Mho Relay | Mho Relay Objective Type Questions and answers

16.  A Mho relay is a

   A. Voltage restrained directional relay

   B. Voltage restrained over current relay

   C.. Directional restrained over-current relay

   D. Directional restrained over voltage relay

17.  Mho relay is usually employed for the protection of

   A. Short lines only

   B. Medium lines only

   C. Long lines only

   D. Any line

18.  Which of the following relay has inherent directional characteristic?

   A. Mho

   B. Reactance

   C. Impedance

   D. None of the above

19.  For the protection of a very long extra high voltage line, the protective relay used is

   A. Over current with extremely inverse characteristics

   B. Percentage differential relay

   C. Reactance type distance relay

   D. Mho type distance relay

20.  Relay used for feeder protection is

   A. Under voltage relay

   B. Translay relay

   C.Thermal relay

   D. Buchholz relay

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