Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

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

A. Alumina

B. Alkali oxide

C. Lime & Magnesia

D. None of these

Correct Answer :

C. Lime & Magnesia


Related Questions

L.D. (Linz-Donawitz) converter is used in the production of The trace metal present in insulin is Cementite is in the lamellar form in the __________ phase of steel. Stellite is a __________ material. Main constituent of bone ash is Good design of the casing of a centrifugal pump aims at minimising the Thermit welding uses the following energy source. A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial… High endurance limit of carburised machine parts is because of the fact… Which of the following is the most wear resistant grade of carbide used… Air/fuel ratio by weight for combustion of methane with theoretical quantity… Which of the following hardness tests does not measure the indentation… Uniform ramming of sand in green sand moulding process leads to Fire in fuel gas pipelines is extinguished most effectively by Hot & cold working of material causes its __________ deformation. __________ test is the appropriate test to determine whether a material… Out of the following, maximum temperature drop for a given heat flow &… Diffusion co-efficient of a metal in a solid solution depends upon its Pick out the wrong conversion of absolute & kinematic viscosities. Fog is an example of colloidal system of The cathode in an electrochemical cell always carries Which of the following fastening devices has a head at one end and a nut… Corona discharge is related to the operation of a/an The product out from a cupola is called Which of the following represents the correct time-temperature curve when… Hot extrusion of aluminium is done in the temperature range of __________… Laser welding is widely employed in the __________ industries. Common salt is produced from sea water in India generally by the __________… The material used for coating the welding electrode is termed as the Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which…