Hardened steel is softened by___________________?

Related Mcqs:

Condenser tubes are not made of_________________?

A. Cartridge brass B. Muntz brass C. Wood metal D. Aluminium brass alloy...

Caustic soda is transported in _____________ lined containers ?

A. Glass B. Nickel C. Neoprene D. Either B. or C....

Carbon content in steel is ___________________ percent?

A. 0.1-2 B. 4-6 C. 2-4 D. 0.001-0.01...

Carbon tetrachloride can be stored in a storage vessel made of________________?

A. High silicon iron (14% Si) B. Tin C. Stainless steel D. All A., B. and C....

In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of _______________?

A. Concrete B. Wood C. Steel D. Porcelain...