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【单选题】
The current of the high voltage winding of the transformer is certain () the current of the low voltage winding.
A.
Is greater than
B.
Is equal to the
C.
Less than
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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】What does the word “dinosaur” literally mean in Latin ?
A.
horrible
B.
reptile
C.
lizard
D.
the horrible lizard
【单选题】When the transformer is in no-load operation, if the other is unchanged, is reduced, the sub-voltage ().
A.
The same
B.
increase
C.
To reduce
【单选题】关于眼眶CT检查技术下列哪项说法是正确的()
A.
增强扫描多用于可疑视神经管骨折
B.
怀疑眼球肿瘤的患者采用眼眶CT平扫
C.
对于血管性病变,可以是动脉跟静脉双期扫描
D.
眼眶CT增强扫描动脉期一般是60秒
E.
眼眶CT增强扫描静脉期一般是90秒
【单选题】Three-phase transformer ratio refers to the ratio of ().
A.
Primary and secondary phase potentials
B.
Primary and secondary sideline potentials
C.
Primary and secondary sideline voltage
【单选题】The meaning of a power transformer model SFPL-63000/110 is ().
A.
The rated voltage of high voltage side is 63000kV, and the rated voltage of low voltage side is 110kV;
B.
The rated capacity of the high pressure side is 63000kVA, and the rated capacity of the low pressure side is 110kVA;
C.
Rated capacity 63000kVA, high voltage side rated voltage 110kV;
D.
The rated capacity is 63000kVA and the rated voltage on the low-voltage side is 110kV.