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Refractory bricks having high thermal conductivity is desirable, when it is to be used in the?
Answer: Option 4 Let'
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Thermal diffusivity of a refractory brick is high, when its __________ is high.?
Answer: Option 3 Let'
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Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity)?
Answer: Option 1 Thermal Diffusivity is defined as the ratio of heat conducted to the heat energy stored per unit volume of a material.the thermal conductivity of a substance divided...
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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)?
Answer: Option 2 Let'
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The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be?
Answer: Option 3 Let'
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Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
Answer: Option 2 Let'
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Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
Answer: Option 1 Let'
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Which of the following is the best tube material from thermal conductivity point of view alone?
Answer: Option 3 Let'
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Which of the following is not a high alumina refractory material?
Answer: Option 4 Let'
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