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 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 Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part 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 Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? Steel Brass Glass Rubber Steel Brass Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Factor of safety is the ratio of the __________ stress to the working stress. Tensile Yield Compressive Bearing Tensile Yield Compressive Bearing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means Disposing off machine/property, which is no longer useful in the present scenerio Disposing off a machine/property on as is where is basis Mortgaging the obsolete machine/property Writing off the obsolete machine/ property Disposing off machine/property, which is no longer useful in the present scenerio Disposing off a machine/property on as is where is basis Mortgaging the obsolete machine/property Writing off the obsolete machine/ property ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Filler material used in welding having the lowest melting point out of the following is Brazing spelter Silver solder Aluminium Soft solder Brazing spelter Silver solder Aluminium Soft solder ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Cementite Flakes Spheroids Nodular aggregates of graphite Cementite Flakes Spheroids Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP