Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Magnetostriction Zoom Boo Hum Magnetostriction Zoom Boo ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength High permeability Low hysteresis loss High thermal conductivity Mechanical strength High permeability Low hysteresis loss High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as ringing zoom buzz hum ringing zoom buzz hum ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these air blast cooling natural air cooling oil cooling Any of these air blast cooling natural air cooling oil cooling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS