Materials and Construction Kel-F is a material, which is Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Stainless steel and high silicon cast iron PTFE and porcelain Cast iron and aluminium None of these Stainless steel and high silicon cast iron PTFE and porcelain Cast iron and aluminium None of these 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. Acetic acid None of these Dilute HCI Concentrated H₂SO₄ Acetic acid None of these Dilute HCI Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following commercial metals is most abundantly found in India? Copper Nickel Zinc Aluminium Copper Nickel Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 2210 510 910 1720 2210 510 910 1720 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains None of these Martensite Sorbite Troostite None of these Martensite Sorbite Troostite ANSWER DOWNLOAD EXAMIANS APP
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