ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

11) The no load voltage of a generator is 230 V and the rated load voltage is 200V, then the voltage regulation is

Answer is:

15%

12) The transformer oil used in transformer provides

Answer is:

insulation and cooling

13) The main purpose of performing open circuit test at rated voltage is to measure

Answer is:

core loss

14) Buchholz relay is a

Answer is:

gas actuated device

15) Transformers are rated in

Answer is:

KVA