Thermal conductivity of a material may be defined as the-A-quantity of heat flowing in one second through a slab of the material of area 1 cm2 and thickness 1 cm when its faces differ in temperature by 1° CB-quantity of heat flowing in one second through one cm of material when opposite faces are maintained at a temperature difference of 1° CC-heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite facesD-all of the above-D-all of the above

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Thermal conductivity of a material may be defined as the-A-quantity of heat flowing in one second through a slab of the material of area 1 cm2 and thickness 1 cm when its faces differ in temperature by 1&deg; CB-quantity of heat flowing in one second through one cm of material when opposite faces are maintained at a temperature difference of 1&deg; CC-heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite facesD-all of the above-D-all of the above

APTITUDE CRACK · Accepted Answer

The correct option is  D all of the above Explanation: No answer description is available.

Heat Transfer Refrigeration and Air Conditioning

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Heat Transfer Refrigeration and Air Conditioning

Q1: Thermal conductivity of a material may be defined as the

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