Chemical Engineering - Chemical Engineering Basics

__________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

Heat dissipation in cooling towers is mainly by

In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases