Details
Thermometers
Calibrations
Practice Questions
100

What does TCS stand for/

Time and Temperature Control for Food Safety

100

Describe a bimetallic stemmed thermometer.

Non-digital thermometer that penetrates food and has an indicator head and needle that tells temperature.

100

What type of calibration method uses hot water?

Boiling Point Method

100

What kind of thermocouple would you use to check the temperature of a pan on a hot stove?

Surface Probe or Infrared (laser) Thermometer

200

What is the Danger Zone?

41°F - 135°F

200

What is a thermistor?

A digital thermometer.

200

What type of calibration method uses cold water?

Ice Point Method

200

Herrera, a cafeteria manager, is receiving a delivery of whole chickens and turkeys. Which thermometer can she use to check the internal temperature of the food?

A bimetallic stemmed thermometer

300

What is the Dangerous Zone?

70°F and 125°F

300

What are the four types of thermocouples?

Air probe

Surface probe

Penetration probe

Immersion probe

300

What is the freezing point of water?

32o F

300

Herrera removes fish fillet from the freezer and leaves it on a counter to thaw. She does other tasks in the kitchen and forgets about the thawing fish for four hours. Why do Herrera's actions make the fish unsafe to eat?

She fails to hold the fish at the correct temperature to prevent pathogen growth.

400

What is Time and Temperature Abuse?

Occurs when food is kept for long in the temperature danger zone, which ranges from 41°F and 135°F.

400

What type of thermometer will check the temperature of a surface and prevents cross contamination?

Infrared (laser) Thermometer

400

What is the boiling point of water?

212F

400

9) Herrera, a food handler, removes only a certain number of batches of meat from the freezer when prepping food. He then keeps a check on the meat using a thermometer and a timer. Why are Herrera's actions important?

To prevent pathogen growth.

500

List 5 examples of TCS foods in less than one minute.

  • shell eggs

  • cooked plant food

  • tofu and other soy products

  • sprouts and sprout seeds

  • unprocessed garlic-and-oil blends

  • cut melons, tomatoes, and leafy greens

  • dairy products, including milk

  • meat

  • poultry

  • shellfish, including crustaceans (like shrimp, lobster, crab)

  • baked potatoes

  • fish

500

What type of thermometer checks the temperature of things unsafe for us to check? (i.e. ovens, freezers, dishwashers, etc.)

Maximum Registering Thermometer

500

List the 4-5 steps of the Ice Point Method.

1) Fill cup with water and ice and stir.

2) Place thermometer inside without touching the bottom or walls.

3) Hold thermometer in ice water for 30 seconds.

4) Adjust the thermometer to correct readings.

500

A food handler wants to use a thermometer to measure the air temperature inside of a cooler. To what temperature should the thermometer be accurate?

within ±3°F