Saturday, July 30, 2016

Questions Based On DC Derives



Q1:- Type of D.C. drives is 

  1. regenerative 
  2. non regenerative 
  3. single phase D.C. drives
  4. all
ANSWER:- 4



Q2:- Which of the following is true for regenerative D.C. drive 

  1. by it speed of motor can be control in both direction
  2. by it can be control motor's speed and torque direction 
  3. both 1 and 2 
  4. none of the above 
ANSWER:-3



Q3:- Which of the following is true for non regenerative d.c. drive 

  1. by it speed of motor and direction of the rotation can control in only one direction
  2. it is cheaper than regenerative drive 
  3. both 1 and 2 
  4. none of the above
ANSWER:-3



Q4:- To increases the motor speed from base speed used 

  1. voltage regulator 
  2. regulator 
  3. field regulator 
  4. none of the above 
ANSWER:-3



Q5:- To decrease the motor's speed from base speed used 

  1. voltage regulator
  2. field regulator
  3. thyristor circuit
  4. none 
ANSWER:-2




1 comment:

  1. the type of dc current we use to run 3 Phase motor and other equipment who already install at home thats why both 1 and 2 is currect

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