Pick out the wrong statement.
A) Bubble size increases with the dynamic viscosity of the liquid in case of nucleate pool boiling
B) Thermal conductivity of a dry material is more than that of the damp material
C) Ratio of its capacity to economy equals the steam consumption in kg/hr in an evaporator
D) Vaporisation of organic substances in evaporator mostly causes foam formation
Correct Answer:
Verified
Q1: Cpµ/K is termed as the _ number.
A)Grashoff
B)Nusselt
C)Prandtl
D)Stanton
Q2: The overall heat transfer co-efficient for a
Q3: The Graetz number is concerned with the
A)Mass
Q4: At what value of Prandtl number, conduction
Q5: The unit of conductance in SI unit
Q7: Pick out the correct statement.
A)Higher is the
Q8: Nucleate boiling is promoted
A)On polished surfaces
B)On rough
Q9: Which of the following has the lowest
Q10: The thermal boundary layer at NPr >
Q11: In case of a multipass shell and
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