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 Hot rolling Forging Cold rolling Casting Hot rolling Forging Cold rolling 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. Convection Radiation Conduction Nucleate boiling Convection Radiation Conduction Nucleate boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, which will fracture most readity, when hit with a hard hammer ? German silver Cast iron Brass Bronze German silver Cast iron Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the dimensionless quantity is Density Specific weight Viscosity Mach number Density Specific weight Viscosity Mach number ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Shore sceleroscope Knoop Vicker's Rockwell F Shore sceleroscope Knoop Vicker's Rockwell F ANSWER DOWNLOAD EXAMIANS APP
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