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 Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower tube side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be More than 45°C Less than 45°C Initially decreases and remains constant thereafter Equal to 45°C More than 45°C Less than 45°C Initially decreases and remains constant thereafter Equal to 45°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 20 30 10 1 20 30 10 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical Occupies smaller space All of these Is easy to operate and maintain Is more economical Occupies smaller space All of these Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to Either more or less than (depending upon the fluid) More than Less than Equal to Either more or less than (depending upon the fluid) More than Less than ANSWER DOWNLOAD EXAMIANS APP
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