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单选题 三相四线电能计量装置C相电流,是( ). Phase C current of three-phase four wire electric energy metering device is ( )

A. 从接线盒的左侧孔流入接线盒,右侧孔流出接线盒. The left hole of the junction box flows into the junction box and the right hole flows out of the junction box

B. 从接线盒的左侧孔流出接线盒,右侧孔流入接线盒. The left hole of the junction box flows out of the junction box and the right hole flows into the junction box

C. 从接线盒的中间孔流出接线盒,右侧孔流入接线盒. The middle hole of the junction box flows out of the junction box and the right hole flows into the junction box

D. 从接线盒的左侧孔流出接线盒,中间孔流入接线盒. The left hole of the junction box flows out of the junction box and the middle hole flows into the junction box

学科：电能计量（第5期）（装表接电）Electric energy metering

时间：2023-05-25 05:54:15

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题目1
单选题
低压三相四线电能计量装置,2号孔与10号孔之间的电压是( )伏. For low-voltage three-phase four wire electric energy metering device, the voltage between hole 2 and hole 10 is ( ) V
A. 57.7B. 100C. 220D. 380
题目2
单选题
低压三相四线电能计量装置,5号孔与8号孔之间的电压是( )伏. For low-voltage three-phase four wire electric energy metering device, the voltage between hole 5 and hole 8 is ( ) V
A. 57.7B. 100C. 220D. 380
题目3
单选题
高压三相三线电能计量装置,2号孔与5号孔之间电压是( )V. For high-voltage three-phase three wire electric energy metering device, the voltage between hole 2 and hole 5 is ( ) V
A. 57.7B. 100C. 0.4千D. 10千
题目4
单选题
三相四线电能计量装置C相电流,是( ). Phase C current of three-phase four wire electric energy metering device is ( )
A. 从接线盒的左侧孔流入接线盒,右侧孔流出接线盒. The left hole of the junction box flows into the junction box and the right hole flows out of the junction boxB. 从接线盒的左侧孔流出接线盒,右侧孔流入接线盒. The left hole of the junction box flows out of the junction box and the right hole flows into the junction boxC. 从接线盒的中间孔流出接线盒,右侧孔流入接线盒. The middle hole of the junction box flows out of the junction box and the right hole flows into the junction boxD. 从接线盒的左侧孔流出接线盒,中间孔流入接线盒. The left hole of the junction box flows out of the junction box and the middle hole flows into the junction box
题目5
单选题
正常情况下,接线盒中电流回路的连接片,( ). Under normal conditions, the connector of the current circuit in the junction box, ( )
A. 上连接片处于连接状态,下连接片处于断开状态 The upper connector is connected, and the lower connector is disconnectedB. 上连接片处于断开状态,下连接片处于连接状态 The upper connector is disconnected and the lower connector is connectedC. 上连接片处于连接状态,下连接片也处于连接状态D. 上连接片处于断开状态,下连接片也处于断开状态 The upper connector is connected, and the lower connector is also connected
题目6
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A. 零线、B相电压线和电流线 Zero line, phase B voltage line and current lineB. 零线和B相电压线 Zero line and B phase voltage lineC. 零线和B相电流线 Zero line and B phase current lineD. B相电流线和电压线 B phase current line and voltage line
题目7
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A. 0.15mB. 0.35mC. 0.5mD. 0.7m
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不属于无线公网信道的是( ). The one that does not belong to the wireless public network channel is ( )
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题目9
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题目10
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