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Power Systems

Power Systems
If the penalty factor of a plant is unity, its incremental transmission loss is

 -1
None of these
 0
 1

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Power Systems
Which one of the following relays has the capability of anticipating the possible major fault in a transformer?

 Over fluxing relay
 Over current relay
 Differential relay
 Buchholz relay

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Power Systems
Surge impedance loading of a transmission line can be increased by

 addition of lumped inductance in parallel
 addition of lumped capacitance in series
 both 1 and 3
 increasing its voltage level

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Power Systems
String chart is drawn between

 nether 1 nor 2
 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis
 T on Y-axis and S and T on on X-axis
 both 1 and 2

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

 Th232.
  U235.
 Pu239.
 U238.

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Power Systems
Plug setting of a relay can be altered by varying

 adjustable back up stop.
 no. of ampere-turns.
 air gap of magnetic path.
 none of these.

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