Heat Transfer Quiz 01

by The Engineering Concepts ·

Results Share132 Tweet Share 132 Shares Share132 Tweet Share 132 Shares next #1. When vaporisation takes place directly at the heating surface, it is called film boiling film boiling nucleate boiling nucleate boiling vapour binding vapour binding none of these none of these next #2. Fourier’s law applies to the heat transfer by convection convection radiation radiation conduction conduction all (a), (b) & (c) all (a), (b) & (c) next #3. Choose the correct equation. Nu = (Re) (Pr) (Gz) Nu = (Re) (Pr) (Gz) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (St) Nu = (Re)(Pr) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Pr)(St) next #4. For heat flow through very thick walled cylinder, use____mean radius. arithmetic arithmetic logarithmic logarithmic geometric geometric either (a) or (c) either (a) or (c) next #5. Which of the following has maximum thermal conductivity at the same temperature? Steel Steel Petrol Petrol Air Air All have the same conductivity All have the same conductivity finish

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  Heat Transfer Quiz 02

   by The Engineering Concepts

   by The Engineering Concepts · Published