Chemical Engineering Basics Out of the following, the joint produced by __________ has the lowest strength. Rivetting Brazing Welding Soldering Rivetting Brazing Welding Soldering ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Powder metallurgy None of these Forging Casting Powder metallurgy None of these Forging Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Caustic embrittlement of steel Neither (a) nor (b) Both (a) & (b) Season cracking of brass Caustic embrittlement of steel Neither (a) nor (b) Both (a) & (b) Season cracking of brass 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 Reduced preferentially Oxidised preferentially Cheaper Lighter Reduced preferentially Oxidised preferentially Cheaper Lighter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight 7 1.5 3 5 7 1.5 3 5 ANSWER DOWNLOAD EXAMIANS APP