Question

42 ) What is the composition of steel and silicon steel in
transformer core?
A ) Steel 97% and Silicon 3%
B ) Steel 95% and Silicon 5%
O
C) Steel 93% and Silicon 7%
O
D) Steel 90% and Silicon 10%​

Answer 1

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C) Steel 93% and Silicon 7%.

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Answer 2

The composition of steel is 93% and silicon is 7% in transformer core.

• A transformer's core is built of silicon steel.
• Magnetic flux can be carried by this iron core.
• The term "permeability" refers to a quality of that magnetic substance. contemporary steel materials used in the core design, which has permeability in the range of 1500 as opposed to for air, 1.0.
• This implies that a steel core's capacity to carry 1500 times more magnetic flux exists than in air.
• Given that nearly all steel requires silicon throughout the manufacturing process, silicon is perhaps the most frequent alloying ingredient in steel. By deoxidizing the iron ore and removing other impurities from it, silicon aids in the iron ore's purification throughout the smelting process.

Hence, the correct option is C.

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