A Composite Wall Consists of Two Plates a and B

question 63

Multiple Choice

A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when

• A)CPA > CPB
• B)CPA < CPB
• C)kA < 0.5 kB
• D)kA >2 kB

---

Definitions:

Vézelay

A historic village in France, known for the Basilica of Sainte-Marie-Madeleine, a masterpiece of Romanesque architecture and a UNESCO World Heritage Site.

South Portal

The term generally refers to the southern entrance of a cathedral or church, which often features significant architectural details and decorations.

Naturalistic Figures

Artistic representations that aim to realistically depict human figures, focusing on accurate anatomical details and lifelike postures.

Animal Interlace

A decorative technique, common in the art of the Middle Ages, featuring interwoven animals or serpents in complex patterns.