Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Slag wool Vermiculite Glass wool and 85% magnesia Ceramic fibre blanket Slag wool Vermiculite Glass wool and 85% magnesia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. Ultimate None of these Proof Yield point Ultimate None of these Proof Yield point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in steel wholly in the Both A & B Combined form Neither A nor B Free state as graphite Both A & B Combined form Neither A nor B Free state as graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Cadmium Magnesium Aluminium Lead Cadmium Magnesium Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Metal at the top of the electromotive series is Most noble Most active Most stable Least active Most noble Most active Most stable Least active ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
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