Heat-transfer Questions Set 14:
What is the critical radius of insulation for a spherical surface?
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The non-dimensional factor α τ / l^2 is called?
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What is the critical radius of insulation for a cylindrical surface?
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As relative humidity decreases, what will happen to the dew point temperature (DPT)?
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Which type of heat exchanger has the highest overall heat transfer coefficient?
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Find the Biot number if the convective heat transfer coefficient is 60 W/m²·K, thermal conductivity is 200 W/m·K, and the characteristic length is 0.025 m.
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Which is true regarding a complete rectangular furnace?
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A reversible engine has an ideal thermal efficiency of 20%. When it is used as a refrigerating machine with all other conditions unchanged, what will be the coefficient of performance?
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Which statement is true about the steady state condition?
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The temperature distribution inside a cylinder with uniform heat generation is
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