After Two Technicians Examine a Broken and Disintegrated DPF Filter

question 10

Multiple Choice

After two technicians examine a broken and disintegrated DPF filter, Technician A says the filter damage was caused by water contamination. Technician B says the filter was damaged by back-to-back regenerations that occurred too frequently. Who is correct?

• A)Technician A
• B)Technician B
• C)Both A and B
• D)Neither A nor B

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Definitions:

Medium of Exchange

An instrument used to facilitate the sale, purchase, or trade of goods between parties, for example, money or digital currency.

Planned Economy

An economic system in which the government or a central authority makes all decisions regarding the production and distribution of goods and services.

Barter Economy

An economic system where goods and services are exchanged directly for other goods and services without the use of money.

Coincidence of Wants

A situation in a barter system where two parties each hold an item the other wants, enabling a direct exchange without money.