
processesC
workflow threadsD
tasks
考题
单选题Which of the following components is part of the ink dispersion system？（）A
Print HeadsB
Cleaning headsC
Pickup RollerD
Charge Assembly
考题
单选题Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）A
AtomizationB
MeteringC
Effective strokeD
Penetration
考题
单选题Which of the listed statements is correct concerning refrigeration systems?（）A
Dehydrators must be used continuously in a refrigeration systemB
A 25 ton refrigeration system has the same cooling effect as melting 25 tons of ice in 24 hoursC
A thermostatic expansion valve is used to control refrigerated space temperatureD
The liquid receiver functions to collect and remove non- condensable gases
考题
单选题Which of the devices listed, when used on an electro-hydraulic steering gear, keeps the movement of the redder closely in step with the steering wheel?（）A
The follow-up gearB
The rudder angle indicatorC
The synchronous electric transmitterD
A rudder angle limit switch
考题
单选题The (1) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several (2).
空白（2）处填（）A
workflow enginesB
processesC
workflow threadsD
tasks
考题
单选题Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）A
The condenser and the expansion valveB
The king valve and the solenoid valveC
The compressor and the expansion valveD
The condenser and the solenoid valve
考题
单选题Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）A
Thermal expansion valve frozen openB
Suction gas heat exchanger bypassedC
Condenser clogged or fouledD
High pressure cutout switch inoperative
考题
单选题Which of the listed devices would be installed at a control system air pressure reducing station?（）A
Moisture separatorB
Vacuum breakerC
LubricatorD
Non-return valve
热门标签
最新试卷