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