A slab of insulating material of thickness 6 cm and thermal conductivity 1.4kJ/m hr deg is placed between and is in contact with two parallel electrodes, and is then subjected to high frequency dielectric heating at a uniform rate of 140,000kJ/m3 hr. At steady state coefficients of combined radiation and convection are 42 and 48 kJ/m2 hr deg. If atmospheric temperature is 25 degree Celsius, find surface temperatures?

165.40 degree Celsius and 165.45 degree Celsius

144.10 degree Celsius and 134.47 degree Celsius

123.50 degree Celsius and 154.34 degree Celsius

121.60 degree Celsius and 115.45 degree Celsius

165.40 degree Celsius and 165.45 degree Celsius

A slab of insulating material of thickness 6 cm and thermal conductiv

1.	A slab of insulating material of thickness 6 cm and thermal conductivity 1.4kJ/m hr deg is placed between and is in contact with two parallel electrodes, and is then subjected to high frequency dielectric heating at a uniform rate of 140,000kJ/m3 hr. At steady state coefficients of combined radiation and convection are 42 and 48 kJ/m2 hr deg. If atmospheric temperature is 25 degree Celsius, find surface temperatures?
A.	144.10 degree Celsius and 134.47 degree Celsius
B.	123.50 degree Celsius and 154.34 degree Celsius
C.	121.60 degree Celsius and 115.45 degree Celsius
D.	165.40 degree Celsius and 165.45 degree Celsius
Answer» D. 165.40 degree Celsius and 165.45 degree Celsius

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A slab of insulating material of thickness 6 cm and thermal conductivity 1.4kJ/m hr deg is placed between and is in contact with two parallel electrodes, and is then subjected to high frequency dielectric heating at a uniform rate of 140,000kJ/m3 hr. At steady state coefficients of combined radiation and convection are 42 and 48 kJ/m2 hr deg. If atmospheric temperature is 25 degree Celsius, find surface temperatures?
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A slab of insulating material of thickness 6 cm and thermal conductivity 1.4kJ/m hr deg is placed between and is in contact with two parallel electrodes, and is then subjected to high frequency dielectric heating at a uniform rate of 140,000kJ/m3 hr. At steady state coefficients of combined radiation and convection are 42 and 48 kJ/m2 hr deg. If atmospheric temperature is 25 degree Celsius, find surface temperatures?$
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