Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Twinning Dislocation climb Recrystallisation Cross-slip Twinning Dislocation climb Recrystallisation Cross-slip ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Magnesium Mercury Calcium Sodium Magnesium Mercury Calcium Sodium 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. Increases Shows inversion of solubility Decreases None of these Increases Shows inversion of solubility Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Viscous force exerted by air Upward thrust due to air Force of gravity Surface tension effects of water Viscous force exerted by air Upward thrust due to air Force of gravity Surface tension effects of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting Forging None of these Powder metallurgy Casting Forging None of these Powder metallurgy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Corrosion resistant Machinable Prone to season cracking Abrasion resistant Corrosion resistant Machinable Prone to season cracking Abrasion resistant ANSWER DOWNLOAD EXAMIANS APP
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