Power Systems
In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor

 kinetic energy and sound energy.
 heat energy.
 electromagnetic radiations.
  kinetic energy of particles and electromagnetic radiation.

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Power Systems
An hydro-graph indicates

All of these
 the average run off during the period.
 the discharge at any time during the period under consideration.
 the maximum and minimum run off during the period.

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