When Biot number exceeds 0.1 but is less than 100, use is made of Heis – McqOptions

MCQOPTIONS

1.	When Biot number exceeds 0.1 but is less than 100, use is made of Heislers charts for the solution of transient heat conduction.
A.	True
B.	False
Answer» B. False

Discussion

No Comment Found

Related MCQs

A solid which extend itself infinitely in all directions of space is termed as finite solid.
Consider the above problem, calculate the temperature of the surface at this instant
In transient heat conduction, the two significant dimensionless parameters are
When Biot number exceeds 0.1 but is less than 100, use is made of Heislers charts for the solution of transient heat conduction.
With respect to above problem, determine the temperature inside the plate 12.5 mm from the mid plane after 3 minutes
A large steel plate 50 mm thick is initially at a uniform temperature of 425 degree Celsius. It is suddenly exposed on both sides to an environment with convective coefficient 285 W/m<sup>2</sup> K and temperature 65 degree Celsius. Determine the center line temperature.<br>For steel, thermal conductivity = 42.5 W/m K and thermal diffusivity = 0.043 m<sup>2</sup>/hr
The value of Biot number and Fourier number, as used in the Heisler charts, are evacuated on the basis of a characteristics parameter s which is the thickness in case of plates and the surface radius in case of cylinders and spheres.