Transformers The core type transformer is generally suitable for ______ High voltage and small output Low voltage and high output None of the listed here High voltage and high output High voltage and small output Low voltage and high output None of the listed here High voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Mica Cellulose Glass fibre Asbestos Mica Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 5 25 0.4 0.2 5 25 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Iron losses Friction losses Total losses Copper losses Iron losses Friction losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density ANSWER DOWNLOAD EXAMIANS APP