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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 | |
A. | less than 45°C [Wrong Answer] |
B. | more than 45°C [Correct Answer] |
C. | equal to 45°C [Wrong Answer] |
D. | initially decreases and remains constant thereafter. [Wrong Answer] |