Q.Thermal conductivity of cutting tool must be
Ans - High
Q. Hot hardness of cutting of cutting tool should be
Ans - Large
Q. By increasing cutting speed, amount of heat generated
Ans - Increases
What is the percentage of chromium in high speed steel?
Ans - 4
Q. What is the percentage of vanadium in high speed steel?
Ans - 1
Q. Presence of Chromium in T-series steel imparts
Ans - Corrosion resistance
Q. Which of the following element is responsible for providing red hot hardness property to T-series high speed steel?
Ans - W
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