Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean All of these To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean All of these To collect the dust particles from the flue gases ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. Load cycle tests. Thermal stability test. All of these. Impulse tests. Load cycle tests. Thermal stability test. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the positive sequence network All of these negative sequence network zero sequence network positive sequence network All of these negative sequence network zero sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 4 2 5 8 4 2 5 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 400 kV. 50 kV. 100 kV. 200 kV. 400 kV. 50 kV. 100 kV. ANSWER DOWNLOAD EXAMIANS APP
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