Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Casting Cold rolling Forging Hot rolling Casting Cold rolling Forging Hot rolling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 1000 10000 100 10 1000 10000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Case hardened steel Lead lined reactor Galvanised iron Painted steel Case hardened steel Lead lined reactor Galvanised iron Painted steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. Three Two One None of these Three Two One None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. Al2O₃ SiO₂ MnO₂ P Al2O₃ SiO₂ MnO₂ P ANSWER DOWNLOAD EXAMIANS APP
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