EXAMIANS
Heat flows from one body to other when they have
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Cork is a good insulator because it has
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Temperature of steam at around 540°C can be measured by
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Absorptivity of a body will be equal to its emissivity
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Which of the following is expected to have highest thermal conductivity?
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According to Kirchoff's law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a
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In free convection heat transfer transition from laminar to turbulent flow is governed by the critical value of the
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Which of the following would lead to a reduction in thermal resistance?
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Unit of thermal conductivity in S.I. units is
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The energy distribution of an ideal reflector at higher temperatures is largely in the range of
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