Electrical Engineering : Power Systems QUESTIONS AND ANSWERS :: part3 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.The function of the earth wire in an extra high voltage line is to |
| prevent earth fault |
| provide a safety measure for any high-flying object |
| provide a shield to the phase con-ductors from direct lightning stroke |
| provide mechanical strength to the towers |
22.A loss less line terminated with its surge impedance has |
| flat voltage profile |
| transmission line angle is greater than actual length of line |
| transmission line agnle is less than the actual length |
| both (a) and (b) above |
23.With 100 % inductive shunt compensation, the voltage profile is flat for |
| 100 % loading of line |
| 50 % loading of line |
| zero loading of line |
| none of the above |
24.If a line is 100 % series compensated it may result into series resonance at power frequency of |
| 50 Hz |
| 150 Hz |
| 100 Hz |
| none of the above |
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