Fouriers law MCQs : This section focuses on the "Fouriers law" in Heat Transfer. These Multiple Choice Questions (MCQs) should be practiced to improve the Heat Transfer skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
___________ is the other name of the law of heat conduction.
A. Thermal law
B. Fourier law
C. Heat law
D. None of the above
Question 2
____________ are a discrete and electrical analog of Fouriers law.
A. Newtons law of cooling
B. Ohms law
C. Both A and B
D. None of the above
Question 3
In Fouriers law differential form, q means?
A. q is the conductivity of the material
B. q is the local heat flux density
C. q is the temperature gradient
D. q is the surface area element
Question 4
Fouriers law states that the negative gradient of temperature and the time rate of heat transfer is proportional to the area at right angles of that gradient through which the heat flows.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 5
The famous Fourier series is named after?
A. Diller and Ryan
B. Stefan- Boltzmann
C. Wein’s
D. J.B. Joseph Fourier
Question 6
Fourier law of heat conduction is best represented by
A. Q = k A d x/d t
B. Q = -k A d t /d x
C. Q = -k A
D. Q = k d t/d x
Question 7
Here are some assumptions that are made for Fourier law. Identify the wrong one
A. No internal heat generation
B. Steady state heat conduction
C. Non linear temperature profile
D. Isotropic and homogenous material
Question 8
Transmission of heat i.e. molecular is smallest in case of
A. Gases
B. Liquids
C. Alloys
D. Solid
Question 9
The derivation of Fourier's law was explained with the help of an experiment which explained the Rate of heat transfer through a plane layer is proportional to the temperature gradient across the layer and heat transfer area.
A. Yes
B. No
C. Can be yes or no
D. Can not say
Question 10
Which of the following is the unit of thermal resistance?
A. degree/kcal
B. hour degree
C. s degree/kcal
D. degree/W