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 type of power plant is more efficient? Diesel plant Nuclear power Steam power Hydro electricQuestion 1 of 37Question 2 of 37 2. Which is the conventional power generation? Tidal power generation Wind power generation Thermal power generation Solar power generationQuestion 2 of 37Question 3 of 37 3. What is the function of penstocks in hydro power stations? Carries water to turbines Discharges surplus water from reservoir Carries water to dam Carries water away from power houseQuestion 3 of 37Question 4 of 37 4. What is the name of the material used for making photovoltaic cell? Germanium Arsenic Antimony SiliconQuestion 4 of 37Question 5 of 37 5. What is the advantage of non conventional power generation? More efficient Low initial cost Reduce pollution More reliableQuestion 5 of 37Question 6 of 37 6. What happens to solar cell, if the intensity of light is low? No output in the cell Output increases Output decreases Output remain sameQuestion 6 of 37Question 7 of 37 7. What is the output voltage of a solar cell, if light intensity is high? Output voltage is decreased No effect and remain same No output in the cell Output voltage is increasedQuestion 7 of 37Question 8 of 37 8. Which is the non conventional energy source? Water Diesel Steam WindQuestion 8 of 37Question 9 of 37 9. What is the main disadvantage of non-conventional power generation? Heavy load cannot be operated No constant generation Poor efficiency Can use only light loadsQuestion 9 of 37Question 10 of 37 10. Which is a non-conventional energy source? Sun rays Stored water Pulverized coal LigniteQuestion 10 of 37Question 11 of 37 11. Which is the purpose of boiler in a steam power station? Super heats the steam Converts water into steam Heats feed water and air Liberates the heat from burnt fuelQuestion 11 of 37Question 12 of 37 12. What is the function of charge controller in battery based micro hydel power generation? Controls the over voltage Controls the over speed of the turbine Disconnects turbine from the battery Prevents the over charging of batteryQuestion 12 of 37Question 13 of 37 13. Which is the residue of bio-mass? Manure Bio fuel Bio gas SlurryQuestion 13 of 37Question 14 of 37 14. Which is the disadvantage of non conventional power generation over conventional power generation? Cannot be used for base load demand Increase pollution Security risk is more Requires more maintenanceQuestion 14 of 37Question 15 of 37 15. What is the function of air pre heater in a steam power station? Supplies hot air to super heater Extracts heat from flue gases and heats input air Heats feed water Supplies hot air to economiserQuestion 15 of 37Question 16 of 37 16. Which device senses the wind speed in a wind power generation? Exciter unit Chopper controller Line controller unit Turbine controllerQuestion 16 of 37Question 17 of 37 17. Which component in a steam power plant is used to heat the feed water from the flue gas? Air pre heater Boiler Super heater EconomizerQuestion 17 of 37Question 18 of 37 18. Which power generation requires heavy water treatment plant? Diesel power generation Nuclear power generation Hydel power generation Thermal power generationQuestion 18 of 37Question 19 of 37 19. Which material is used as control rod in a nuclear reactor? Cadmium Tungsten Graphite ThoriumQuestion 19 of 37Question 20 of 37 20. Which turbine is used for high heads in hydro electric power plant? Kaplan turbine Reaction turbine Francis turbine Impulse turbineQuestion 20 of 37Question 21 of 37 21. What is the advantage of pressurized water reactor (PWR)? It has high power density No heat loss High thermal efficiency Metal surface temperature is lowerQuestion 21 of 37Question 22 of 37 22. What is the name of the atomic material used for nuclear fission in nuclear power station? Silicon Thorium Antimony CadmiumQuestion 22 of 37Question 23 of 37 23. What is the main disadvantage of nuclear plant? Running cost is more Plant requires large space Disposal of waste Installed away from load centreQuestion 23 of 37Question 24 of 37 24. What is the function of economiser in steam power plant? Purifies the feed water by chemical treatment Heats the air by the flue gases Heats the feed water by the flue gases Converts water into steamQuestion 24 of 37Question 25 of 37 25. How the potential energy from water flowing is converted as kinetic energy to generate power? By using surge tanks at the water canal By creating high head through penstocks By storing water in high quantity By using water turbine to drive alternatorQuestion 25 of 37Question 26 of 37 26. What is the effect of radio active rays produced during nuclear fission? Reduces fission process Enormous heat is produced Damages the reactors Creates health hazardsQuestion 26 of 37Question 27 of 37 27. Name the constituent marked as 'X' of the schematic arrangement of hydro electric plant. Power house Surge tank Valve house PenstockQuestion 27 of 37Question 28 of 37 28. Which is the natural source of energy? Coal Biogas Sun HeatQuestion 28 of 37Question 29 of 37 29. How electricity produced in solar panel? While sunlight strikes manganese While sunlight strikes on photovoltaic cell While sunlight strikes nickel plate While sunlight strikes glassQuestion 29 of 37Question 30 of 37 30. Which is the main constituent of biogas? Oxygen Methane Hydrogen Carbon dioxideQuestion 30 of 37Question 31 of 37 31. Which material is used in solar cell? Phosphorus Antimony Silicon CopperQuestion 31 of 37Question 32 of 37 32. What is the major disadvantage of wind power generation? Wind power is not constant and steady Plant installation more complicated Requires high technology Pollution effect is moreQuestion 32 of 37Question 33 of 37 33. What is the function of turbine used in tidal power generation? Prevents water flow to other parts of dam Converts potential energy into kinetic energy Keeps the water flow from low to higher level Converts kinetic energy into potential energyQuestion 33 of 37Question 34 of 37 34. Which fuel is available in plenty in India for power generation? Gas oil Gasoline Coal DieselQuestion 34 of 37Question 35 of 37 35. What is the purpose of barrage in tidal power station? Releases water towards the sea Controls the tidal waves Converts potential energy into kinetic energy Tap the water at the entrance of gulfQuestion 35 of 37Question 36 of 37 36. Which is the non conventional power generation? Wind mill power generation Diesel power generation Nuclear power generation Hydro-electric power generationQuestion 36 of 37Question 37 of 37 37. Which power generation plant is having more reliability in operation? Hydro power plant Diesel power plant Nuclear power plant Thermal power plantQuestion 37 of 37 Loading...