Utah Food Safety Practice Test

Which of the following best explains a characteristic of a thermocouple thermometer?

1. Requires significant time to stabilize

2. Uses a magnetic strip

3. Effective for thin or thick food

4. Displays only Celsius temperatures

The correct answer is: Effective for thin or thick food

A thermocouple thermometer is known for its versatility and speed in measuring temperature, which makes it effective for both thin and thick foods. This type of thermometer features two metal wires that are welded together at one end. When the junction of these two wires is heated or cooled, it generates a voltage that relates to the temperature. As a result, thermocouples can provide accurate temperature readings almost instantaneously, making them ideal for a variety of food types and thicknesses. Option describing the need for a lengthy stabilization time does not apply to thermocouples, as they are designed to provide quick readings, unlike some other types of thermometers that might require more time to stabilize. The use of a magnetic strip is not a characteristic relevant to thermocouples, as they measure temperature through electrical principles rather than employing magnets. Lastly, while some thermocouples may display temperatures solely in Celsius or Fahrenheit, many thermocouple thermometers offer the flexibility of displaying readings in both measurement systems. Therefore, it is the ability to effectively measure temperatures in a variety of food types that stands out as the key feature of thermocouple thermometers.