Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Monel Kel-F and teflon Stainless steel Graphite Monel Kel-F and teflon Stainless steel Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high phosphorous in cast iron increases its Fluidity Tensile strength Shrinkage Melting point Fluidity Tensile strength Shrinkage Melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Tin or lead based alloys Yellow metals Having homogenous microstructure Short of antifrictional properties Tin or lead based alloys Yellow metals Having homogenous microstructure Short of antifrictional properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? High carbon steel Pig iron Mild steel Wrought iron High carbon steel Pig iron Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Not used as pigment (in its compound forms) for paints Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Used as a cathodic material Not resistant to corrosion Not used as pigment (in its compound forms) for paints Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Used as a cathodic material Not resistant to corrosion 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