Post weld heat treatment is done by____________________?

Related Mcqs:

Bog iron used for the adsorption of H2S from coke oven gas is___________________?

A. An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) B. Iron impregnated with resin (usually Bakelite) C. Carbon free iron D. None of these...

A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?

A. 5 B. 100 C. 250 D. 500...

Duriron is__________________?

A. Acid resistant, brittle and very hard B. High silicon iron C. Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion D. All A., B. and C....

Brass container is suitable for storing__________________?

A. Aqueous ammonia B. Beer C. H2SO4 (95%) D. Phosphoric acid (95%)...

Addition of ______________ in steel is helpful in increasing the depth of hardness?

A. Chromium B. Sulphur C. Vanadium D. Tungsten...