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GATE Mechanical Engineering (ME) 2019 Shift 2 Solved Paper

Question : 19

Total: 65

Hardenability of steel is a measure of

the ability to harden when it is cold worked
the maximum hardness that can be obtained when it is austenitized and then quenched
the ability to retain its hardness when it is heated to elevated temperatures
the depth to which required hardening is obtained when it is austenitized and then quenched

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