Power Systems Which of the following is/are the disadvantages of phase modifiers? Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these It consumes both active and reactive power Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in None of these the increasing order. neither increasing nor decreasing order. the decreasing order. None of these the increasing order. neither increasing nor decreasing order. the decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Diesel power plant. Hydro power plant. Steam power plant. Nuclear power plant. Diesel power plant. Hydro power plant. Steam power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as base load plant peak load plant None of these both 1 and 2 base load plant peak load plant None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is mica glass porcelain PVC mica glass porcelain PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH ANSWER DOWNLOAD EXAMIANS APP