The disadvantage of transmission lines as compared to cables is

GETCO Exam Paper (30-11-2008)
The disadvantage of transmission lines as compared to cables is

inductive interference between power communication circuits

All of these

exposure to atmosphere hazards like smoke, ice, etc.

exposure to lightening

inductive interference between power communication circuits

All of these

exposure to atmosphere hazards like smoke, ice, etc.

exposure to lightening

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

over load

large internal fault

saturation of magnetic circuit

any of the above

over load

large internal fault

saturation of magnetic circuit

any of the above

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GETCO Exam Paper (30-11-2008)
Highest voltage for transmitting electrical power in India is (in 2008)

765 kV

400 kV

550 kV

700 kV

765 kV

400 kV

550 kV

700 kV

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GETCO Exam Paper (30-11-2008)
With the increase in mechanical force applied, the contact resistance

remains unaltered

decreases

is unpredictable

increases

remains unaltered

decreases

is unpredictable

increases

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GETCO Exam Paper (30-11-2008)
Transfer of power between two power systems takes place with power flowing from the system with the

Greater leading power angle

Higher voltage level

Higher input current

Lagging power angle

Greater leading power angle

Higher voltage level

Higher input current

Lagging power angle

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GETCO Exam Paper (30-11-2008)
Transient stability of a power system depends on

fault-clearing time

All of these

the strength of transmission network

the short circuit ratio of generating units

fault-clearing time

All of these

the strength of transmission network

the short circuit ratio of generating units

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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008) The disadvantage of transmission lines as compared to cables is

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

GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008)

GETCO Exam Paper (30-11-2008) With the increase in mechanical force applied, the contact resistance

GETCO Exam Paper (30-11-2008) Transfer of power between two power systems takes place with power flowing from the system with the

GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on

GETCO Exam Paper (30-11-2008)
The disadvantage of transmission lines as compared to cables is

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

GETCO Exam Paper (30-11-2008)
Highest voltage for transmitting electrical power in India is (in 2008)

GETCO Exam Paper (30-11-2008)
With the increase in mechanical force applied, the contact resistance

GETCO Exam Paper (30-11-2008)
Transfer of power between two power systems takes place with power flowing from the system with the

GETCO Exam Paper (30-11-2008)
Transient stability of a power system depends on