The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end TRUE ANSWER : ? YOUR ANSWER : ?
A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 25% 33.33% 66.66% TRUE ANSWER : ? YOUR ANSWER : ?
A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 20 10 4 TRUE ANSWER : ? YOUR ANSWER : ?
MCB stands for miniature circuit breaker. minimum capacity breaker. molded circuit breaker. maximum capacity breaker. TRUE ANSWER : ? YOUR ANSWER : ?
A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 100 A 2500 A 250 A TRUE ANSWER : ? YOUR ANSWER : ?
The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. regenerative cycle. binary vapor cycle. TRUE ANSWER : ? YOUR ANSWER : ?
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.25 0.4 0.5 0.75 TRUE ANSWER : ? YOUR ANSWER : ?
The insulation of the modern EHV lines is designed based on corona. the lighting voltage. R × I. the switch voltage. TRUE ANSWER : ? YOUR ANSWER : ?
In boiler water reactor (BWR) there is danger of radioactive contamination of steam. the feed water acts both coolant and a moderator. all of above. enriched uranium is used as fuel. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following effects are associated with transmission line ferranti effect corona effect skin effect All of these TRUE ANSWER : ? YOUR ANSWER : ?