Neutral Earthing Objective Type Questions and answers

41.  Earthing of transformer neutral through reactance will improve its

   A. Transient stability

   B. steady-state stability

   C. Both of the above

   D. None of the above

42.  Resistance earthing is employed for voltages between

   A. 3.3 and 11 KV

   B. 11 and 33 KV

   C. 33 and 66 KV

   D.66 and 132 KV

43.  Neutral earthing has the advantages of

   A. Elimination of arcing grounds

   B. Low maintenance and operating costs over isolated neutral systems

   C. simplified design of earth fault protection

   D. All of the above

44.  The size of the earth wire is determined on the basis of

   A. Voltage of the service line

   B. Current carrying capacity of the service line

   C. Atmospheric conditions

   D. None of the above

45.  The advantage of neutral earthing is

   A. Safety of personal

   B. Reduction of earth fault current

   C. Elimination of arcing ground

   D. All of the above

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