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Mechanical Engineering · Q66

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 66

Q66

In regenerator type heat exchanger, heat transfer takes place by

A.
Direct mixing of hot and cold fluids
B.
A complete separation between hot and cold fluids
C.
Flow of hot and cold fluids alternately over a surface
Answer
D.
Generation of heat again and again

Answer: Option C

Solution

Answer: Option C
Solution:
A regenerative heat exchanger, or more commonly a regenerator, is a type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid.