Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?

Related Mcqs:

Hastelloy C is a good material of construction in chemical process industry, since it is ___________________?

A. Highly corrosion resistant and is readily fabricated B. Relatively inexpensive although it can be fabricated with some difficulty C. Corrosion resistant to most alkalis, particularly because of its copper content D. Light and resists attack by acids...

How many atoms are there per unit cell in a body centred cubic lattice system ?

A. 6 B. 5 C. 3 D. 2...

Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?

A. 0.02 B. 0.2 C. 0.35 D. 0.5...

For storing water and acid free benzol, use a ______________ vessel?

A. Steel B. Karbate C. Stainless steel D. None of these...

Rubber lined vessels are corroded by the action of__________________?

A. Aqua regia B. Chloroform C. Sulphuric acid (95%) D. All A., B. and C....