Chemical Engineering Basics Tempering of a material does not improve its Internal stress level Softness Toughness Machinability Internal stress level Softness Toughness Machinability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 240000 J 90000 J 30000 J 60000 J 240000 J 90000 J 30000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Ductile Malleable Tough Brittle Ductile Malleable Tough Brittle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Tachometer Speedometer Frequency counter Strobometer Tachometer Speedometer Frequency counter Strobometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Vicker's hardness test Universal testing machine Scratch test Notched bar test Vicker's hardness test Universal testing machine Scratch test Notched bar test ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS