Chemical Engineering Basics Sub zero treatment of steel is done to Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Suppress martensite transformation Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Suppress martensite transformation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 3CaO . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Brass Copper Lead Aluminium Brass Copper Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. >100 About 273 About 373 >100 About 273 About 373 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Malleable Ductile Grey Nodular Malleable Ductile Grey Nodular ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is poured into the joint between two __________ pipes. Mild steel Cast iron Concrete Asbestos cement Mild steel Cast iron Concrete Asbestos cement ANSWER DOWNLOAD EXAMIANS APP
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