JSW_Boiler_Metallurgy_pre JSW_Boiler Metallurgy_ILT_Pre Assessment JSW_Boiler Metallurgy_ILT_Pre Assessment The number of attempts remaining is 1 1 / 20 1. The tendency of brittle fracture increases with a. Decreasing temperature b. Decrease in strain rate c. Increasing temperature d. Does not depend on the strain rate and temperature 2 / 20 2. Corrosion Process is ___________________ eaten away of material. a. Mechanical b. Electro-Chemical c. Chemical d. Electrical 3 / 20 3. Which Failure mechanism of material failure is related to cyclic stress ? a. Fatigue b. Erosion c. Corrosion d. Plastic deformation 4 / 20 4. Which regulation is applicable for Boiler in India a. ASME b. CBB c. IBR 1950 d. IRB 1923 5 / 20 5. Steel rule is made of ____________ a. Stainless steel b. Brass c. Cast iron d. Zinc 6 / 20 6. Which technique is not included in a Non Destructive Examination/ Testing a. Tensile testing b. Dye Penetrant testing c. Ultrasonic Testing d. Radiography Testing 7 / 20 7. Steel is Which Type of material ? a. Plastic Material b. Polymeric Material c. non ferrous Material d. Ferrous Material 8 / 20 8. Which component is not part of the Boiler System a. Economizer b. Attemperator c. Drain Header d. Deaerator 9 / 20 9. What is operating Temp of main steam in your plant ? (select most Suitable Ans) a. 704 Deg Cel b. 535 Deg Cel c. 420 deg Cel d. 553 Deg Cel 10 / 20 10. Which property is considered the opposite of ductility famously? a. Brittleness b. Toughness c. Malleability d. Hardness 11 / 20 11. What is Unit of Stress ? a. J/m^3 b. mBar c. % d. N/ mm^2 12 / 20 12. Boiler Metallurgy is dealing with a. Alloying Element b. Microstructure c. Material d. All of the above 13 / 20 13. Rubber is __________ elastic than Steel a. Equal b. Non of the above c. Less d. More 14 / 20 14. The most commonly used combustion system in india for the thermal power plant boiler is the _______________ Combustion system. a. Travelling grate stoker firing b. Fluidised bed c. Pulverised fuel d. Circulating fluidised bed 15 / 20 15. What is Meaning of quenching in Heat treatment a. Cooling of steel b. Re heating of steel c. Thinning of Steel d. Heating of Steel 16 / 20 16. In a thermal power station, the main component used for heat addition in working Fluid a. Compressor b. Turbine c. Boiler d. Condenser 17 / 20 17. Which of the following is not a failure mechanism of Boiler Tube Leakage a. Stress Corrosion fatigue b. Vibration Fatigue c. Hot Shortness d. Hydrogen Embrittlement 18 / 20 18. Welding Create _____________Stresses in material a. Compressive stress b. Shear Stress c. Resudual Stress d. tortional Strain 19 / 20 19. Which of the following is not damage mechanism persist in Boiler tube failure a. Fatigue b. Freezing c. Erosion d. Corrosion 20 / 20 20. Waterwall of boiler is made up of which material a. Alluminium b. Copper c. Cast iron d. Steel Your score is