Materials and Construction Which of the following is not a copper based alloy with nickel? Monel metal German silver Inconel Constantan Monel metal German silver Inconel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Makes it brittle Is desirable Increases its hardness Increases its strength Makes it brittle Is desirable Increases its hardness Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel Decreases the blow holes formation tendency in castings Is in the form of free Si None of these Indicates that steel is not deoxidised properly Decreases the blow holes formation tendency in castings Is in the form of free Si None of these Indicates that steel is not deoxidised properly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in steel wholly in the Combined form Both A & B Free state as graphite Neither A nor B Combined form Both A & B Free state as graphite Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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