Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Cross-slip Recrystallisation Dislocation climb Twinning Cross-slip Recrystallisation Dislocation climb Twinning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. None of these 100 50 None of these 100 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Toughness Internal stress level Softness Machinability Toughness Internal stress level Softness Machinability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Kinematic viscosity of water as compared to that of air is More 15% more Same 15% less More 15% more Same 15% less ANSWER DOWNLOAD EXAMIANS APP