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Mechanical Engineering · Q162

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 162

Q162

The unit of Stefan Boltzmann constant is

A.
watt/cm3K
B.
watt/cm4K
C.
watt2/cmK⁴
D.
watt/cm2K⁴
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
The value of the Stefan-Boltzmann constant is approximately 5.67 x 10-8 watt per metre squared per kelvin to the fourth.
Its unit is W/m2K4 or W/cm2K4.
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