At a ( ) fault of the<br/>system, the non-fault phase voltage will increase with the<br/>zero-sequence impedance. A: three-phase fault B: double line-to-ground fault C: line-to-line fault D: single line-to-ground fault
At a ( ) fault of the<br/>system, the non-fault phase voltage will increase with the<br/>zero-sequence impedance. A: three-phase fault B: double line-to-ground fault C: line-to-line fault D: single line-to-ground fault
For a neutral-unearthing system, during a bolted single line-to-ground fault, the non-fault phase voltage and the fault phase voltage are ()respectively. A: phase voltage and zero B: phase voltage and line-to-line voltage C: line-to-line voltage and phase voltage D: line-to-line voltage and zero
For a neutral-unearthing system, during a bolted single line-to-ground fault, the non-fault phase voltage and the fault phase voltage are ()respectively. A: phase voltage and zero B: phase voltage and line-to-line voltage C: line-to-line voltage and phase voltage D: line-to-line voltage and zero
(19) What is the kind of fault that the fault growth index is used for?<br/>___ A: normal<br/>fault B: reverse fault C: strike-slip<br/>fault D: growth<br/>fault
(19) What is the kind of fault that the fault growth index is used for?<br/>___ A: normal<br/>fault B: reverse fault C: strike-slip<br/>fault D: growth<br/>fault
The New Madrid fault is______. A: a horizontal fault B: a vertical fault C: a more serious fault than the San Andreas fault D: responsible for forming the Mississippi River
The New Madrid fault is______. A: a horizontal fault B: a vertical fault C: a more serious fault than the San Andreas fault D: responsible for forming the Mississippi River
对于下面问句回答正确的是: A: Non,iln’aimeparlerpasfrançais. B: Non,iln’aimepasparlefrançais. C: Non,ilAimeneparlerpasfrançais. D: Non,iln’aimepasparlerfrançais.
对于下面问句回答正确的是: A: Non,iln’aimeparlerpasfrançais. B: Non,iln’aimepasparlefrançais. C: Non,ilAimeneparlerpasfrançais. D: Non,iln’aimepasparlerfrançais.
The angle between the working face and the fault line is small, the exposed area of the fault zone is large, and the fault passing time is .
The angle between the working face and the fault line is small, the exposed area of the fault zone is large, and the fault passing time is .
When the working face passes through the fault, the angle between the working face and the fault line is large, the exposed area of the fault zone is small, and the time of passing through the fault is long.
When the working face passes through the fault, the angle between the working face and the fault line is large, the exposed area of the fault zone is small, and the time of passing through the fault is long.
In the fault basin, the fault block belongs to the third-order structural unit.
In the fault basin, the fault block belongs to the third-order structural unit.
3 Her only fault is that she is lazy.Her only fault is ..................................
3 Her only fault is that she is lazy.Her only fault is ..................................
When the largest fault current occur after short fault () A: at the beginning time of the fault B: half cycle C: one cycle
When the largest fault current occur after short fault () A: at the beginning time of the fault B: half cycle C: one cycle