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
Materials and Construction Which of the following is the hardest material? Corrundum Quartz Flourite Topaz Corrundum Quartz Flourite Topaz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are prone to temper brittleness Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Are prone to temper brittleness Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance 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 Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 0.5 75 40 2 0.5 75 40 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In the kraft (sulphate) process for the paper manufacture, the digestor is made of Stainless steel Karbate carbon Cast iron Wrought iron Stainless steel Karbate carbon Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
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