Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by v Dilute HC₁ Acetic acid None of these v Dilute HC₁ Acetic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its casting unsound Its hard and machinable Its brittle and malleable All of these Its casting unsound Its hard and machinable Its brittle and malleable All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs are made of Metallic carbides Corundum Carborundum High alumina ceramic Metallic carbides Corundum Carborundum High alumina ceramic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement. Brass for low Both A & B Nickel alloys for high Aluminium for all Brass for low Both A & B Nickel alloys for high Aluminium for all ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Silica Low thermal conductivity Tar-dolomite Fire clay Silica Low thermal conductivity Tar-dolomite Fire clay ANSWER DOWNLOAD EXAMIANS APP
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