Transformers The short circuit test helps us to find Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Water cooled Air cooled Oil cooled None of the listed here Water cooled Air cooled Oil cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 100 W 200 W 400 W None of the listed here 100 W 200 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is less than one None of these great than one approximately equal to one less than one None of these great than one approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 18 0.018 0.18 5.5 18 0.018 0.18 ANSWER DOWNLOAD EXAMIANS APP
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