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Why are the spirit and kerosene lamps made in such a way that the free end of the wicks with the flame remains totally cut off from the level? i) The fuel vapourises at room temperature ii) The fuel is highly inflammable. iii) The calorific value of fuel can be increased.

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An Intiative by Sri Chaitanya

Only i and ii

Only ii and iii

Only i and iii

i, ii and iii

answer is A.

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Detailed Solution

The fuel vaporizes at room temperature and The fuel is highly inflammable. So we need to arrange free end of wick totally cut off from the level of fuel

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