In the non-dimensional Biot number, the characteristics length is the – McqOptions

MCQOPTIONS

1.	In the non-dimensional Biot number, the characteristics length is the ratio of
A.	Perimeter to surface area of solid
B.	Surface area to perimeter of solid
C.	Surface area to volume of solid
D.	Volume of solid to its surface area
Answer» E.

Discussion

No Comment Found

Related MCQs

Identify the correct relation between Biot number and Fourier number
Fourier number is given by
For a plat plate (thickness δ, breadth b and height h) the heat exchange occurs from both the sides. The characteristics length is equal to
The quantity h L C/k is known as
During heat treatment, cylindrical pieces of 25 mm diameter, 30 mm height and at 30 degree Celsius are placed in a furnace at 750 degree Celsius with convective coefficient 80 W/m2 degree. Calculate the time required to heat the pieces to 600 degree Celsius. Assume the following property valuesDensity = 7850 kg /m3Specific heat = 480 J/kg KConductivity = 40 W/m degree
A gold ring (k = 65 W/m K) measuring 15 * 10 * 60 cm is exposed to a surface where h = 11.5 W/m2 K. Find the value of biot number
FOURIER_NUMBER_IS_GIVEN_BY?$
Identify_the_correct_relation_between_Biot_number_and_Fourier_number$
For a plat plate (thickness ‚âà√≠¬¨‚Ä¢, breadth b and height h) the heat exchange occurs from both the sides. The characteristics length is equal t?#
The quantity h L <sub>C</sub>/k is known as