A metal plate 4 mm thick has a temperature difference of 32

Last updated: 6/9/2023

A metal plate 4 mm thick has a temperature difference of 32 C between its faces It transmits 200 kcal h through ar area of 5 cm Thermal conductivity of the material is 58 33 W m 1 C 1 33 58 W m C 1 O 5x 10 4 W m 1 C 1 O None of these