Materials and Construction Presence of silicon in steel Is in the form of free Si Decreases the blow holes formation tendency in castings None of these Indicates that steel is not deoxidised properly Is in the form of free Si Decreases the blow holes formation tendency in castings None of these Indicates that steel is not deoxidised properly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Wrought iron Pig iron High silicon (14%) iron Mild steel Wrought iron Pig iron High silicon (14%) iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 0.2 4 8 2 0.2 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & carbon None of these Iron & mercury Platinum & mercury Iron & carbon None of these Iron & mercury Platinum & mercury ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Forging Electroforming Extrusion Cold working Forging Electroforming Extrusion Cold working ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Kel-F and teflon Stainless steel Monel Graphite Kel-F and teflon Stainless steel Monel Graphite ANSWER DOWNLOAD EXAMIANS APP
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