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i) What are the different types of insulators used in overhead lines ? [2 marks] Discuss advantages & disadvantages of corona. State the factors on which corona formation depends & varies. [5 marks] Draw complete layout and Explain the working of a Nuclear power plant. Also briefly state its advantages and disadvantages . [8 marks] A transmission line has a span of 200 m between same level of supports. The conductor has a cross sectional area of 2 cm square. The tension in the cable is 2000 kg , Specific gravity of conductor material is 9.9 gm per cubic cm. Wind pressure is 1.5 kg/m length, calculate the value of Sag [5 marks].

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• i) What are the different types of insulators used in overhead lines ? [2 marks]

• Discuss advantages & disadvantages of corona. State the factors on which corona formation depends & varies. [5 marks]

• Draw complete layout and Explain the working of a Nuclear power plant. Also briefly state its advantages and disadvantages . [8 marks]

• A transmission line has a span of 200 m between same level of supports. The conductor has a cross sectional area of 2 cm square. The tension in the cable is 2000 kg , Specific gravity of conductor material is 9.9 gm per cubic cm. Wind pressure is 1.5 kg/m length, calculate the value of Sag [5 marks].