Chemical Engineering Basics Sub zero treatment of steel is done to Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation Enhance its working performance in sub zero atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Face centred cubic (fcc) Hexagonal close, packed (hcp) Simple cubic Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close, packed (hcp) Simple cubic Body centred cubic (bcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Thermal properties Elastic properties Induced stresses Density Thermal properties Elastic properties Induced stresses Density ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting Powder metallurgy None of these Forging Casting Powder metallurgy None of these Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Castability of aluminium is increased by the addition of __________ in it. Manganese Lead Bismuth Silicon Manganese Lead Bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Liquid oxygen Liquid hydrazine Liquid hydrogen Kerosene oil Liquid oxygen Liquid hydrazine Liquid hydrogen Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
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