Which of the following if present in iron ore, enhances its value ?

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Globular form of cementite is formed during the _________________ process ?

A. Spheroidising B. Hardening C. Annealing D. Normalising...

In a good rimming steel_________________________?

A. Carbon and silicon should be low B. Silicon should be low but carbon should be high C. Both silicon & carbon should be high D. Silicon should be high but carbon should be low...

Limestone addition in the blast furnace is done to flux _______________ present in the raw materials?

A. SiO2 B. Al2O3 C. MnO2 D. P...

Cold chisel‟s hammers are made of___________________?

A. High speed steel B. High carbon steel C. Forged steel D. Mild steel...

Insulation of liquid surface can be achieved by _____________ on top of its surface?

A. Floating hollow polypropylene spheres B. Spraying alumina powder C. Putting cement D. None of these...