Transformers The maximum efficiency of a distribution transformer is at full load at 80% full load at no load at 50% full load at full load at 80% full load at no load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only electrically Magnetically as well as electrically Only magnetically None of the listed here Only electrically Magnetically as well as electrically Only magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Odour Gases Moisture Sludge Odour Gases Moisture Sludge ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Kilowatt Amperes Volt amperes Volts Kilowatt Amperes Volt amperes Volts ANSWER DOWNLOAD EXAMIANS APP