SSC JE ELECTRICAL 2019 WITH SOLUTION SET-2 QUIZ

Minimum oil C.B. use oil for

insulation

lubrication

cooling

arc quenching

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Choose the word which is most nearly the OPPOSITE in meaning<br/>SECURE

offend

discover

endanger

defend

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Directional over current relays have two exciting coils connected across _ secondary's of two _ phases

P.T., different

T., different

T. & P.T., different

T. & P.T., same

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The power transmitted will be maximum when

reactance is high

sending end voltage is more

corona losses are least

receiving end voltage is more

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A material best suited for manufacturing of fuse wire is

aluminium

zinc

silver

copper

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Summation transformers are used in _____ relays.

earth-fault

pilot-wire

distance

carrier

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The planning Commission was set up in

January, 1948

March,1950

April, 1947

September, 1947

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A reactance relay is _ restrained _ relay.

voltage, over-current

direction, over-current

voltage, directional

direction, over-voltage

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Graded time lag over current relaying without directional features can be employed for protection of

parallel feeders

radial feeders

none of these

ring mains

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

the frequency at 50 Hz exactly

a constant power flow throughout

All of these

synchronism between machines and on external tie lines

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