Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on air side shell and tube type double pipe type with fin on steam side plate type double pipe type with fin on air side shell and tube type double pipe type with fin on steam side plate type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Both solids & liquids Liquids Gases Solids Both solids & liquids Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.38-0.78 100-1000 5-50 0.5-50 0.38-0.78 100-1000 5-50 0.5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube pitch No. of baffles Tube layout Tube diameter Tube pitch No. of baffles Tube layout Tube diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a None of these Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Roughening the surface Painting the surface white (with aluminium paint) Giving the surface a mirror finish Painting the surface black Roughening the surface Painting the surface white (with aluminium paint) Giving the surface a mirror finish Painting the surface black ANSWER DOWNLOAD EXAMIANS APP
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