Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.2 mm. 0.4 mm. 2 mm. 4 mm. 0.2 mm. 0.4 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for nether 1 nor 2 protection of a transformer against all internal faults both 1 and 2 protection of a transformer against all external faults nether 1 nor 2 protection of a transformer against all internal faults both 1 and 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of inductance value increasing of voltage level both 1 and 2 increasing of capacitance value increasing of inductance value increasing of voltage level both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in amperes. kWh. ampere-volts. ampere-hours. amperes. kWh. ampere-volts. ampere-hours. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is none of these. SF6 breaker. air blast circuit breaker. oil circuit breaker. none of these. SF6 breaker. air blast circuit breaker. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS