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Assertion: installed renewable capacity may be compared directly with installed thermal capacity. Reason: both are expressed in megawatts.

  • A.the assertion is true but the reason given for it is false
  • B.the assertion is false although the reason offered is a true statement in itself
  • C.both the assertion and the reason are true and the reason explains the assertion
  • D.both the assertion and the reason are true but the reason does not explain the assertion

Answer: B

Both are in megawatts, which is what makes the comparison tempting, but a solar megawatt yields about a fifth of a coal megawatt's annual energy. Comparing the energy generated, or applying a capacity utilisation factor, is the only sound method.

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