A Vehicle Is in the Shop Because It Failed an Emissions

question 42

Multiple Choice

A vehicle is in the shop because it failed an emissions test due to excessive carbon monoxide (CO) . The fault was a bad oxygen sensor that was easily replaced. Technician A says that the EGR system should be checked before the vehicle is retested. Technician B says the vehicle should be tested with a five-gas analyzer before it is retested. Who is correct?

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

---

Definitions:

Short Run

A period in economics during which at least one input is fixed, limiting the capability of the economy or business to adjust to changes in demand or conditions immediately.

Long Run

The long run is a period in economics in which all factors of production and costs are variable, allowing full industry adjustment to changes.

Federal Funds Rate

The interest rate at which banks make overnight loans to one another

Money Demand

The desire to hold cash rather than other forms of assets due to its liquidity, determining how much money is needed for transactions, precautionary, and speculative motives.