Open circuit test on transformers is conducted to determine____________?

Related Mcqs:

In the transformer following winding has got more cross-sectional area______________?

A. Low voltage winding B. High voltage winding C. Primary winding D. Secondary winding...

The transformer ratings are usually expressed in terms of______________?

A. volts B. amperes C. kW D. kVA...

Star/star transformers work satisfactorily when________________?

A. load is unbalanced only B. load is balanced only C. on balanced as well as unbalanced loads D. none of the above...

The transformer oil should have _______ volatility and _______ viscosity?

A. low,low B. high,high C. low,high D. high,low...

In a power or distribution transformer about 10 per cent end turns are heavily insulated__________?

A. to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns B. to absorb the line surge voltage and save the winding of transformer from damage C. to reflect the line surge and save the winding of a transformer from damage D. none of the above...