Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Both B and C Bismuth Antimony Arsenic Both B and C Bismuth Antimony Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary driers are generally made of Mild steel Tin lined with refractory bricks Cast iron High silicon iron (14% Si) Mild steel Tin lined with refractory bricks Cast iron High silicon iron (14% Si) 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. Concentrated H₂SO₄ None of these Acetic acid Dilute HCI Concentrated H₂SO₄ None of these Acetic acid Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not used as pigment (in its compound forms) for paints Not resistant to corrosion Used as a cathodic material Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not used as pigment (in its compound forms) for paints Not resistant to corrosion Used as a cathodic material ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Hydrocarbon oil Graphite Calcium carbide Charcoal Hydrocarbon oil Graphite Calcium carbide Charcoal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Manganese in steel affects its None of these Tensile strength Hardness Ductility None of these Tensile strength Hardness Ductility ANSWER DOWNLOAD EXAMIANS APP
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