Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

GETCO Exam Paper (30-11-2008)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

equal

in direct ratio of their ratings

in inverse ratio of their ratings

purely reactive

equal

in direct ratio of their ratings

in inverse ratio of their ratings

purely reactive

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GETCO Exam Paper (30-11-2008)
If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay.

none of these

lower than

equal to

higher than

none of these

lower than

equal to

higher than

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GETCO Exam Paper (30-11-2008)
The normal difference between transmission lines and distribution lines is

The quantity of current carried by the lines

The cross sectional area of the conductors

The operating voltage

The quantity of power being transmitted by the lines

The quantity of current carried by the lines

The cross sectional area of the conductors

The operating voltage

The quantity of power being transmitted by the lines

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GETCO Exam Paper (30-11-2008)
The function of a breather in a transformer is

to arrest flow of moisture into the tank

to provide protection against over currents

to control the level of oil in the tank

to suppress harmonics

to arrest flow of moisture into the tank

to provide protection against over currents

to control the level of oil in the tank

to suppress harmonics

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

66 kV

11 kV

1.1 kV

33 kV

66 kV

11 kV

1.1 kV

33 kV

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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.

negative sequence

zero sequence

self

positive sequence

negative sequence

zero sequence

self

positive sequence

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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008) Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

GETCO Exam Paper (30-11-2008) If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay.

GETCO Exam Paper (30-11-2008) The normal difference between transmission lines and distribution lines is

GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is

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

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)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

GETCO Exam Paper (30-11-2008)
If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay.

GETCO Exam Paper (30-11-2008)
The normal difference between transmission lines and distribution lines is

GETCO Exam Paper (30-11-2008)
The function of a breather in a transformer is

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

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