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 Plastic deformation of material does not occur Initiation of crack from below the surface 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 Plastic deformation of material does not occur Initiation of crack from below the surface does not occur 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. 150 300 200 400 150 300 200 400 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Seamless & made of steel Made by sand casting Welded steel cylinders Heat treated before use Seamless & made of steel Made by sand casting Welded steel cylinders Heat treated before use ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method. X-ray Dye penetrant Ultrasonic Magnetic particle X-ray Dye penetrant Ultrasonic Magnetic particle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is not a heat treatment process. Pakerising Cyaniding Martempering Austempering Pakerising Cyaniding Martempering Austempering ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Angular displacement can be measured suitably by a Shaft encoder Linear variable differential transducer (LVDT) Stroboscope Tachometer Shaft encoder Linear variable differential transducer (LVDT) Stroboscope Tachometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS