A Copper Sheet of Area Is Bonded to an Unknown

question 15

Multiple Choice

A copper sheet of area is bonded to an unknown metal sheet of area .The thickness of the unknown metal is half that of the copper.The outside surface of the copper sheet is held at a temperature of 80 ^$\circ$ C and the unknown metal sheet at 40 ^$\circ$ C.If the temperature of the copper-unknown metal interface is 60 ^$\circ$ C,what is the thermal conductivity of the unknown metal?

• A)386 W/(m*
• B)193 W/(m*
• C)258 W/(m*
• D)772 W/(m*
• E)220 W/(m*

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Definitions:

PERT Chart

Stands for Program Evaluation Review Technique chart, a tool used in project management to map out and analyze the tasks involved in completing a project.

Critical Events

Significant occurrences that have a profound impact on processes or outcomes, often necessitating immediate attention or action.

Network

A group or system of interconnected people or things, often used to refer to digital communication systems or social structures.

Managing Projects

The process of planning, organizing, motivating, and controlling resources to achieve specific goals.