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        | Engineering  :: Foundry Technology |  | 
       
        
	 
	
	 
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                |  | Generally for the melting of cast iron, electric furnaces are not used because |  
                | | [A]. | cast iron is in the form of broken pieces | [B]. | cast iron requires higher temperature for heating |  | [C]. | the rate of heating required for melting cast iron connot be provided by electric furnaces | [D]. | It is expensive to use electricity for melting of cast iron | 
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