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Mechanical Engineering · Q163

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 163

Q163

The unit of Stefan-Boltzmann constant is

A.
watt/mK
B.
watt/m2K2
C.
watt/m2K4
Answer
D.
watt/mK2

Answer: Option C

Solution

Answer: Option C
Solution:
The value of the Stefan-Boltzmann constant is approximately 5.67 x 10-8 watt per metre squared per kelvin to the fourth.