Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Ductile Brittle Tough Malleable Ductile Brittle Tough Malleable 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 : Blast of air Rain of molten lead Jet of water at high pressure Mixture of water and air Blast of air Rain of molten lead Jet of water at high pressure Mixture of water and air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Nucleate boiling Conduction Convection Radiation Nucleate boiling Conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Forging Powder metallurgy None of these Casting Forging Powder metallurgy None of these Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Liquid hydrogen Liquid hydrazine Kerosene oil Liquid oxygen Liquid hydrogen Liquid hydrazine Kerosene oil Liquid oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Equal to Either A, B or C; depends on the size of atom Less than Greater than Equal to Either A, B or C; depends on the size of atom Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
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