Direct Current Generator Or DC Generator Objective Questions and Answers

26.  Equalizer bar is necessary for parallel operation of DC .............generator

   A. Series

   B. Shunt

   C. Over compound

   D. Series and over compound

27.  If field of one of two generators operating in parallel is made very weak, then it will

   A. Not taken any load

   B. Take major share of load

   C. Operate as a motor and run in the same direction

   D. Operate as a motor and run in the opposite direction

28.  The essential condition for satisfactory parallel operation of two DC generators is that they should have same

   A. kW output rating

   B. Drooping voltage characteristics

   C. Percentage regulation

   D. Speed of operation

29.  The type of DC generator used for an welding purpose is a

   A. Series generator

   B. Shunt generator

   C. Cumulatively compounded generator

   D. Differentially compounded generator

30.  Flashing of field of DC generator means

   A. Neutralization of residual magnetism

   B. Creation of residual magnetism by a DC source

   C. Increasing flux density by providing extra ampere-turns in field

   D. None of the above

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