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