Transmission And Distribution Objective Type Questions and answers

11.  Which of the following materials is not used for transmission and distribution of electrical power?

   A. Copper

   B. Aluminium

   C. Steel

   D. Tungsten

12.  Which of the following are the constants of the transmission lines?

   A. Resistance

   B. Inductance

   C. Capacitance

   D. All of the above

13.  The distributors for residential areas are

   A. Single phase

   B. Three phase three wire

   C. Three phase four wire

   D. None of the above

14.  The contactors of the overhead lines are

   A. Solid

   B. Stranded

   C. Both solid and stranded

   D. None of the above

15.  Which of the following relays is used on long transmission lines?

   A. Impedance relay

   B. Mho's relay

   C. Reactance relay

   D. None of the above

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