| 1. | For transmission of power over a distance of 200 km, the transmission voltage should be ? | |
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132 kV
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66 kV
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33 kV
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11 kV
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Report Question| 2. | In aluminium conductors, steel core is provided to ? | |
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compensate for skin effect
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neutralise proximity effect
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reduce line inductance
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increase the tensile strength
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| 3. | ln a D.C. 3-wire distributor using balancers and having unequal loads on the two sides ? | |
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both balancers run as generators
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both balancers run as motors
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balancer connected to lightly- loaded side runs as a motor
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balancer connected to heavily- loaded side runs as a motor
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| 4. | The material commonly used for sheaths of underground cables is ? | |
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lead
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rubber
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copper
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iron
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| 5. | The loads on distributors systems are generally ? | |
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balanced
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unbalanced
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either of the above
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none of the above
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| 6. | High voltage transmission lines use ? | |
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suspension insulators
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pin insulators
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both (a) and (b)
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none of the above
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| 7. | In A.C. S.R. conductors, the insulation between aluminium and steel conductors is ? | |
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insulin
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bitumen
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varnish
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no insulation is required
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| 8. | In a substation the following equipment is not installed ? | |
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exciters
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series capacitors
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shunt reactor
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voltage transformers
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| 9. | Pin type insulators are generally not used for voltages beyond ? | |
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1 kV
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11 kV
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22 kV
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33 kV
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| 10. | The top most conductor in a high transmission line is ? | |
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earth conductor
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R-phase conductor
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Y-phase conductor
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B-phase conductor
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