Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using HP steam. direct heat in the furnace. LP steam. flue gas. HP steam. direct heat in the furnace. LP steam. flue gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true None of above. R/L = C/G. R/L = G/C. R = O, G = O. None of above. R/L = C/G. R/L = G/C. R = O, G = O. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? 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 To remove dust particles setting on the bus bar conductors in the station switch yard ANSWER DOWNLOAD EXAMIANS APP
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