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