GETCO Exam Paper (30-11-2008) Summation transformers are used in _____ relays. pilot-wire carrier earth-fault distance pilot-wire carrier earth-fault distance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 12.1:1 5.8:1 17.2:1 10.0:1 12.1:1 5.8:1 17.2:1 10.0:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The load carrying capability of a long transmission line is increased at low ambient air temperature may be limited by stability considerations both (a) & (b) is always limited by conductor area is increased at low ambient air temperature may be limited by stability considerations both (a) & (b) is always limited by conductor area ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In distance protection, the relay measures _____ impedance of the line from relay up to the fault point. positive sequence negative sequence self zero sequence positive sequence negative sequence self zero sequence ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transfer of power between two power systems takes place with power flowing from the system with the Higher voltage level Higher input current Greater leading power angle Lagging power angle Higher voltage level Higher input current Greater leading power angle Lagging power angle ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay. none of these higher than equal to lower than none of these higher than equal to lower than ANSWER DOWNLOAD EXAMIANS APP