Materials and Construction The hardest material just prior to diamond in Mhos scale is Topax Calcite Corrundum Carborundum Topax Calcite Corrundum Carborundum 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 Acetic acid Dilute HCI None of these Concentrated H₂SO₄ Acetic acid Dilute HCI None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Valves in pipe size of 2" and under are normally made of Wrought iron Bronze Brass Monel Wrought iron Bronze Brass Monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Karbate Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Eutectic Recrystallisation Lower critical Upper critical Eutectic Recrystallisation Lower critical Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which is an amorphous material? Brass Mica Glass Cast iron Brass Mica Glass Cast iron ANSWER DOWNLOAD EXAMIANS APP
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