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
Inductance is the property of an electric circuit that （）
A
opposes any change in the applied voltage
B
opposes any change in the current flow through the circuit
C
aids any changes in the applied voltage
D
aids any changes in the current through the circuit
参考答案
参考解析
解析：
暂无解析
更多 “单选题Inductance is the property of an electric circuit that （）A opposes any change in the applied voltageB opposes any change in the current flow through the circuitC aids any changes in the applied voltageD aids any changes in the current through the circuit” 相关考题
考题
In order to cut down on the carbon emission, more people choose to travel＿．A．by electric car, bicycle or planeB．by private car, bicycle or busC．by bus, electric car or planeD．by bicycle, bus or electric car
考题
You are creating a Windows Communication Foundation (WCF) service that accepts messages from clients when they are started. The message is defined as follows:[MessageContract] public class Agent {
A. Add a MessageBodyMember attribute to the CodeName property and set the ProtectionLevel to Sign. Add a MessageBodyMember attribute to the SecretHandshake property and set the ProtectionLevel to EncryptAndSign.B. Add a DataProtectionPermission attribute to the each property and set the ProtectData property to true.C. Add an xmlText attribute to the CodeName property and set the DataType property to Signed. Add a PasswordPropertyText attribute to the SecretHandshake property and set its value to true.D. Add an ImmutableObject attribute to the CodeName property and set its value property to true. Add a Browsable attribute to the SecretHandshake property and set its value to false.
考题
A circuit breaker and a fuse have a basic similarity(类似) in that they both ______.A.can be reset to energize the circuitB.should open the circuit when overloadedC.will burn out when an over current flow developsD.should short the circuit when overloaded
考题
A circuit breaker and a fuse have a basic similarity in that they both______.A.can be reset to energize the circuitB.should open the circuit when overloadedC.will burn out when an over current flow developsD.should short the circuit when overloaded
考题
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor ______．A.when the line pull reaches the rated winch capacityB.after the line pull exceeds the rated winch capacityC.after a short build-up of torqueD.immediately
考题
On an ONS 15454 node you can tunnel a（n） （）.A、 SDH circuit over a SONET network delivering it as an SDH signalB、 SDH circuit over a SONET network delivering it as a SONET signalC、 SONET circuit over an SDH network delivering it as an SDH signalD、 SONET circuit over an SDH network delivering it as a SONET signal
考题
Which of the following statements concerning intellectual property is wrong？（）A、Intellectual property is an intangible creationB、Intellectual property in ludes patents，trademarks，copyrights，etc.C、Intellectual property is a visible creationD、There are some agreement sconcerning intellectual property under the WTO
考题
transition-property属性语法格式正确的是（）。A、transition-property：name；B、transition-property：none；C、transition-property：widthheight；D、transition-property：all；
考题
On an ONS 15454 node you can tunnel an （）.A、SDH circuit over a SONET network delivering it as an SDH signalB、SDH circuit over a SONET network delivering it as a SONET signalC、SONET circuit over an SDH network delivering it as an SDH signalD、SONET circuit over an SDH network delivering it as a SONET signal
考题
You have a custom button, with should have a Property "IsActive", one must be able to bind this Property on a class Property.（）A、Dependency PropertyB、INotifyPropertyChangedC、net Property
考题
单选题In a series circuit, which value will remain unchanged at all places in the circuit?（）A
VoltageB
CurrentC
ResistanceD
Inductance
考题
单选题Running an electric winch at slow speed over a long period of time causes（）.A
the speed to be retarded by the friction brakeB
a load to go downward at full speedC
the circuit breaker to turn offD
the resistors to overheat and eventually burn out
考题
单选题On an ONS 15454 node you can tunnel a（n） （）.A
SDH circuit over a SONET network delivering it as an SDH signalB
SDH circuit over a SONET network delivering it as a SONET signalC
SONET circuit over an SDH network delivering it as an SDH signalD
SONET circuit over an SDH network delivering it as a SONET signal
考题
单选题操作完后，关掉电动机。（）A
After operation, start the electric motor.B
Before operation, stop the electric motor.C
Before operation, start the electric motor.D
After operation, stop the electric motor.
考题
单选题Tools with （）handles should be used to check electric circuit.A
plasticB
metalC
stainless steelD
copper
考题
单选题Electric generators can be protected against overload（）.A
With switchesB
With a governor on the engineC
With fuses or circuit breakersD
By using heavy wire
考题
单选题Capacitance is the property of an electric circuit opposing a change in the （）A
current in the circuitB
voltage in the circuitC
inductance in the circuitD
resistance in the circuit
考题
单选题If the electric motor driving an air compressor fails to start, the cause may be a （）.A
leaking unloaderB
tripped circuit breakerC
control line leakD
defective pop valve
考题
单选题A circuit that has one wire in contact with the hull of the ship is a（）A
series circuitB
grounded circuitC
short circuitD
closed circuit
考题
单选题If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.A
when the line pull reaches the rated winch capacityB
after the line pull exceeds the rated winch capacityC
after a short build-up of torqueD
immediately
考题
单选题Which of the following statements concerning intellectual property is wrong？（）A
Intellectual property is an intangible creationB
Intellectual property in ludes patents，trademarks，copyrights，etc.C
Intellectual property is a visible creationD
There are some agreement sconcerning intellectual property under the WTO
考题
单选题Who was the most famous of all American inventors and invented electric lamp, phonograph, motion pictures and parallel circuit?A
John StevensB
Alexander Graham BellC
Thomas Alva EdisonD
John H. Hall
考题
单选题The purpose of a main switchboard circuit breakers reverse-power trip is to （）.A
prevent main circuit overloadB
protect the circuit breaker blowout coilC
prevent alternator motorizationD
prevent low voltage tripout
考题
单选题A circuit breaker differs from a fuse in that a circuit breaker （）.A
melts and must be replacedB
is enclosed in a tube of insulating material with metal ferrules at each endC
gives no visual indication of having opened the circuitD
trips to break the circuit and may be reset
考题
单选题What type of electric motor is most commonly used on board ship?（）A
non-synchronous electric motorB
synchronous electric motorC
fully enclosed electric motorD
watertight electric motor
考题
单选题You have a custom button, with should have a Property "IsActive", one must be able to bind this Property on a class Property.（）A
Dependency PropertyB
INotifyPropertyChangedC
net Property
考题
单选题A transformer in an electric circuit serves to （）A
generate its own electrical powerB
transform electrical energy into mechanical energyC
increase or decrease circuit voltage as requiredD
convert AC current to DC current
热门标签
最新试卷
