Power Systems If sag in an overhead line increase, tension in the line decrease None of these remains same increase decrease None of these remains same increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Power line either 1 or 2 Both power and telecommunication lines None of these Power line either 1 or 2 Both power and telecommunication lines None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near dam. reservoir. tail race. turbine. dam. reservoir. tail race. turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance increases remains unaffected None of these decreases increases remains unaffected None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn IN × Xn IR0 × Xn both 1 and 3 3×IR0 × Xn IN × Xn IR0 × Xn both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum All of these used as load frequency control most economical as a peak load supply plant operating time is minimum All of these used as load frequency control most economical as a peak load supply plant ANSWER DOWNLOAD EXAMIANS APP