GETCO Exam Paper (30-11-2008) If a combination of HRC fuse and a C.B. is employed, the C.B. operates for under all abnormal currents low over load currents this combination is never employed in practice short circuit currents under all abnormal currents low over load currents this combination is never employed in practice short circuit currents ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The disadvantage of transmission lines as compared to cables is exposure to atmosphere hazards like smoke, ice, etc. inductive interference between power communication circuits All of these exposure to lightening exposure to atmosphere hazards like smoke, ice, etc. inductive interference between power communication circuits All of these exposure to lightening ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking charging current no current fault current load current charging current no current fault current load current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Bulk-oil CBs can be used for voltage upto 66 kV 1.1 kV 33 kV 11 kV 66 kV 1.1 kV 33 kV 11 kV 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 5.8:1 12.1:1 17.2:1 10.0:1 5.8:1 12.1:1 17.2:1 10.0:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 11 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 11 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm ANSWER DOWNLOAD EXAMIANS APP
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