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%) ?

Related Mcqs:

Hastelloy C is a good material of construction in chemical process industry, since it is ___________________?

A. Highly corrosion resistant and is readily fabricated B. Relatively inexpensive although it can be fabricated with some difficulty C. Corrosion resistant to most alkalis, particularly because of its copper content D. Light and resists attack by acids...

How many atoms are there per unit cell in a body centred cubic lattice system ?

A. 6 B. 5 C. 3 D. 2...

Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?

A. 0.02 B. 0.2 C. 0.35 D. 0.5...

Addition of nickel to copper improves its_________________?

A. Machinability B. Ductility C. Strength D. Hardness...

The softest material in Mho’s scale (for measuring hardness) is________________?

A. Talc B. Gypsum C. Rubber D. None of these...