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The amount of heat flow through a body by conduction is

A. Directly proportional to the surface area of the body

B. Directly proportional to the temperature difference on the two faces of the body

C. Dependent upon the material of the body

D. All of the above

Answer: Option D

Solution(By Examveda Team)

The amount of heat flow through a body by conduction is - Directly proportional to the surface area of the body - Directly proportional to the temperature difference on the two faces of the body - Dependent upon the material of the body

This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer

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Comments ( 1 )

  1. V UMA
    V UMA :
    4 years ago

    Since Q = -K A ♢T
    Here Q - Heat flow
    K - Thermal conductivity / material property
    A - Surface Area
    ♢T - Temperature Difference ( T1 - T2 )

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