Materials & Construction Mcqs for Chemical

Q.  Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?

a. Armature of small motors/generators
b. Generators and small motors
c. Induction motors
d. High frequency transformers


ANSWER: See Answer
 
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