Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Tensile strength Toughness Fatigue Creep Tensile strength Toughness Fatigue Creep 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 Creep consideration is the most important in case of the Blades of gas turbines Cast iron pipes Steam engine flywheel Cycle chains Blades of gas turbines Cast iron pipes Steam engine flywheel Cycle chains ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10 10000 100 1000 10 10000 100 1000 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. Lancing Slugging Spinning Shot peening Lancing Slugging Spinning Shot peening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ultimate strength in tension as compared to that in shear for steel is One third One and half times One fourth Half One third One and half times One fourth Half ANSWER DOWNLOAD EXAMIANS APP