Which of the Following Is the MOST Energy Efficient Way

question 7

Multiple Choice

Which of the following is the MOST energy efficient way of powering equipment within a datacenter with a large UPS battery bank?

• A) 48V DC
• B) 120V single-phase
• C) 240VAC 3-phase
• D) 480V 3-phase

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Definitions:

Period Cost

Expenses that are not directly tied to production activities and are charged to the period in which they occur.

Absorption Costing

A financial approach that encompasses all production expenses - such as direct materials, direct labor, along with variable and fixed overheads - within the price of a product.

Variable Costing

An accounting method that includes only variable costs—costs that change with production volume—in product costing and decision making.

Common Fixed Expenses

Expenses that do not vary with the level of production or sales, and are shared across different segments or products of a company.