Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 52 Ω 33 Ω 40 Ω 28 Ω 52 Ω 33 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased the resistance is increased the inductance is decreased no change in inductance and resistance the inductance is increased the resistance is increased the inductance is decreased no change in inductance and resistance the inductance is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce interference with neighbouring communication lines ferranti effect proximity effect skin effect interference with neighbouring communication lines ferranti effect proximity effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to improve condenser performance. utilize heat of flue gases. increase thermal efficiency. reduce loss of heat. improve condenser performance. utilize heat of flue gases. increase thermal efficiency. reduce loss of heat. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? beryllium heavy water All of these graphite beryllium heavy water All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is PVC porcelain mica glass PVC porcelain mica glass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS