Materials and Construction Presence of silicon in steel Indicates that steel is not deoxidised properly Is in the form of free Si None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si None of these Decreases the blow holes formation tendency in castings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Muntz metal is a/an alloys of Ferrous material Copper & zinc Lead & tin Magnesium & tin Ferrous material Copper & zinc Lead & tin Magnesium & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. None of these Acetic acid Concentrated H₂SO₄ Dilute HCI None of these Acetic acid Concentrated H₂SO₄ Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When the steel is subjected to normalising, its __________ decreases. Ultimate tensile strength (UTS) Yield point Ductility None of these Ultimate tensile strength (UTS) Yield point Ductility None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for bearings is a____base alloy. Aluminium Lead Copper Tin Aluminium Lead Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.5 0.8 2.5 0.3 0.5 0.8 2.5 0.3 ANSWER DOWNLOAD EXAMIANS APP