Power Systems If we increase the spacing between the phase conductors, the value of line inductance decrease remains unaffected None of these increase decrease remains unaffected None of these increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.4 pu 0.2 pu 0.1 pu 0.5 pu 0.4 pu 0.2 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 500 ohms 5 ohms 0.5 ohm 50 ohms 500 ohms 5 ohms 0.5 ohm 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. ANSWER DOWNLOAD EXAMIANS APP
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