Q. Which of the following is the unit of thermal resistance?

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Q. Thermal conductivity is defined as the heat flow per unit time

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Q. Mark the matter with least value of thermal conductivity

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Q. Which one of the following forms of water have the highest value of thermal conductivity?

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Q. The average thermal conductivities of water and air conform to the ratio

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Q. Identify the very good insulator

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Q. Most metals are good conductor of heat because of

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Q. Heat conduction in gases is due to

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Q. The heat energy propagation due to conduction heat transfer will be minimum for

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Q. Cork is a good insulator because

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Q. Choose the false statement

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Q. What is the thermal conductivity of asphalt in W/m K?

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Q. Which one is having highest thermal conductivity?

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Q. What is the thermal conductivity of magnetite in W/m K?

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Q. Which one is having lowest thermal conductivity?

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Q. What is the thermal conductivity of coal in W/m K?

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Q. What is the thermal conductivity of cotton in W/m K?

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Q. What is the thermal conductivity of apple in W/m K?

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Q. What is the thermal conductivity of ice in W/m K?

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Q. From the concept of kinetic theory, mean travel velocity of the gas molecules is prescribed by the relation
Where,
G = Universal gas constant
M = Molecular weight of the gas
T = Absolute temperature

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