Question:-
In a one ton capacity water cooler, water enters at 30°C at the rate of 200 liters per hour. The outlet temperature of water will be (sp. heat of water = 4.18 kJ/kg K)
Option (A)
3.5°C
Option (B)
6.3°C
Option(C)
23.7°C
Option(D)
15°C
Correct Option:
(D)
Question Solution:
3.5 x 3600 = 4.18 x 200(300-x)
\ x = 15°C
question-answer-faq-9459