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Mechanical Engineering · Q8

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 8

Q8

Film coefficient is defined as Inside diameter of tube

A.
Equivalent thickness of film
B.
Thermal conductivity Equivalent thickness of film Specific heat × Viscosity
Answer
C.
Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity
D.
Film coefficient × Inside diameter Thermal conductivity

Answer: Option B

Solution

Answer: Option B
Solution:
Film coefficient is defined as Inside diameter of tube Thermal conductivity Equivalent thickness of film Specific heat × Viscosity
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