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GATE 2023 II Heat transfer II Rank Booster Quiz 46

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Question 1

The temperature distribution in a large thin plate with uniform surface temperature will be (Assume steady state condition)

Question 2

The temperature gradient in the conduction heat transfer is_____.

Question 3

The unit of thermal diffusivity is

Question 4

The physical signification of thermal diffusivity is

Question 5

The generalized 1-D heat conduction is given  for sphere. The value of ‘n’ is ________.

Question 6

The generalized heat conduction equation which gives the temperature distribution is given by

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If there is no heat generation inside the body, then this equation is known as

Question 7

The temperature distribution in a large concrete slab in one dimension is T(x) = 4x3 + 3x2 + 4x + 5, where T is temperature in °C and x is distance in meter from one face towards the other face of wall. Thickness of slab is 1 m. Thermal diffusivity of wall is 2 × 10–3 m2/hr. What is the rate of change of temperature at the other face of wall?
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