The power transmitted will be maximum when____________?

A. corona losses are minimumB. reactance is highC. sending end voltage is moreD. receiving end voltage is more

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Which of the following materials is used for overhead transmission lines ?

A. Steel cored aluminiumB. Galvanised steelC. Cadmium copperD. Any of the above

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Which of the following is not a constituent for making porcelain insulators ?

A. QuartzB. KaolinC. FelsparD. Silica

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There is a greater possibility of occurence of corona during______________?

A. dry weatherB. winterC. summer heatD. humid weatherE. none of the above

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A 3-phase 4 wire system is commonly used on________________?

A. primary transmissionB. secondary transmissionC. primary distributionD. secondary distribution

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