ThatQuiz Test Library Take this test now
How to roast coffee beans at home - Exam
Contributed by: Black
  • 1. What is the ideal starting moisture content for green coffee beans before roasting?
A) 20-22%
B) 15-17%
C) 5-7%
D) 10-12%
  • 2. What is the 'first crack' during the roasting process?
A) The sound of beans colliding
B) The sound of beans shrinking
C) The sound of beans burning
D) The sound of beans expanding and releasing steam
  • 3. Which roasting stage is typically associated with a light body and high acidity?
A) Dark Roast
B) Medium Roast
C) French Roast
D) Light Roast
  • 4. What's the primary purpose of cooling coffee beans immediately after roasting?
A) To stop the roasting process
B) To make them easier to grind
C) To rehydrate the beans
D) To add flavor
  • 5. Which of these is a common home roasting method?
A) Cryogenic Freezing
B) Air Popper
C) Pressure Cooking
D) Microwave Roasting
  • 6. What bean defect is most likely indicated by a sour taste after brewing?
A) Underdevelopment
B) Overdevelopment
C) Quakers
D) Insect Damage
  • 7. What is the Maillard reaction in coffee roasting?
A) Chemical reaction between amino acids and reducing sugars
B) A type of bean defect
C) The release of CO2
D) A physical change in the bean structure
  • 8. What safety precaution is crucial during coffee roasting?
A) Using a metal spoon
B) Adequate Ventilation
C) Wearing Sunglasses
D) Roasting near flammable materials
  • 9. After roasting, how long should coffee beans typically rest before brewing?
A) 1 week
B) 1 hour
C) 24-48 hours
D) Immediately
  • 10. What is 'cupping' in the context of coffee?
A) The process of grinding coffee
B) A specific type of coffee brewing
C) A standardized method of tasting and evaluating coffee
D) Storing coffee beans in a cup
  • 11. Which roasting defect would result in a grassy or vegetal taste?
A) Tipping
B) Under-roasting
C) Scorching
D) Over-roasting
  • 12. What's the best way to store roasted coffee beans?
A) On the counter in direct sunlight
B) In the refrigerator
C) Airtight container, away from light and heat
D) In a paper bag
  • 13. What does 'development time' refer to during roasting?
A) Total roasting time
B) Time spent preheating the roaster
C) Time spent after first crack
D) Cooling time after roasting
  • 14. What does the term 'flick' refer to in coffee roasting?
A) The color of the bean during early roasting
B) A type of bean defect
C) The sound of beans being dropped
D) A rapid increase in bean temperature near the end of the roast
  • 15. What temperature range is generally considered suitable for roasting coffee?
A) 300-450°F (149-232°C)
B) 500-600°F (260-316°C)
C) 100-200°F (38-93°C)
D) 700-800°F (371-427°C)
  • 16. Which of these is NOT a common green coffee bean processing method?
A) Fermentation Drying
B) Natural
C) Washed
D) Honey
  • 17. What does 'bean density' influence in roasting?
A) Bean origin
B) Bean color
C) Bean size
D) Heat transfer rate
  • 18. What is the most common cause of scorching during roasting?
A) Low bean density
B) Excessive heat
C) Insufficient airflow
D) High humidity
  • 19. What is the Agtron score used for?
A) Measuring airflow
B) Measuring bean density
C) Measuring bean moisture
D) Measuring roast level
  • 20. What is the second crack during the roasting process?
A) The sound of the cooling process
B) The sound of water evaporating
C) Oil starts to be released and cellulose structure breaks down
D) The sound of chaff burning
  • 21. What is chaff?
A) A type of coffee grinder
B) A type of coffee bean defect
C) A specific coffee brewing method
D) The thin, papery skin that comes off the beans during roasting
  • 22. Which roast level typically exhibits chocolate and nutty notes?
A) Dark Roast
B) Cinnamon Roast
C) Medium Roast
D) Light Roast
  • 23. What effect does altitude have on green coffee beans?
A) Higher altitude always results in lower quality beans
B) Higher altitude means less caffeine
C) Altitude has no impact on bean quality
D) Higher altitude often leads to denser beans and more complex flavors
  • 24. What is the purpose of a tryer?
A) To measure the temperature of the roaster
B) To remove chaff from the roaster
C) To stir the beans during roasting
D) To sample beans during the roasting process
  • 25. Which gas is released during the roasting process?
A) Nitrogen (N2)
B) Oxygen (O2)
C) Carbon Dioxide (CO2)
D) Helium (He)
  • 26. Which coffee bean defect presents a pale, lifeless color after roasting?
A) Quakers
B) Tippers
C) Baked Beans
D) Scorchers
  • 27. What does ROR stand for in coffee roasting?
A) Roast or Ruin
B) Rate of Rise
C) Roast Over Roast
D) Rest on Rack
  • 28. Why is it important to clean your roaster regularly?
A) To prevent fires and ensure even roasting
B) To improve the taste of the coffee
C) To prevent bean defects
D) To make the roaster look nicer
  • 29. What is a fluid-bed roaster?
A) A roaster that suspends the beans in hot air
B) A roaster that uses oil to transfer heat
C) A roaster that uses direct flame
D) A roaster that uses infrared radiation
Created with That Quiz — the site for test creation and grading in math and other subjects.