Transformers The amount of copper in the primary is _______that of secondary. About the same as Smaller than None of the listed here Greater than About the same as Smaller than None of the listed here Greater than ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Moisture Gases Sludge Odour Moisture Gases Sludge Odour ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is increased None of the listed here Remians unchanged Is decreased Is increased None of the listed here Remians unchanged Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP