Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr, Re Nu, Pr Nu, Gz Re.Gz Nu, Pr, Re Nu, Pr Nu, Gz Re.Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? none of the listed here Grashhoff number Reynolds number Prandtl number none of the listed here Grashhoff number Reynolds number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. no the largest the least lower no the largest the least lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m.k² W/m.k W/m None, A is just a number W/m.k² W/m.k W/m None, A is just a number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Liquids Gases Solids Both solids & liquids Liquids Gases Solids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Falling film Long tube None of these High pressure Falling film Long tube None of these High pressure ANSWER DOWNLOAD EXAMIANS APP
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