The following formula is correct: Load factor = Average load for a period + Peak load for the same period Load factor = Average load for a period x Peak load for the same period All of these Load facto r= Average load for a period/Peak load for the same period TRUE ANSWER : ? YOUR ANSWER : ?
Earthing switch is used for? Discharging residual energies Protection of equipment from ground faults Measuring of safety voltage All of these TRUE ANSWER : ? YOUR ANSWER : ?
Capacitance is the ability of a body to store an _____ voltage electric current electrical charge All of these TRUE ANSWER : ? YOUR ANSWER : ?
The main disadvantages of having poor power factors are: High cost of station and distribution equipment Poor voltage regulation High energy loss in conductor All of these TRUE ANSWER : ? YOUR ANSWER : ?
For 11 kV line the capacitance per km per phase will be of the order of: 0.1 Farad 0.01 Farad 0.01 microF 1 Farad TRUE ANSWER : ? YOUR ANSWER : ?
Induction cup relay is operated due to changes in : Voltage Current Impedance All of these TRUE ANSWER : ? YOUR ANSWER : ?
One kilowatt-hour is? 1.6 mega joules None of these 3.6 mega joules 2.6 mega joules TRUE ANSWER : ? YOUR ANSWER : ?
A Step Up transformer : Step up the level of Frequency (a) and (b) only Steps down the level of current Steps up the level of Voltage TRUE ANSWER : ? YOUR ANSWER : ?
The overall efficiency of Thermal Power Plant is equal to _____ Regenerative Cycle Efficiency Carnot cycle efficiency None of these Renkine Cycle Efficiency TRUE ANSWER : ? YOUR ANSWER : ?