Materials and Construction
Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

Chromium steel
Silicon steel
None of these
Molybdenum steel

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Materials and Construction
Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V.

Having poor toughness
Not helpful in producing cleaner steel due to oxidising action of vanadium
Having poor fatigue resistance
Used for making axle & shafts of aeroplanes, automobiles and locomotives

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