UPPCL-JE Recruitment 2017 Quiz 12

A thermal power station has a boiler efficiency of 85% and turbine efficiency of 90%. The thermal efficiency of the station is

The thermal efficiency of a steam power station is about

In order to reduce the cost of generation of electrical energy, the values of diversity factor (D.F.) and load factor (L.F.) should be

A load draws active power (P), apparent power (S) and reactive power (Q) from the line. The power factor of the load is

The string efficiency of a string of suspension insulators is dependent on

The number of discs in a string of insulators for 400 kV a.c. overhead transmission line lies in the range of