Presence of nitrogen in steel___________________?

Related Mcqs:

_____________ iron is produced, when molten pig iron is chilled suddenly?

A. White cast B. Grey cast C. Wrought D. None of these...

Teflon (PTFE) is corroded by_______________?

A. Hydrochloric acid (10%) B. Hydrochloric acid (95%) C. Sulphuric acid D. None of these...

Carbon supply in pack carburising process is in the form of_____________________?

A. Charcoal B. Calcium carbide C. Hydrocarbon oil D. Graphite...

Zircaloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium_______________?

A. Tin, nickel, iron and chromium B. And graphite C. And copper D. None of these...

100% H2SO4 at 30°C can’t be stored in a vessel made/lined with ___________________?

A. Cast iron and high silicon iron B. Mild steel and stainless steel C. Aluminium, tin and rubber D. Teflon, glass and porcelain...