The Customer Has Reported That Little Heat Comes Out of the Floor

question 24

Multiple Choice

The customer has reported that little heat comes out of the floor duct. Technician A says the coolant level in the engine's cooling system may be low. Technician B says the engine's thermostat may be faulty. Who is correct ?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Line-Angle Structure

A simplified drawing of a molecule where lines represent bonds and vertices represent carbon atoms, excluding hydrogen atoms for clarity.

Structure

The arrangement of and relations between the parts or elements of something complex.

Conformation

The spatial arrangement of atoms in a molecule that can be changed by rotating single bonds without breaking any chemical bonds.

Newman Projection

A method of visualizing the spatial arrangement of atoms by looking down the bond between two carbon atoms in a molecule.