Chemical Engineering > GATE 2020 > Heat Exchangers
A fluid is heated from 40°C to 60°C in a countercurrent, double pipe heat exchanger. Hot fluid enters at 100°C and exits at 70°C. The log mean temperature difference, i.e. LMTD (in °C), is _______ (round off to 2 decimal places).

Correct : 34.78

Similar Questions

Hot oil at 110 ℃ heats water from 30 ℃ to 70 ℃ in a counter-current double-pipe heat exchanger. The flow rates of water and oil are 50 kg min−1 and 100...
#58 MCQ
A perfectly insulated, concentric tube countercurrent heat exchanger is used to cool lubricating oil using water as a coolant (see figure below). Oil enters the...
#149 Fill in the Blanks
A perfectly insulated double pipe heat exchanger is operating at steady state. Saturated steam enters the inner pipe at 100 °C and leaves as saturated water a...
#188 Fill in the Blanks

Related Topics

heat exchanger design countercurrent heat exchanger double pipe heat exchanger LMTD calculation GATE Chemical Engineering 2020 fluid heating temperature difference heat exchanger GATE 2020 Chemical Engineering

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: