Materials and Construction The purpose of nitriding the steel is to Improve its reliability None of these Harden its surface Soften its surface Improve its reliability None of these Harden its surface Soften its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used in the production of pencillin (by deep fermentation process) is made of Glass lined steel Procelain High silicon cast iron Glass Glass lined steel Procelain High silicon cast iron Glass 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 Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of Carbon steel-brick lined High carbon steel-procelain lined Cast iron Stainless steel-lead lined Carbon steel-brick lined High carbon steel-procelain lined Cast iron Stainless steel-lead lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? None of these Tempering Normalising Annealing None of these Tempering Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with Teflon, glass and porcelain Aluminium, tin and rubber Cast iron and high silicon iron Mild steel and stainless steel Teflon, glass and porcelain Aluminium, tin and rubber Cast iron and high silicon iron Mild steel and stainless steel ANSWER DOWNLOAD EXAMIANS APP
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