Power Systems The most commonly used material for insulators of overhead lines is glass porcelain PVC mica glass porcelain PVC mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. anthracite coal. bituminous coal. coal gas. lignite coal. anthracite coal. bituminous coal. coal gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? impedance relay reverse power relay distance relays offset mho relay impedance relay reverse power relay distance relays offset mho relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems 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 4 10 8 20 4 10 8 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in mutual geometrical mean distance both 1 and 2 increase in height of conductors above ground neither 1 nor 2 increase in mutual geometrical mean distance both 1 and 2 increase in height of conductors above ground neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Choice of slack bus affects the convergence Unreliable convergence A good initial guess for voltages is essential for convergence Slow convergence Choice of slack bus affects the convergence Unreliable convergence A good initial guess for voltages is essential for convergence Slow convergence ANSWER DOWNLOAD EXAMIANS APP
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