Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Hysteresis Eddy current Friction Copper Hysteresis Eddy current Friction Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 18 5.5 0.018 0.18 18 5.5 0.018 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature Stray losses All day efficiency None of the listed here Temperature Stray losses All day efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Smaller than Greater than About the same as None of the listed here Smaller than Greater than About the same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS