Chemical Engineering Exam > Chemical Engineering Questions > Choose the wrong statement with respect to Nu...
Start Learning for Free
Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficient
- a)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradient
- b)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surface
- c)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood of the surface
- d)For a given Nusselt number, the convective coefficient is inversely proportional to thermal conductivity of the fluid.
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Choose the wrong statement with respect to Nusselt number and convecti...
Nusselt Number and Convective Heat Transfer Coefficient
Nusselt number and convective heat transfer coefficient are important parameters in the study of convective heat transfer. However, one of the statements given is incorrect.
Nusselt Number
Nusselt number is a dimensionless parameter that represents the ratio of the convective to conductive heat transfer at a surface. It is used to characterize the heat transfer from a solid surface to a fluid flowing over it. The Nusselt number is given by the following formula:
Nu = hL/k
where h is the convective heat transfer coefficient, L is the characteristic length, and k is the thermal conductivity of the fluid.
Incorrect Statement
The statement that is incorrect is:
For a given Nusselt number, the convective coefficient is inversely proportional to thermal conductivity of the fluid.
This statement is incorrect because the convective coefficient is directly proportional to the thermal conductivity of the fluid. This can be seen from the Nusselt number formula, where h is in the numerator and k is in the denominator. Therefore, as the thermal conductivity of the fluid increases, the convective coefficient also increases.
Conclusion
In summary, the Nusselt number represents the ratio of convective to conductive heat transfer at a surface, and the convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood of the surface. It is important to note that for a given Nusselt number, the convective coefficient is directly proportional to the thermal conductivity of the fluid, and not inversely proportional as stated in option D.
Nusselt number and convective heat transfer coefficient are important parameters in the study of convective heat transfer. However, one of the statements given is incorrect.
Nusselt Number
Nusselt number is a dimensionless parameter that represents the ratio of the convective to conductive heat transfer at a surface. It is used to characterize the heat transfer from a solid surface to a fluid flowing over it. The Nusselt number is given by the following formula:
Nu = hL/k
where h is the convective heat transfer coefficient, L is the characteristic length, and k is the thermal conductivity of the fluid.
Incorrect Statement
The statement that is incorrect is:
For a given Nusselt number, the convective coefficient is inversely proportional to thermal conductivity of the fluid.
This statement is incorrect because the convective coefficient is directly proportional to the thermal conductivity of the fluid. This can be seen from the Nusselt number formula, where h is in the numerator and k is in the denominator. Therefore, as the thermal conductivity of the fluid increases, the convective coefficient also increases.
Conclusion
In summary, the Nusselt number represents the ratio of convective to conductive heat transfer at a surface, and the convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood of the surface. It is important to note that for a given Nusselt number, the convective coefficient is directly proportional to the thermal conductivity of the fluid, and not inversely proportional as stated in option D.
|
Explore Courses for Chemical Engineering exam
|
|
Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer?
Question Description
Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer?.
Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer?.
Solutions for Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemical Engineering.
Download more important topics, notes, lectures and mock test series for Chemical Engineering Exam by signing up for free.
Here you can find the meaning of Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Choose the wrong statement with respect to Nusselt number and convective heat transfer coefficienta)Nusselt number represents the ratio of temperature gradient at the surface, to an overall or reference temperature gradientb)Nusselt number represents the dimensionless slope of the temperature distribution curve at the surfacec)The convective coefficient can be evaluated from a knowledge of fluid temperature distribution in the neighbourhood ofthe surfaced)For a given Nusselt number, the convectivecoefficient is inversely proportional to thermal conductivity of the fluid.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Chemical Engineering tests.
|
|
Explore Courses for Chemical Engineering exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup