A(n) ____ Is a Screen Placed at the Top of the Flue

question 12

Multiple Choice

A(n) ____ is a screen placed at the top of the flue inside the hood to prevent combustibles from leaving the flue.

• A) spark arrester
• B) flue
• C) hearth
• D) ash dump

---

Definitions:

Herfindahl-Hirschman Index

A measure of market concentration and competition, calculated by squaring the market share of each firm competing in a market and summing the resulting numbers.

Concentrated Industry

An economic sector characterized by a small number of firms holding a large market share, leading to reduced competition.

Fuel-efficient Cars

Vehicles designed to use less fuel for the same distance traveled compared to standard vehicles, typically through advanced technology or design.

Concentration Ratio

A measure that assesses the level of market concentration, indicating the combined market share of the top firms (usually the top 4 or 8) in the industry.