Steady - state stability limit of a power system means that the system is capable of maintaining

GETCO Exam Paper (30-11-2008)
Steady - state stability limit of a power system means that the system is capable of maintaining

the frequency at 50 Hz exactly

All of these

a constant power flow throughout

synchronism between machines and on external tie lines

the frequency at 50 Hz exactly

All of these

a constant power flow throughout

synchronism between machines and on external tie lines

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

saturation of magnetic circuit

large internal fault

any of the above

over load

saturation of magnetic circuit

large internal fault

any of the above

over load

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GETCO Exam Paper (30-11-2008)
When transformers or switchgears are to be installed in a transmission line, the poles used are

J type

H type

L type

I type

J type

H type

L type

I type

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GETCO Exam Paper (30-11-2008)
The delay fuses are used for protection of

motors

none of these

fluorescent lamp

light circuits

motors

none of these

fluorescent lamp

light circuits

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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

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

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

inductive interference between power communication circuits

All of these

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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008) Steady - state stability limit of a power system means that the system is capable of maintaining

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

GETCO Exam Paper (30-11-2008) When transformers or switchgears are to be installed in a transmission line, the poles used are

GETCO Exam Paper (30-11-2008) The delay fuses are used for protection of

GETCO Exam Paper (30-11-2008) In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.

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

GETCO Exam Paper (30-11-2008)
Steady - state stability limit of a power system means that the system is capable of maintaining

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

GETCO Exam Paper (30-11-2008)
When transformers or switchgears are to be installed in a transmission line, the poles used are

GETCO Exam Paper (30-11-2008)
The delay fuses are used for protection of

GETCO Exam Paper (30-11-2008)
In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.

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