Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Cast iron Rubber lined mild steel Lead lined mild steel Aluminium Cast iron Rubber lined mild steel Lead lined mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper and tin? Admiralty gun metal Bell metal Monel metal Gun metal Admiralty gun metal Bell metal Monel metal Gun metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Chromel Constantan German silver Kanthal Chromel Constantan German silver Kanthal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction German silver is an alloy of copper, nickel and Zinc Lead Silver Tin Zinc Lead Silver Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Very low strength to weight ratio Rather low tensile strength Very high cost Scarce availability Very low strength to weight ratio Rather low tensile strength Very high cost Scarce availability ANSWER DOWNLOAD EXAMIANS APP
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 Acetic acid None of these v Dilute HC₁ Acetic acid None of these v Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
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