The equation of area control error(ACE) is ACE = ΔPtie - 1/b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf TRUE ANSWER : ? YOUR ANSWER : ?
Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation All of these reduction of KVA rating of distribution transformers reduction in distribution power loss TRUE ANSWER : ? YOUR ANSWER : ?
A buchholz relay is used for nether 1 nor 2 protection of a transformer against all internal faults protection of a transformer against all external faults both 1 and 2 TRUE ANSWER : ? YOUR ANSWER : ?
When a pumped storage power plant is operated in conjunction with a steam power plant the operating cost of the steam plant become optimum chances of the tripping of the system decrease All of these load factor of the steam plant is increased TRUE ANSWER : ? YOUR ANSWER : ?
The skin effect shows that current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor TRUE ANSWER : ? YOUR ANSWER : ?
Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss from turbine exhaust to condenser. high energy loss in boiler. low steam turbine mechanical efficiency. low alternative efficiency. TRUE ANSWER : ? YOUR ANSWER : ?
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§? 200 Ω 400 Ω 160 Ω 320 Ω TRUE ANSWER : ? YOUR ANSWER : ?
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. 10 sec. 5 sec. none of these. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are the fissile materials None of these. U235 and Th239. U238 and Th232. U235, U233 and Pu239. TRUE ANSWER : ? YOUR ANSWER : ?
A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are 175, 125 150, 150 100, 200 200, 100 TRUE ANSWER : ? YOUR ANSWER : ?