Three materials A, B and C of equal thickness and of thermal conductiv – McqOptions

MCQOPTIONS

1.	Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface between B and C will be at a temperature of ____________ °C?
A.	40
B.	95
C.	70
D.	50
Answer» D. 50

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