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 Water always boils when its Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Condenser Heat exchanger Steam jacketed kettle Multiple effect evaporator Condenser Heat exchanger Steam jacketed kettle Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the distance between the heat source and the object receiving the heat none of the listed here surface area and temperature of the heat source type of absorbing surface distance between the heat source and the object receiving the heat none of the listed here surface area and temperature of the heat source type of absorbing surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following situations can be approximated to a steady state heat transfer system? A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to reduce the economy all of the listed here reduce the capacity increase the economy reduce the economy all of the listed here reduce the capacity increase the economy ANSWER DOWNLOAD EXAMIANS APP
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