Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Grey cast iron Mild steel High carbon steel Alloy steel Grey cast iron Mild steel High carbon steel Alloy steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration None of these Temperature Velocity Concentration None of these Temperature Velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Powder metallurgy Forging None of these Casting Powder metallurgy Forging None of these Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Jet of water at high pressure Blast of air Mixture of water and air Rain of molten lead Jet of water at high pressure Blast of air Mixture of water and air Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Lead Aluminium alloy Brass Cast iron Lead Aluminium alloy Brass Cast iron ANSWER DOWNLOAD EXAMIANS APP
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