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Power Systems

Power Systems
Surge tank is kept very close to the

 turbine
 spill way
 generator
 pen stock

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Power Systems
Sparse matrix is matrix which contain

 less number of memory elements
 more number of non zeros
 more number of zeros
 more number of memory elements

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Power Systems
Rating of fuse wire is expressed in

  Ampere.
  Watts.
 ÃŽÂ©.
  Mho.

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Power Systems
On what factors does the selection of a water turbine depend

  All of above.
 Nature of load.
 Speed.
 Working head.

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

 Differential relay
 Over current relay
 Over fluxing relay
 Buchholz relay

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Power Systems
What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system?

 Sulphur hexafluoride CB
 Air blast CB
 Bulk oil type CB
 Vacuum CB

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