Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 99.5 85 95 90 99.5 85 95 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 2.5 2.8 0.5 2.2 2.5 2.8 0.5 2.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Copper Special alloys Mild steel Lead Copper Special alloys Mild steel Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Calcium carbide Graphite Charcoal Hydrocarbon oil Calcium carbide Graphite Charcoal Hydrocarbon oil ANSWER DOWNLOAD EXAMIANS APP
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