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 Reduced preferentially Cheaper Lighter Oxidised preferentially Reduced preferentially Cheaper Lighter Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Machinable Corrosion resistant Prone to season cracking Abrasion resistant Machinable Corrosion resistant Prone to season cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hydrogen in liquid steels is dissolved In the ionic form As tiny gas bubbles In the molecular form In the atomic form In the ionic form As tiny gas bubbles In the molecular form In the atomic form ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Calcium silicate Sand Magnesium silicate Iron pyrite Calcium silicate Sand Magnesium silicate Iron pyrite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the joint produced by __________ has the lowest strength. Brazing Welding Soldering Rivetting Brazing Welding Soldering Rivetting ANSWER DOWNLOAD EXAMIANS APP