Electrical Engineering Mcqs

In case of a flat compounded generator:
  • (A)  voltage generated is less than the rated voltage
  • (B)  generated voltage is proportional to the load on the generator
  • (C)  voltage remains constant irrespective of the load
  • (D)  speed varies in proportion to the load on the generator
Interpole flux should be sufficient to_____________?
  • (A)  neutralise the commutating self induced e.m.f.
  • (B)  neutralise the armature reaction flux
  • (C)  neutralise both the armature reaction flux as well as commutating e.m.f. induced in the coil
  • (D)  perform none of the above functions
D.C. series generator is used_________________?
  • (A)  to supply traction load
  • (B)  to supply industrial load at constant voltage
  • (C)  voltage at the toad end of the feeder
  • (D)  for none of the above purpose
For the parallel operation of two or more D.C. compound generators, we should ensure that_______________?
  • (A)  voltage of the incoming generator should be same as that of bus bar
  • (B)  polarity of incoming generator should be same as that of bus bar
  • (C)  all the series fields should be run in parallel by means of equilizer connection
  • (D)  series fields of all generators should be either on positive side or negative side of the armature
  • (E)  all conditions mentioned above should be satisfied
Lap winding is composed of_____________?
  • (A)  any even number of conductors
  • (B)  any odd number of conductors
  • (C)  that even number which is exact multiple of poles + 2
  • (D)  that even number which is exact multiple of poles