When Installing a Gauge Hose on a R-134a System the Gauge

question 6

Multiple Choice

When installing a gauge hose on a R-134a system the gauge will only read system pressure once:

• A) The spring loaded collar has been pulled back
• B) The coupler has been installed and the hand valve has been back seated
• C) The coupler has been installed and hand valve had been front seated
• D) The protective valve cap has been removed

Identify the importance of operationalizing variables in research.

Recognize the ethical considerations in psychological research.

Understand the importance of representative sampling in research generalizability.

Appreciate the role of random assignment in experimental design.

---

Definitions:

ECG Paper

Specialized graph paper used in electrocardiograms to record the electrical activity of the heart over time.

Electrocardiograph

A medical device used to measure and record the electrical activity of the heart.

Tracing

The process of tracking or following a pattern, outline, or succession of steps, often used in contexts such as investigations or art.

Calibration

The process of adjusting and standardizing the accuracy of a device by comparing it with universally accepted standards.