Power Systems
The draw back of NR method as compare to Gauss-Seidel method is/are?

 large requirement of computer memory
 large number of iterations
None of these
 both 1 and 2

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Power Systems
In boiler water reactor (BWR)

 enriched uranium is used as fuel.
 the feed water acts both coolant and a moderator.
  all of above.
 there is danger of radioactive contamination of steam.

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