Stefan-Boltzman law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C T = absolute temperature in °K)
A. t4
B. T4
C. $$\frac{1}{{{{\text{t}}^4}}}$$
D. $$\frac{1}{{{{\text{T}}^4}}}$$
Answer: Option B
Related Questions on Heat Transfer
A. 3.06 × 105
B. 6.12 × 105
C. 7.24 × 105
D. 9.08 × 105
Fqra cold viscous feed, backward feed gives __________ than forward feed.
A. A higher capacity
B. A lower capacity
C. Lower economy
D. None of these
A. Twice
B. Four times
C. Square root of
D. Square of
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