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Heat Transfer - Engineering

Q1:

The value of Stefan-Boltazman constant in SI unit is

A 5.6697 x 10-8W/m2.°K4

B 0.1714 x 10-8W/m2.°K4

C 5.6697 x 10-8kcal/m2 . °K4

D 0.1714 x 10-8kcal/m2. °K4

ANS:A - 5.6697 x 10-8W/m2.°K4

The value of the Stefan-Boltzmann constant in SI units is 5.6697 x 10^-8 W/m^2.°K^4. Therefore, the correct option is the first one: 5.6697 x 10^-8 W/m^2.°K^4.