Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Sorbite Bainite Troostite Martensite Sorbite Bainite Troostite Martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Corrosion resistant Machinable Prone to season cracking Abrasion resistant Corrosion resistant Machinable Prone to season cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most suitable material of construction for a sewer to carry sewage under high pressure is Steel Stoneware Asbestos cement Cement concrete Steel Stoneware Asbestos cement Cement concrete ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Machinability Internal stress level Toughness Softness Machinability Internal stress level Toughness Softness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum 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
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