ELECTRICIAN 2nd YEAR MODULE – Power Generation and Substation ONLINE TEST July 2, 2025July 2, 2025 by admin TRANSLATE THIS QUIZ IN YOUR LANGUAGE इस प्रश्नोत्तरी का अपनी भाषा में अनुवाद करें <<12345678910111213141516171819202122232425262728293031323334353637>> 0% Question 1 of 37 1. Which turbine is used for high heads in hydro electric power plant? Impulse turbine Reaction turbine Francis turbine Kaplan turbineQuestion 1 of 37Question 2 of 37 2. Which is the purpose of boiler in a steam power station? Converts water into steam Super heats the steam Heats feed water and air Liberates the heat from burnt fuelQuestion 2 of 37Question 3 of 37 3. What is the function of economiser in steam power plant? Purifies the feed water by chemical treatment Heats the feed water by the flue gases Heats the air by the flue gases Converts water into steamQuestion 3 of 37Question 4 of 37 4. Which is the residue of bio-mass? Slurry Bio gas Manure Bio fuelQuestion 4 of 37Question 5 of 37 5. Which is the main constituent of biogas? Oxygen Carbon dioxide Hydrogen MethaneQuestion 5 of 37Question 6 of 37 6. Which power generation plant is having more reliability in operation? Diesel power plant Hydro power plant Nuclear power plant Thermal power plantQuestion 6 of 37Question 7 of 37 7. What is the main disadvantage of nuclear plant? Installed away from load centre Disposal of waste Plant requires large space Running cost is moreQuestion 7 of 37Question 8 of 37 8. What is the advantage of non conventional power generation? Reduce pollution Low initial cost More reliable More efficientQuestion 8 of 37Question 9 of 37 9. What is the major disadvantage of wind power generation? Pollution effect is more Requires high technology Plant installation more complicated Wind power is not constant and steadyQuestion 9 of 37Question 10 of 37 10. Which fuel is available in plenty in India for power generation? Diesel Gas oil Coal GasolineQuestion 10 of 37Question 11 of 37 11. What is the function of turbine used in tidal power generation? Prevents water flow to other parts of dam Converts kinetic energy into potential energy Keeps the water flow from low to higher level Converts potential energy into kinetic energyQuestion 11 of 37Question 12 of 37 12. What is the function of air pre heater in a steam power station? Supplies hot air to economiser Heats feed water Extracts heat from flue gases and heats input air Supplies hot air to super heaterQuestion 12 of 37Question 13 of 37 13. Which power generation requires heavy water treatment plant? Diesel power generation Hydel power generation Thermal power generation Nuclear power generationQuestion 13 of 37Question 14 of 37 14. What is the purpose of barrage in tidal power station? Tap the water at the entrance of gulf Releases water towards the sea Converts potential energy into kinetic energy Controls the tidal wavesQuestion 14 of 37Question 15 of 37 15. Name the constituent marked as 'X' of the schematic arrangement of hydro electric plant. Valve house Surge tank Power house PenstockQuestion 15 of 37Question 16 of 37 16. Which is the conventional power generation? Wind power generation Solar power generation Tidal power generation Thermal power generationQuestion 16 of 37Question 17 of 37 17. How electricity produced in solar panel? While sunlight strikes nickel plate While sunlight strikes on photovoltaic cell While sunlight strikes manganese While sunlight strikes glassQuestion 17 of 37Question 18 of 37 18. Which type of power plant is more efficient? Diesel plant Hydro electric Steam power Nuclear powerQuestion 18 of 37Question 19 of 37 19. Which material is used as control rod in a nuclear reactor? Graphite Cadmium Thorium TungstenQuestion 19 of 37Question 20 of 37 20. What is the function of penstocks in hydro power stations? Carries water away from power house Carries water to dam Carries water to turbines Discharges surplus water from reservoirQuestion 20 of 37Question 21 of 37 21. What is the name of the material used for making photovoltaic cell? Arsenic Germanium Silicon AntimonyQuestion 21 of 37Question 22 of 37 22. How the potential energy from water flowing is converted as kinetic energy to generate power? By using surge tanks at the water canal By using water turbine to drive alternator By creating high head through penstocks By storing water in high quantityQuestion 22 of 37Question 23 of 37 23. Which is the natural source of energy? Coal Biogas Heat SunQuestion 23 of 37Question 24 of 37 24. Which component in a steam power plant is used to heat the feed water from the flue gas? Boiler Economizer Air pre heater Super heaterQuestion 24 of 37Question 25 of 37 25. Which device senses the wind speed in a wind power generation? Turbine controller Chopper controller Line controller unit Exciter unitQuestion 25 of 37Question 26 of 37 26. What is the function of charge controller in battery based micro hydel power generation? Prevents the over charging of battery Controls the over speed of the turbine Controls the over voltage Disconnects turbine from the batteryQuestion 26 of 37Question 27 of 37 27. Which is a non-conventional energy source? Sun rays Stored water Pulverized coal LigniteQuestion 27 of 37Question 28 of 37 28. Which is the non conventional energy source? Steam Water Diesel WindQuestion 28 of 37Question 29 of 37 29. Which is the non conventional power generation? Nuclear power generation Diesel power generation Wind mill power generation Hydro-electric power generationQuestion 29 of 37Question 30 of 37 30. What is the name of the atomic material used for nuclear fission in nuclear power station? Thorium Antimony Silicon CadmiumQuestion 30 of 37Question 31 of 37 31. What is the main disadvantage of non-conventional power generation? Poor efficiency No constant generation Can use only light loads Heavy load cannot be operatedQuestion 31 of 37Question 32 of 37 32. What is the effect of radio active rays produced during nuclear fission? Damages the reactors Reduces fission process Enormous heat is produced Creates health hazardsQuestion 32 of 37Question 33 of 37 33. What happens to solar cell, if the intensity of light is low? Output decreases Output remain same No output in the cell Output increasesQuestion 33 of 37Question 34 of 37 34. What is the output voltage of a solar cell, if light intensity is high? No effect and remain same Output voltage is decreased Output voltage is increased No output in the cellQuestion 34 of 37Question 35 of 37 35. Which is the disadvantage of non conventional power generation over conventional power generation? Security risk is more Requires more maintenance Cannot be used for base load demand Increase pollutionQuestion 35 of 37Question 36 of 37 36. What is the advantage of pressurized water reactor (PWR)? It has high power density Metal surface temperature is lower High thermal efficiency No heat lossQuestion 36 of 37Question 37 of 37 37. Which material is used in solar cell? Phosphorus Copper Antimony SiliconQuestion 37 of 37 Loading...