Agricultural Engineering > GATE 2019 > Heat Transfer
A tube-in-tube counter-flow heat exchanger is heating oil from 35 °C to 77 °C by circulating hot water at 100 °C. The outlet temperature of water is 70 °C. The log-mean-temperature difference (LMTD) is
A
exactly equal to the mean arithmetic temperature difference
B
significantly greater than the mean arithmetic temperature difference
C
significantly smaller than the mean arithmetic temperature difference
D
very nearly equal to the mean arithmetic temperature difference

Correct : d

Similar Questions

Heat gain is occurring through a composite cold storage wall, made of brick and polyurethane foam insulation (thickness and thermal conductivity values are give...
#186 Fill in the Blanks
One-dimensional generalized heat conduction equation representing temperature distribution in a sphere, based on thermal conductivity k, specific heat capacity...
#224 MCQ
One side of a solid food block of 10 cm thickness is subjected to a heating medium having a film heat transfer coefficient of 70 W (m² °C)⁻¹. The other side of...
#271 Fill in the Blanks

Related Topics

agricultural engineering GATE 2019 GATE agricultural engineering agricultural engineering questions none option gate agricultural engineering 2019 agricultural engineering exam gate agricultural engineering questions

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: