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 10.0:1 12.1:1 5.8:1 17.2:1 10.0:1 12.1:1 5.8:1 17.2:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The recovery voltage will be maximum for p.f. of unity zero 0.5 0.707 unity zero 0.5 0.707 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Graded time lag over current relaying without directional features can be employed for protection of radial feeders ring mains none of these parallel feeders radial feeders ring mains none of these parallel feeders ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In an over current protection, the setting of earth fault relay is _____ the phase fault relay. more than equal to not related in less than more than equal to not related in less than ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008) 550 kV 400 kV 765 kV 700 kV 550 kV 400 kV 765 kV 700 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When transformers or switchgears are to be installed in a transmission line, the poles used are J type L type I type H type J type L type I type H type ANSWER DOWNLOAD EXAMIANS APP
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