Materials and Construction Silicone rubber is not resistant to the corrosive action of Sulphuric acid (10%) Ether Sulphuric acid (95%) Both B and C Sulphuric acid (10%) Ether Sulphuric acid (95%) Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Has very low strength All of these Is broken by small temperature changes Cannot be heated Has very low strength All of these Is broken by small temperature changes Cannot be heated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most prone to atmospheric corrosion? Copper Silver Iron Tin Copper Silver Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Fire clay Silica Low thermal conductivity Tar-dolomite Fire clay Silica Low thermal conductivity Tar-dolomite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs ANSWER DOWNLOAD EXAMIANS APP
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