Quality Control Engineers Fire Tiles Made with a New Material

question 4

Multiple Choice

Quality control engineers fire tiles made with a new material at three different temperature settings (1500ºF, 1800ºF and 2200ºF) and for four different times (2 hours, 6 hours, 10 hours and 12 hours) to determine the optimal parameter settings for firing that will result in tiles with high flexural strength.The number of treatments in this experiment is ________________________ .

• A)15
• B)12
• C)7
• D)4
• E)3

---

Definitions:

Mechanical Switches

Devices that open or close circuits to control the flow of electricity, often used in keyboards and other mechanical devices.

Portable

Characteristic of a device or software that can be easily carried or moved, especially devices that can operate independently of a fixed power source.

Operating System

An application controlling the computer's hardware, managing software resources, and providing universal services for various computer applications.

Personal Computer

A versatile computer designed for individual use, capable of running general-purpose applications.