Technician a Says That EGR Systems Lower In-Cylinder NOx Formation

question 43

Multiple Choice

Technician A says that EGR systems lower in-cylinder NOx formation by reducing peak cylinder pressures and temperatures. Technician B says EGR systems reduce NOx emissions by reducing displaced air in the cylinder. Who is correct?

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

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Definitions:

Sales Variance Analysis

A financial process used to compare the actual sales against forecasted sales to understand variances and their causes.

Planning

The process of setting objectives, determining strategies to achieve them, and coordinating resources to execute the strategies.

Price Variance

The difference between the actual cost of a good or service and its budgeted or standard cost.

Standard Price

The pre-determined cost that a company expects to pay for goods and services.