Direct Current Shunt Generator Or DC Shunt Generator Objective Questions and Answers

41.  The series field of a short shunt DC generator is excited to buy

   A. Armature

   B. Shunt field

   C. Load

   D. I_L + I_SH

42.  The factor that is not responsible for drop in terminal voltage of a DC shunt generator on load is

   A. Commutation

   B. Armature reaction

   C. Armature resistance drop

   D. None of the above

43.  In a DC shunt generator, the voltage build up is generally restricted due to

   A.. Armature heating

   B. Insulation restrictions

   C. Saturation of iron

   D. Speed limitation

44.  The residual magnetism of a DC shunt generator can be regained by

   A. Connecting the shunt field to a battery

   B. Running the generator on no-load for sometime

   C. Grounding the shunt field

   D. Reversing the direction of rotation of the generator

45.  A shunt generator can self excite

   A. Only if the resistance of the field circuit is less then critical value

   B. Only if the resistance of the field circus is greater than critical value

   C. Irrespective of the value of the resistance in the field circuit

   D. None of the above

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