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【单选题】
The rated voltage of the secondary side of the three-phase transformer refers to ()the voltage of the secondary side when the rated voltage is added to the original side.
A.
Line voltage at no load
B.
Phase voltage at no load
C.
Line voltage at rated load
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The oil storage tank of the transformer is located above the transformer oil tank and is communicated with the oil tank through ().
A.
Cooling device
B.
Gas relay
C.
Moisture absorption device
【单选题】The estimated quantity of dinosaurs underground here is over ______ .
A.
100
B.
400
C.
800
D.
1000
【单选题】下列耳部CT检查参数,最合适的是()
A.
120KV 300mAs 螺旋扫描 层厚0.5mm.
B.
120KV 300mAs 螺旋扫描 层厚2mm.
C.
120KV 300mAs 容积扫描 层厚3mm.
D.
120KV 300mAs 螺旋扫描 层厚1mm.
E.
120KV 300mAs 容积扫描 层厚0.5mm.
【单选题】Transformer () without load, the voltage regulation when the primary side is disconnected from the power grid is called non-excitation voltage regulation.
A.
Secondary side
B.
The primary side
C.
High side
【单选题】What does the logo of the Dinosaur Valley mean?
A.
Dinasours have become extincted.
B.
Dinosaur fossils are valuable.
C.
Dinasaurs used to control the globe.
D.
Dinosaurs were over-sized creatures
【单选题】Transformers can be divided into power transformers, instrument transformers and () according to their uses.
A.
General transformer
B.
Booster transformer
C.
Special type transformer
【多选题】The ______ in______ County is a real Jurassic Park in Yunnan.
A.
Dinasour Valley
B.
Yuanmou
C.
Luliang
D.
Lufeng