Transformers Burden of a current transformer is usually expressed in Kilowatt Volt amperes Volts Amperes Kilowatt Volt amperes Volts Amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated None of these to reflect the line surge and save the winding of a transformer from damage to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to reflect the line surge and save the winding of a transformer from damage to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss Mechanical strength High permeability High thermal conductivity Low hysteresis loss Mechanical strength High permeability High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Oil cooled Air cooled None of the listed here Water cooled Oil cooled Air cooled None of the listed here Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
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