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Large Power Transformers and the US Electric Grid


Quiz Questions

1. What does LPT stand for?
Live Power Transformer
Long Power Transformer
Large Power Transformer
None of the above
2. LPTs are special-ordered machineries that require highly skilled workforces and state-of-the-art manufacturing equipment and facilities.
True
False
3. Two key raw materials ___________ and ____________ are vital to LPT manufacturing.
Aluminum and electrical steel
Copper and electrical steel
Copper and aluminum
None of the above
4. Which country is the largest rising market for power transformers in both manufacturing capacity and demand, and whose market conditions undoubtedly affect those of the world?
China
Japan
India
None of the above.
5. The size of a power transformer is determined by__________________.
the primary (input) voltage
the secondary (output) voltage
the load capacity measured by MVA
All of the above
6. Weight of an LPT may be approximately between_____________________.
200 and 500 tons
100 and 200 tons
100 and 400 tons
100 and 600 tons
7. According to recent industry analyses, the global power transformer market grew at a compound annual growth rate (CAGR) of about ________ from 2000 to 2009.
10 %
23 %
30 %
13 %
8. China’s transformer market is dominated by ____________________.
500 kV transformers and below
220 kV transformers and below
110 kV transformers and below
None of the above
9. EHV stands for______________.
Easy High Voltage
Efficient High Voltage
Embedded High Voltage
Extra High Voltage
10. China was the largest exporter of electrical steel of the total global export in the year 2012.
True
False
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