The Ultimate Homebrewing Quiz
There's nothing like a home science project to soothe the soul and quench your thirst. How much do you know about homebrewing?
What is yeast?
- a fungi
- a bacteria
- a fermented grain
In brewing, what important task does yeast perform?
- increases sugar content
- converts sugar into alcohol
- caramelizes the sugars
What's one advantage to making your own yeast starter?
- You'll have greater quantities of helpful bacteria.
- It gives you slower and more even fermentation.
- You'll know the yeast is alive.
In addition to releasing alcohol, what else does yeast help unleash in a beer?
- Carbon dioxide
What is the purpose of mashing?
- to give a beer its distinct flavor
- to extract sugars from grains
- to dehydrate the barley
What is the single most important element to homebrewing?
- the right yeast
- grain quality
What is a primary ingredient in no-rinse sanitizer used for homebrewing?
- Carbonic acid
- Sulfuric acid
- Phosphoric acid
Adding Irish moss to your wort during the last half hour of boiling does what?
- Reduces haziness in the final product
- Cuts down on the chances of bacterial contamination
- Adds a more golden color
What product is measured by alpha-acid units (AAUs)?
The brewing-in-a-bag process was pioneered in which country?
What helps develop the characteristic taste in so-called sour beers?
- special hops
- artificial flavors
In which states was homebrewing illegal until 2013?
- Georgia and Florida
- Mississippi and Alabama
- Alabama and Georgia
What is wort?
- A skin blemish caused by exposure to beer.
- The liquid that results from yeast fermentation.
- The liquid that is extracted from the mashing process.
Why don't home brewers use wine bottles for their beers?
- Wine bottles aren't made for carbonated beverages.
- It's harder to create secondary fermentation in larger bottles.
- The volume per bottle is too high considering the limited amount of beer created by most homebrewing processes.
Compared to other beers, the fermentation temperature for lagers tends to be what?
- the same as most other beers
Adding hops at the start of the wort boiling process adds what to the mixture?
- hop aroma
In a homebrewing environment, what's the approximate maximum utilization of alpha acids in the finished beer?
- about 80%
- about 30%
- about 50%
In the homebrewing process, to what does lag time refer?
- The delay between bottling and the time you can drink the beer.
- The delay between pitching the yeast into the wort and the start of fermentation.
- The delay as you wait for the yeast to consume most simple sugars.
After fermentation for a lager begins, it's usually safe to drop the temperature to about what?
- 60 degrees Fahrenheit
- 55 degrees Fahrenheit
- 45 degrees Fahrenheit
Which molecular compound helps to produce fruity notes in a beer?
- fusel alcohols
How does a hydrometer assister brewers during the process?
- determining completeness of fermentation
- detect optimum pH of water for the wort
- gauge bitterness
Which of the following is NOT a primary factor in achieving a robust fermentation?
- hops quality
- wort nutrients
Beer that has been pasteurized or filtered will benefit from a bit of aging.
Yeast can grow with or without what?
If you want to add a buttery note to a beer such as a Scotch ale, what molecular compound will be especially important?
- fatty acids
What does lautering do?
- Blanches grains for better flavor
- Crushes grains for use in brewing
- Rinses sugars from spent grain
If you want a brilliant-looking lager, you must lager your brew for at least how long?
- six days
- six weeks
- six months
If your fermentation temperatures are too high, your brew might wind up with too much of what?
- fusel alcohols
What temperature is generally considered too high for proper fermentation?
- More than 75 degrees Fahrenheit
- More than 65 degrees Fahrenheit
- More than 85 degrees Fahrenheit
homebrewing was basically illegal in the United States until what year?