Basic Electrical Questions and Answers

11. Double circuit transmission line will have

  1. 4 conductors including one earth conductor
  2. 6 conductors including one earth conductor
  3. 7 conductors including one earth conductor
  4. None of  the above
7 conductors including one earth conductor

12. Static electromagnetic induction is adopted in the following AC machine

  1. Generators
  2. Alternators
  3. Transformers
  4. All of the above
Transformers

13. In an electrical control panel the switching logic is obtained by using

  1. contactors
  2. fuses
  3. wires
  4. connectors
connectors

14. If a normal conductor is heated, the resistance

  1. Will decrease
  2. will not change
  3. Will increase
  4. will become nil
Will increase

15. The function of a transformer is to

  1. increase or decrease D.C. voltage
  2. increase or decrease A.C voltage
  3. increase or decrease frequency of A.C. voltage
  4. none of the above
increase or decrease A.C voltage

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!