Materials and Construction Invar used in thermocouples is an alloy of nickel and Lead Copper Chromium Iron Lead Copper Chromium Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel is not corroded by Nitric acid (10%) Saturated brine Sulphuric acid (10%) Hydrochloric acid (10%) Nitric acid (10%) Saturated brine Sulphuric acid (10%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For storing water and acid free benzol, use a __________ vessel. Karbate Steel None of these Stainless steel Karbate Steel None of these Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Body centred cubic Simple hexagonal None of these Face centred cubic Body centred cubic Simple hexagonal None of these Face centred cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most prone to atmospheric corrosion? Silver Copper Tin Iron Silver Copper Tin Iron ANSWER DOWNLOAD EXAMIANS APP