Home » EEE VIVA Questions » 20 TOP MOST THERMAL and HYDRO VIVA Questions and Answers – EEE 20 TOP MOST THERMAL and HYDRO VIVA Questions and Answers – EEE Posted on June 16, 2015January 2, 2016 by engineer15 Comments Thermal and hydro VIVA Questions and Answers :- 1.Why efficiency in Thermal Power Plant is Low? 2.On What Cycle does Thermal Power Plant operate? 3.Why Generation Voltage in Thermal Power Plant is between 11kV to 33kV? 4.What are the different circuits in Thermal Power Plant? 5.How efficiency of Thermal Plant can be improved? 6.Advantages and Disadvantages of Thermal Power Plant? 6.What are the advantages of Hydropower? 7.Why hydropower is called renewable source of energy? 8.What is the classification of Hydro Projects based on Installed Capacity? 9.How energy is generated in Hydroelectric Power Plant? 10.Which is the largest Hydropower station in the world? Thermal and hydro VIVA Questions and Answers :- 11.How does cost of generation from Hydropower Plant compare with other sources of electricity? 12.Which is the oldest Hydropower Plant in India? 13.What is the estimated total Hydropower potential of India? 14.How much of the total Hydro power potential has been exploited so far in India? 15.What are the different types of dams? 16.Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants? 17.What are the different types of Hydro Schemes? 18.What are the major reasons for balancing Hydro-thermal mix? 19.Why Hydropower stations are preferred solution for meeting peak loads in grids? 20.What are approaches to tackle sedimentation problem of reservoir?