For melting one tonne of cast iron-A-700 m3 air is requiredB-20 kg limestone is requiredC-one quintal coke is requiredD-all the above.-D-all the above.

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APTITUDE CRACK · Accepted Answer

D all the above. 1 quintel = 100 basic units.

Building Materials - Engineering

For melting one tonne of cast iron

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Building Materials - Engineering

For melting one tonne of cast iron

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