Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C. 597 959 1147 1493 597 959 1147 1493 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Upward thrust due to air Viscous force exerted by air Force of gravity Surface tension effects of water Upward thrust due to air Viscous force exerted by air Force of gravity Surface tension effects of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength. Spinning Shot peening Lancing Slugging Spinning Shot peening Lancing Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase. Percent elongation Modulus of resilience Modulus of toughness Ultimate tensile strength (UTS) Percent elongation Modulus of resilience Modulus of toughness Ultimate tensile strength (UTS) ANSWER DOWNLOAD EXAMIANS APP
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 Martensite Sorbite Bainite Troostite Martensite Sorbite Bainite Troostite ANSWER DOWNLOAD EXAMIANS APP