Ferromagnetic alpha iron exists in temperature range of________________?

Related Mcqs:

Malleability of a material can be defined as ______________________?

A. ability to undergo large permanent deformations in compression B. ability to recover its original form C. ability to undergo large permanent deformations in tension D. all of the above E. none of the above...

Pick up the wrong statement?

A. aluminium in steel results in excessive grain growth B. manganese in steel induces hardness C. nickel and chromium in steel help in raising the elastic limit and improve the resilience and ductility D. tungsten in steels improves magnetic properties and hardenability E. sulphur, phosphorous and lead im¬prove machining properties of steel...

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

A. silver metal B. duralumin C. Hastelloy D. monel metal E. invar...

Ductility of a material can be defined as__________________?

A. ability to undergo large permanent deformations in compression B. ability to recover its original form C. ability to undergo large permanent deformations in tension D. all of the above E. none of the above...

Which of the following is not the correct method of increasing fatigue limit __________________?

A. shot peening B. nitriding of surface C. cold working D. surface decarburisation E. under-stressing...