Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Paint spray gun works on the principle of None of these Bernoulli's theorem Newton's law of viscosity Boyle's law None of these Bernoulli's theorem Newton's law of viscosity Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 300 200 150 400 300 200 150 400 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 Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called Ductility Impact strength Toughness Resilience Ductility Impact strength Toughness Resilience ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Laser welding is widely employed in the __________ industries. Electronic Structural Heavy Process Electronic Structural Heavy Process ANSWER DOWNLOAD EXAMIANS APP