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 electrical properties listed will always be the same for each component in a parallel circuit?（）
A
Impedance
B
Current
C
Resistance
D
Voltage
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which of the electrical properties listed will always be the same for each component in a parallel circuit?（）A ImpedanceB CurrentC ResistanceD Voltage” 相关考题
考题
You are the administrator of several SQL Server 2000 computers. A data Transformation Services (DTS) package uses native OLE DB providers to transfer data between the servers. Connection details for the servers are specified in .udl files. The .udl files are frequently updated as connection details change.You want to distribute the DTS package as a file to developers in your company. You want to make sure connection details are available to developers who receive the DTS package.Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two)A．Enable the Always read properties from UDL file option in the Connection Properties dialog box.B．Disable the Always read properties from UDL file option in the Connection Properties dialog box.C．Delete the .udl files and store connection details in the registry by using system data source names.D．Delete the .udl files, and store connection details in the registry by using user data source names.E．Make the .udl files available on a network share.
考题
Which of the units listed is used to combust waste in the engine room?A.BoilerB.IncineratorC.Generator
考题
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?A.east； eastB.east； westC.west； westD.west； east
考题
Which of the listed devices is used to measure pressure and convert it to an electrical signal?A.TransducerB.ReducerC.TransformerD.Rectifier
考题
Loran-C is which type of system ________．A.Reflected electronB.Electrical radiationC.Quarterpoint electrical navigationD.Hyperbolic radio navigation
考题
mary would like to display a collapsed section on her video catalog form, she has created a section buy when she display the form in the client the section always opens expanded. which one of the following should mary do to collapse the section?（）A、 nothing. Sections always open expanded B、 modify the section default properties to collapsed C、 modify the form propenties to display all sections collapsed D、 modify the section opened for reading property to auto-collapse
考题
单选题mary would like to display a collapsed section on her video catalog form, she has created a section buy when she display the form in the client the section always opens expanded. which one of the following should mary do to collapse the section?（）A
nothing. Sections always open expanded B
modify the section default properties to collapsed C
modify the form propenties to display all sections collapsed D
modify the section opened for reading property to auto-collapse
考题
单选题Which of the listed pumps is NOT a positive displacement pump?（）A
CentrifugalB
ReciprocatingC
GearD
Rotary
考题
单选题Which of the listed devices is used to measure pressure and convert it to an electrical signal?（）A
TransducerB
ReducerC
TransformerD
Rectifier
考题
单选题If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）A
Dry chemicalB
HalonC
Low velocity fogD
Steam
考题
单选题Which of the listed classes of fire is considered as one involving electrical equipment?（）A
Class AB
Class BC
Class CD
Class D
考题
单选题Which of the statements listed concerning heat transfer is correct?（）A
Heat is always transferred at a constant rateB
Heat transfer rate increases as temperature difference increasesC
The rate of heat transfer is not affected by temperature differenceD
The high temperature region is known as a heat sink
考题
单选题A switchboard, for a AC electrical distribution system, will be provided with which of the following components （）.A
Frequency meterB
AmmeterC
VoltmeterD
All of the above
考题
单选题Electrical failures in motors are caused by the breakdown of insulation, which may be caused by （）A
penetration of moistureB
accumulation of dirtC
overheatingD
All of the above
考题
单选题If ignited, which of the listed materials would be a class "B" fire?（）A
MagnesiumB
PaperC
WoodD
Diesel Oil
考题
单选题Which of the terms listed below represents the operational speed at which excessive engine vibration is created?（）A
Non-harmonic speedB
Critical speedC
Maximum speedD
Design maximum speed
考题
单选题Which of the listed statements is correct concerning the starting of centrifugal pumps?（）A
They should always be started with the discharge valve closedB
They should always be started with the discharge valve openedC
A priming pump is always required to flood the impeller suctionD
They should always be started with the sealing line valves closed
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
多选题Your wireless network is not listed in the Connect to a network window of your computer. You need to connect to your wireless network. Which two actions should you perform？（）ARight-click and click the Diagnose option in the Connect to a network window.BSet the security type value to No authentication in the wireless network properties dialog box.CClick the Manually connect to a wireless network option in the Set up a connection or network window.DIn the Wireless Network properties dialog box， click the Connect even if the network is not broadcasting option.EConfigure the correct IP address， subnet mask， and default gateway for the target network in the wireless network connection properties dialog box.
考题
单选题Which of the motors for the devices listed below is fitted with an instantaneous overload relay?（）A
FanB
PumpC
WinchD
Machine tool
考题
单选题Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?（）A
CO2B
ABC dry chemicalC
CO2 propelled foamD
All of the above
考题
单选题Which of the general advantages listed does the electrical pyrometer have over the mechanical pyrometer?（）A
When heated, it will move proportional to the amount the metal has lengthened or expandedB
The pointer associated with the pyrometer scale can be made to also measure engine RPMC
It can be utilized in exhaust manifolds and heat exchangers interchangeablyD
It can indicate temperature at a distant point from the source heat
热门标签
最新试卷