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Based on: Industry Standards and Best Practices

Languages: English

Sample Transcript

Temperature is a common word used often in everything from daily weather forecasts to cooking recipes. Temperature is related to the amount of thermal energy or heat in a material or system. As more heat is added, the temperature rises. Similarly, a loss of heat leads to a decrease in temperature. On a microscopic scale, heat is related to the amount of random motion of atoms and molecules in a material. An increase in temperature corresponds to an increase in the rate of movement of the atoms in the system. When a temperature difference does exist between two systems, heat will move from the higher temperature system to the lower temperature system until thermal equilibrium, the same temperature in both, is established.

# Measurement - Temperature, Force, and Fluid Properties

Training Time: 26 minutes

Monitoring and measurement are an essential part of almost every job. Proper measurement of physical properties requires the knowledge of specific terms, measuring units, and measuring devices. This course covers the terminology needed to accurately monitor and measure equipment, as well as the measuring units and techniques that apply to temperature, force, and fluids. It also discusses the challenges associated with measuring different physical properties.

##### Training Content + Interactive Quizzes

Torque is a twisting force that causes rotation around an axis.

Liquid volume is measured in a vertical vessel with calibrated markings on the side translating the height of liquid to a volume.

Water has a low viscosity and flows quickly when poured.

### Learning Objectives

• Define the term "temperature"
• Describe temperature measuring units and techniques
• Define the term "force"
• Describe force measuring units and techniques
• Define fluid measurement concepts and units
• Describe how various fluid measurements are made

### Temperature, Force, and Fluid Properties Measurement FAQs

What is the basic unit of measuring temperature?
In the International System (IS), it's the Kelvin scale. Another scale, called the Celsius scale, is used throughout much of the world. In the United States, the Fahrenheit scale is common used.

What are some devices used to measure temperature?
Glass thermometer, thermocouples, thermistors, resistor temperature detectors (RTDs), and infrared (IR) thermometers.

What are some measurement units for force?
Internationally, the Newton is the unit for force. In the United States, it’s more common to measure force in "pounds-force."

How is torque determined?
Amount of force x distance of applied force from the axis of rotation.

How is viscosity measured?
In various ways, including measuring the torque of a paddle twisting in a fluid; measuring how fast a fluid pours through a hole; using a spring to push a rod into a fluid; and measuring how fast a sphere falls through a fluid.

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