## PTU-HEAT TRANSFER PAPER SOLUTION-SECTION-A

PTU-HEAT TRANSFER PAPER SOLUTION SECTION-A Solution of University question paper increases clarity. It increases the deep understanding. Thus these concepts are used in real practical applications. Q1. Write briefly : a) Explain Thermal conductivity. How it is different from apparent thermal conductivity? b) What is meant by critical thickness of insulation? How it is calculated…