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7.9k
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Write a short note
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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In a straight tube of 60 mm diameter, water is flowing at a velocity of 12 m/s.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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Find the heat transfer per unit length of the pipe and comment on the results in both cases.
heat transfer updated 4.6 years ago by teamques10 ★ 65k
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Calculate the fluid outlet temperature for the counter flow and parallel flow arrangements.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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7.0k
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Define effectiveness and NTU of a heat exchanger.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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6.8k
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Show that the radiant heat transfer between two infinitely large parallel plates seprated by n shield is
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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6.6k
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Define the natural convection and state few practical examples of it.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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6.3k
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Calculate the temperature at the center and also find the heat flow from the outer surface.
heat transfer updated 4.6 years ago by teamques10 ★ 65k
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Two pin fins are identical except that the diameter of one is twice of other. For which fin will i) Fin Effectiveness (ii) Fin efficiency be higher.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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6.0k
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Distinguish between specular and diffuse radiation.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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5.8k
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Derive an expression for shape factor in the following cases
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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5.4k
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state the different sources of heat in metal cutting.
heat transfer updated 2.1 years ago by sagarkolekar ★ 11k
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5.4k
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Discuss in brief various modes of Boiling.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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A standard cast iron pipe (inner diameter = 50 mm and outer diameter= 55mm) is insulated with magnesium insulation (k=0.02W/mK).Temperature at the interface between the pipe and insulation is
heat transfer updated 4.6 years ago by teamques10 ★ 65k
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The net radiation from the surfaces of two parallel plates maintained at temperature T1 and T2 is to be reduced by 79 times.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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5.1k
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1
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Determine heat loss per meter length of duct corresponding to unit temperature difference.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.6k
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What is the mode of heat transfer in vacuum? Define absorptivity, reflectivity and transmissivity.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.6k
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Explain the number of transfer units (NTU).
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.5k
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Calculate the surface area.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.4k
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What is Heat Exchanger? Define heat exchanger effectiveness.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.3k
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Draw a neat boiling curve for water and mark the different regimes.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.2k
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Discuss Electrical analogy of combined heat conduction and convection in a composite wall
heat transfer updated 4.6 years ago by teamques10 ★ 65k
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4.1k
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Explain Reynolds analogy.
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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4.1k
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What is fouling in Heat Exchangers?
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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Determine heat lost by radiation per meter length of 80 mm diameter pipe at 300deg C, if
heat transfer updated 4.0 years ago by teamques10 ★ 65k
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