The rate of heat transfer through afluid is much higher by conductionthan it is by convection.Select one:TrueFalseHeat transfer in solids is always dueto conductionSelect one:TrueFalse Water enters a circular tube whosewalls are maintained at constanttemperature at a specified flow rateand temperature. For fully developedturbulent flow, the Nusselt numbercan be determined from Nu = 0.0230.80.4Re Pr. The correct temperaturedifference to use in Newton's law ofcooling in this case isSelect one:a. the log mean temperaturedifference or LMTDb. the difference between theinlet and outlet water bulktemperaturec. the difference between theinlet water bulk temperature andthe tube wall temperatured. the difference between theaverage water bulk temperatureand the tube temperaturee. None of the choicesprovided are correct

Answered: The rate of heat transfer through a…

Engineering

Mechanical Engineering

The rate of heat transfer through a fluid is much higher by conduction than it is by convection. Select one: True False

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

100%

The rate of heat transfer through a
fluid is much higher by conduction
than it is by convection.
Select one:
True
False
Heat transfer in solids is always due
to conduction
Select one:
True
False

Water enters a circular tube whose
walls are maintained at constant
temperature at a specified flow rate
and temperature. For fully developed
turbulent flow, the Nusselt number
can be determined from Nu = 0.023
0.8
0.4
Re Pr. The correct temperature
difference to use in Newton's law of
cooling in this case is
Select one:
a. the log mean temperature
difference or LMTD
b. the difference between the
inlet and outlet water bulk
temperature
c. the difference between the
inlet water bulk temperature and
the tube wall temperature
d. the difference between the
average water bulk temperature
and the tube temperature
e. None of the choices
provided are correct

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