Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 66.66% 25% 75% 33.33% 66.66% 25% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of long transmission lines only All of these short transmission lines only medium transmission lines only long transmission lines only All of these short transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Hydro electric. Petrol engine. Diesel engine. Thermal. Hydro electric. Petrol engine. Diesel engine. Thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems India 1st nuclear plant was set up at Kalpakkam. Tarapur. Rana pratap sagar. Bhaba. Kalpakkam. Tarapur. Rana pratap sagar. Bhaba. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon resistance of the system only capacitance of the system only inductance of the system only both 1 and 2 resistance of the system only capacitance of the system only inductance of the system only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP