Two Types of Wall Separate a Refrigerated Room from the Rest

question 107

Multiple Choice

Two types of wall separate a refrigerated room from the rest of a building. Wall 1 has half the thermal conductivity of wall 2. Wall 2 is half as thick as wall 1. The two walls have the same area. The rate of heat flow through wall 2 compared with the rate of heat flow through wall 1 is

• A) 4 times greater.
• B) twice as great.
• C) the same.
• D) half as great.
• E) one-quarter as great.

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Definitions:

Fallacy

A flawed argument that uses poor reasoning or logical errors.

Major Premise

The first principle or statement in a deductive argument from which a conclusion is derived.

Valid Syllogism

A form of deductive reasoning where, from two given premises, a logically inevitable conclusion is derived.

I Proposition

In the traditional square of opposition, an I proposition is a form of categorical proposition which affirms some, but not necessarily all, members of a class are included in another class.