Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these No units for any quantity It has units for all quantities Need of transformation ratio All of these No units for any quantity It has units for all quantities Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by 75 × 0.736 × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. motor. transformer and transmission lines. generator. none of these. motor. transformer and transmission lines. generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 1500 Ω 1000 Ω 3000 Ω 750 Ω 1500 Ω 1000 Ω 3000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 14.76 A. 1 A. 14.7 mA. 1.476 A. 14.76 A. 1 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
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