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 Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained In as cast state Immediately after solution treatment and subsequent quenching After overageing After optimum ageing In as cast state Immediately after solution treatment and subsequent quenching After overageing After optimum ageing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. None of these Forging Powder metallurgy Casting None of these Forging Powder metallurgy Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration Temperature None of these Velocity Concentration Temperature None of these Velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air standard Otto cycle is more efficient than the diesel cycle for the same Cylinder dimension & rpm Compression ratio & pressure Heat addition & compression ratio Heat addition & pressure Cylinder dimension & rpm Compression ratio & pressure Heat addition & compression ratio Heat addition & pressure ANSWER DOWNLOAD EXAMIANS APP
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