Heat Transfer In SI units, fouling factor is expressed in W/m²°K m²°K/W m²°K m°K/W W/m²°K m²°K/W m²°K m°K/W ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower shell side pressure drop Lower tube side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower shell side pressure drop Lower tube side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Increases Decreases May increase or decrease ; depends on the material Remains constant Increases Decreases May increase or decrease ; depends on the material Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Long tube High pressure Falling film None of these Long tube High pressure Falling film None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Impart structural strength Increase the heating load Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Impart structural strength Increase the heating load Facilitate increase of shell length, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt³ Δt Δt² √Δt Δt³ Δt Δt² √Δt ANSWER DOWNLOAD EXAMIANS APP
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