Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits High fluidity Abundance & high heat capacity Low density Low viscosity High fluidity Abundance & high heat capacity Low density Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a cooling tower, water becomes cool by Loosing sensible heat Vaporisation due to heat loss to air Loosing latent heat Heat transfer to surroundings Loosing sensible heat Vaporisation due to heat loss to air Loosing latent heat Heat transfer to surroundings ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Open pan None of these Long tube Agitated film Open pan None of these Long tube Agitated film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a higher shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a lower shell side pressure drop Gives a higher shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy 1/εx + 1/εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Both B & C Feed temperature Number of effect Steam pressure Both B & C Feed temperature Number of effect Steam pressure ANSWER DOWNLOAD EXAMIANS APP
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