Chemical Engineering Basics In a casting, cold shut defect is caused by Very low mould permeability Faulty gating system Melt-mould reactions Low pounhg temperature Very low mould permeability Faulty gating system Melt-mould reactions Low pounhg temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Radiation Both A & B Conduction Convection Radiation Both A & B Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Flakes Spheroids Nodular aggregates of graphite Cementite Flakes Spheroids Nodular aggregates of graphite Cementite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as Re0.8, Re0.5 Re0.5, Re0.8 Re-0.8, Re0.5 Re0.8, Re-0.5 Re0.8, Re0.5 Re0.5, Re0.8 Re-0.8, Re0.5 Re0.8, Re-0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) 1/T 1/T² T² T 1/T 1/T² T² T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Liquid hydrazine Liquid oxygen Liquid hydrogen Kerosene oil Liquid hydrazine Liquid oxygen Liquid hydrogen Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
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