An Engine Is Designed to Obtain Energy from the Temperature $\degree$

question 44

Multiple Choice

An engine is designed to obtain energy from the temperature gradient of the ocean.What is the thermodynamic efficiency of such an engine if the temperature of the surface of the water is 59 $\degree$ F (15 $\degree$ C) and the temperature well below the surface is 41 $\degree$ F (5 $\degree$ C) ?

• A)3.5%
• B)67%
• C)31%
• D)17%
• E)96%

---

Definitions:

Define Fields

The process of specifying the name and data type for each column in a database or spreadsheet.

Name Table

In databases, a name table is used to store names or identifiers, often associated with other data elements or tables for reference purposes.

Select Data Type

A command or option in programming and databases used to define the kind of data an element or variable will hold, such as integers, strings, or dates.

Save Button

A graphical user interface element that, when clicked, saves the current state of a document, file, or application.