Question

The radiant heat transfer from a plate of 2.5 cm2 area at 1250 K to a very cold enclosure is 5.0 W. Determine the emissivity of the plate at this temperature a) 0.544 b) 0.144 c) 0.044 d) 0.244

Name: the radiant heat transfer from a plate of 25 cm2 area at 1250 k to a very cold enclosure is 50 w determine the emissivity of the plate at this temperature a 0544 b 0144 c 0044 d 0244
Uploaded: 2022-02-28T07:31:30-08:00
Duration: 1 min 49 s
Channel: Kajal Raghubanshi
Description: the radiant heat transfer from a plate of 25 cm2 area at 1250 k to a very cold enclosure is 50 w determine the emissivity of the plate at this temperature a 0544 b 0144 c 0044 d 0244

          The radiant heat transfer from a plate of 2.5 cm2 area at 1250 K to a very cold enclosure is 5.0 W. Determine the emissivity of the plate at this temperature
a) 0.544
b) 0.144
c) 0.044
d) 0.244

Added by John K.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Kajal Raghubanshi

02/28/2022

Step 1

5 \, \text{cm}^2 = 2.5 \times 10^{-4} \, \text{m}^2 \) - Temperature of the plate, \( T = 1250 \, \text{K} \) - Radiant heat transfer, \( Q = 5.0 \, \text{W} \) Show more…

Show all steps

Thanks for your feedback!

The radiant heat transfer from a plate of 2.5 cm2 area at 1250 K to a very cold enclosure is 5.0 W. Determine the emissivity of the plate at this temperature a) 0.544 b) 0.144 c) 0.044 d) 0.244