Thermal conduction 2
How to decide sign of heat
In illustration 4.10 , heat loss by gas is taken as -nCvdT
In illustration 4.11 heat loss by water is taken kATdt/x , shouldn't there be a minus sign here
In illustration 4.10 , heat loss by gas is taken as -nCvdT
In illustration 4.11 heat loss by water is taken kATdt/x , shouldn't there be a minus sign here

