Chemical Engineering Basics Which of the following welding processes employs the highest welding temperature ? Thermit welding Gas welding Arc welding Resistance welding Thermit welding Gas welding Arc welding Resistance welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Decreases but dew point remains constant Increases but dew point remains constant Increases & the dew point decreases Decreases & the dew point increases Decreases but dew point remains constant Increases but dew point remains constant Increases & the dew point decreases Decreases & the dew point increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. None of these Casting Forging Powder metallurgy None of these Casting Forging Powder metallurgy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with High carbon steel Low carbon steel Cast iron High manganese steel High carbon steel Low carbon steel Cast iron High manganese steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Case hardened steel Painted steel Galvanised iron Lead lined reactor Case hardened steel Painted steel Galvanised iron Lead lined reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Cheaper Oxidised preferentially Lighter Reduced preferentially Cheaper Oxidised preferentially Lighter Reduced preferentially ANSWER DOWNLOAD EXAMIANS APP
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