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Addition of _______________ to steel does not help in improving its machinability ?

August 19, 2021February 7, 2019 by admin

Addition of _______________ to steel does not help in improving its machinability ?

A. Sulphur
B. Silicon
C. Lead
D. Phosphorous

Categories Chemical Engineering Basics

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?

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