Power Systems Advantages of per unit system is/are Need of transformation ratio No units for any quantity It has units for all quantities All of these Need of transformation ratio No units for any quantity It has units for all quantities All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine total units of energy available. load factory at the plant. diversity factor for the plant. total power available at the site. total units of energy available. load factory at the plant. diversity factor for the plant. total power available at the site. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.6 lead 0.8 lead 0.8 lag 0.6 lag 0.6 lead 0.8 lead 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because relative low vaporization pressure. higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. relative low vaporization pressure. higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. ANSWER DOWNLOAD EXAMIANS APP
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 To collect the dust particles from the flue gases All of these To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean To collect the dust particles from the flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
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