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