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

46.  The terminal voltage of an over compounded DC generator

   A. Decreases with the increase in load current

   B. Increases with the increase in load current

   C. Remains constant at all load cards

   D. None of the above

47.  Over or under compounding of a DC generator is achieved by

   A. Shunting more or less current from the shunt field

   B. Shunting more or less current from the series field

   C. Connecting it as long shunt

   D. Connecting it as short shunt

48.  In parallel operation of two DC compound generators provided with Interpoles, the equalizing bar must be connected to

   A. Inter pole fields only

   B. Series field only

   C. Junction of series and Interpole fields

   D. None of the above

49.  The main factor that leads to unstable parallel operation of flat or over compounded DC generators is

   A. Their rising voltage characteristics

   B. Unequal series field resistance

   C. Unequal speed regulation of their prime movers

   D. Their dropping voltage characteristics

50.  In the case of parallel operation of a DC compound wound generators, for property division of load from no load to full load, it is essential that they should have the same

   A. KW output rating

   B. Percentage regulation

   C. Series field resistance

   D. Speed of operation

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