Materials and Construction With increase in carbide/graphite ratio in cast iron, its Both A & B Ductility decreases Neither A nor B Hardness & brittleness increases Both A & B Ductility decreases Neither A nor B Hardness & brittleness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Nitrides Carbides Silicides Oxides Nitrides Carbides Silicides Oxides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a non-magnetic material? Zinc Nickel Cobalt None of these Zinc Nickel Cobalt None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 8 4 2 0.2 8 4 2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (10%) None of these Sulphuric acid Hydrochloric acid (95%) Hydrochloric acid (10%) None of these Sulphuric acid Hydrochloric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The phenomenon in which slow extension of material takes place with the time at constant load is called Creep Ductility Elasticity Plasticity Creep Ductility Elasticity Plasticity ANSWER DOWNLOAD EXAMIANS APP
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