Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008)
Interconnected power systems operating with "tie line bias" will respond to

tie line load changes only

frequency changes only

tie line voltage changes only

both frequency and tie line load changes

tie line load changes only

frequency changes only

tie line voltage changes only

both frequency and tie line load changes

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (30-11-2008)
Bulk-oil CBs can be used for voltage upto

11 kV

33 kV

66 kV

1.1 kV

11 kV

33 kV

66 kV

1.1 kV

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (30-11-2008)
Which of the following connection of transformer will give the highest secondary voltage?

Delta primary, star secondary

Delta primary, delta secondary

star primary, star secondary

star primary, delta secondary

Delta primary, star secondary

Delta primary, delta secondary

star primary, star secondary

star primary, delta secondary

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (30-11-2008)
The effect of wind pressure is more predominant on

supporting towers

transmission lines

neutral wires

insulator

supporting towers

transmission lines

neutral wires

insulator

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GETCO Exam Paper (30-11-2008)
A buchholz will operate in a transformer whenever there is

any of the above

saturation of magnetic circuit

over load

large internal fault

any of the above

saturation of magnetic circuit

over load

large internal fault

ANSWER EXPLANATION 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

10.0:1

17.2:1

5.8:1

12.1:1

10.0:1

17.2:1

5.8:1

12.1:1

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008) Bulk-oil CBs can be used for voltage upto

GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage?

GETCO Exam Paper (30-11-2008) The effect of wind pressure is more predominant on

GETCO Exam Paper (30-11-2008) A buchholz will operate in a transformer whenever there is

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

GETCO Exam Paper (30-11-2008)
Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008)
Bulk-oil CBs can be used for voltage upto

GETCO Exam Paper (30-11-2008)
Which of the following connection of transformer will give the highest secondary voltage?

GETCO Exam Paper (30-11-2008)
The effect of wind pressure is more predominant on

GETCO Exam Paper (30-11-2008)
A buchholz will operate in a transformer whenever there is

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