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A steel drill rod that is 10 mm in diameter and 20 cm long is being...

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Mechanical Engineering

A steel drill rod that is 10 mm in diameter and 20 cm long isbeing heat treated in an oil bath. The 1050°C rod is quenched andheld at 700°C and then quenched a second time to 30°C. Calculatethe quantities of heat that must be removed at the two quenchingstages. Weight density of steel as ρw = 76 kN/m3 , The specificheat of steel is c= 0.50 kJ/(kg . ºC).

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