Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Conservator Horn gaps Thermal overload relays Breather Conservator Horn gaps Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 1.7 V 0.85 V 0 V 1 V 1.7 V 0.85 V 0 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated 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 None of these to reflect the line surge and save the winding of a transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine None of these stray losses all-day efficiency temperature None of these stray losses all-day efficiency temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Circular type Rectangular type Sandwich type Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
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