Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect All of these unsymmetrical fault skin effect corona effect All of these unsymmetrical fault skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in coal gas. lignite coal. bituminous coal. anthracite coal. coal gas. lignite coal. bituminous coal. anthracite coal. 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 20 8 10 4 20 8 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near dam. tail race. turbine. reservoir. dam. tail race. turbine. reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.30 0.0060 0.0030 0.60 0.30 0.0060 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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