Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant load factor of the steam plant is increased 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 the operating cost of the steam plant become optimum chances of the tripping of the system decrease All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 4.28 pu 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine inward radial flow impulsive any of the above axial flow inward radial flow impulsive any of the above axial flow ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? lightning arrester current transformer CVT circuit breaker lightning arrester current transformer CVT circuit breaker ANSWER DOWNLOAD EXAMIANS APP