In Single-Loop Systems, the ____ Prevents Hot Water in the Boiler

question 6

Multiple Choice

In single-loop systems, the ____ prevents hot water in the boiler from slowly circulating through the distribution system when the circulator is off.

• A) diaphragm
• B) thermosiphon
• C) off switch
• D) flow-check valve

---

Definitions:

Isoquants

Curves that represent combinations of inputs that yield the same output, used in the analysis of production technology.

Output Level

The total product units produced within a given time frame in a production process or economic system.

Origin

The point or place where something begins, arises, or is derived.

Isoquants

Isoquants are curves that represent combinations of different inputs that yield the same level of output, used in production theory to analyze input choices.