Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Nitrogen Phosphorous Carbon Boron Nitrogen Phosphorous Carbon Boron 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 : Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting None of these Powder metallurgy Forging Casting None of these Powder metallurgy Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. Three None of these One Two Three None of these One Two ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carnot cycle is also termed as the constant __________ cycle in thermodynamics. Pressure Entropy Volume Heat Pressure Entropy Volume Heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Seamless & made of steel Welded steel cylinders Made by sand casting Heat treated before use Seamless & made of steel Welded steel cylinders Made by sand casting Heat treated before use ANSWER DOWNLOAD EXAMIANS APP
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