Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Body centred cubic (bcc) Hexagonal close, packed (hcp) Face centred cubic (fcc) Simple cubic Body centred cubic (bcc) Hexagonal close, packed (hcp) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed water pump Feed check valve Stop valve Blow off cock Feed water pump Feed check valve Stop valve Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Radiation Convection Nucleate boiling Conduction Radiation Convection Nucleate boiling Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Martensite formation Retained austenite Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Martensite formation Retained austenite Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Manganese Vanadium Carbon Silicon Manganese Vanadium Carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dies for wire drawing are generally made of Carbides High carbon steel Mild steel Stainless steel Carbides High carbon steel Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP