Q. What is the symbol used for length?

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Q. What is the symbol used for time?

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Q. What is the symbol used for gravity?

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Q. What is the symbol used for dynamic viscosity?

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Q. What is the symbol used for thermal conductivity?

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Q. What is the symbol used for specific heat?

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Q. What is the symbol used for convective film coefficient?

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Q. What is the symbol used for kinematic viscosity?

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Q. What is the symbol used for coefficient of volumetric expansion?

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Q. Which of the followings is a wrong statement?
The shape factor is equal to one

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Q. Establish a relation for the shape factor of cylindrical cavity with respect to itself of depth h and diameter d. The cavity is closed on its outer surface with a flat plate

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Q. The reciprocity theorem states that (Where symbols have their usual meanings)

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Q. Two radiating surface A 1 = 6 m² and A 2 = 4 m² have shape factor F 12 = 0.1. Then the shape factor F 21 will be

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Q. What is the value of shape factor for two infinite parallel surfaces separated by a distance x?

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Q. What is the shape factor of a sphere of diameter d inside a cubical box of length l = d?

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Q. What is the shape factor of hemispherical surface closed by a plane surface of diameter d?

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Q. Establish a relation for shape factor for a conical cavity with respect to itself of depth h and diameter d. The cavity is closed on its outer surface with a flat plate

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Q. What is the shape factor for a hemispherical bowl with respect to itself of diameter d? The cavity is closed on its outer surface with a flat plate

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Q. Consider a system of concentric spheres of radius r 1 and r 2 (r 2 is greater than r 1). If r 1 = 5 cm, determine the radius r 2 if it is desired to have the value of shape factor F 21 equal to 0.6

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Q. In the given diagram let r be the length of the line of propagation between the radiating and the incident surfaces. What is the value of solid angle W?

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