Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Alloy steel Grey cast iron Mild steel High carbon steel Alloy steel Grey cast iron Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is added to 60:40 brass primarily to improve Corrosion resistance Fluidity Strength Machinability Corrosion resistance Fluidity Strength Machinability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 30000 J 240000 J 60000 J 90000 J 30000 J 240000 J 60000 J 90000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. Two One Three None of these Two One Three None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 1800 2000 2400 3000 1800 2000 2400 3000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal conductivity Thermal diffusivity Viscosity Density Thermal conductivity Thermal diffusivity Viscosity Density ANSWER DOWNLOAD EXAMIANS APP
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