Glossary of Top O Beer Test
Created by joel.fillmon
- What are the four raw materials of beer?
- water, malt, hops, yeast
- What is malt? How is it produced and what does it contribute to beer?
- Malt is simply malted barley. It is produced by steeping, partially germinating, and then drying barley. Malt provides malt sugars and thus contributes strength, color, and sweetness to beer.
- What are hops and what do they contribute to beer?
- Hops are the flower of the female hope plant (Humulus Lupulus). These plants typically thrive in similar climates to grapes. Hops defend the beer from spoilage and wild bacteria. They also contribute bitter taste and aroma, thus balancing the sweet malt.
- What is yeast and what does it contribute to beer?
- Yeast are single-celled organisms, biologically classified as fungus, that break down sugar into alcohol and CO2.
- What is a Mash Tun and what is it used for?
- A Mash Tun is a vessel in which crushed malt is mixed with hot water, This blend of malt and ho water is called mash.
- What is Wort?
- When the mash is done and as much as possible of the starch has been converted to sugars and fermentable substances, the remaining liquid is drained through a bed of husks and spent grain in the bottom of the Tun. This sweet liquid is called Wort.
- What is Copper Kettle and what is it used for?
- A Copper Kettle is the vessel in which wort is boiled with hops until proteins are extracted from the wort and essential oils are extracted from the hopes. The hopped wort is then quickly chilled to around 68 degrees (F) and piped into fermenting tanks.
- What takes place in fermenting tanks? What is fermentation?
- The fermenting tanks are filled with the chilled wort and yeast is added. Fermentation then takes place. Fermentation is when the yeast metabolizes the sugar in the wort, producing ethyl alcohol and carbon dioxide.
- What do Original Gravity and Final Gravity mean? How is it related to alcohol content, and why do we specify a beer's OG on our menus in addition to Alcohol by Volume?
- Original Gravity is the density of a liquid before fermentation. The OG of a beer gives an indication of how much sugar is dissolve in the wort, and thus how much fermentation can take place once yeast is added Final Gravity is the measure of the density after fermentation. The difference between these two values indicates the amount of alcohol produced during fermentation.
- What is "Reinheitsgbot"?
- Reinheitsgbot is a German purity law dating to 1516. It states that beer can be made using only water, hops, malt and yeast. Top of the Hill follows this law. Some larger American brewing companies use adjuncts (other fermentable materials) such as rice and corn.
- How many Imperial pints does a keg hold?
- How many Imperial pints does a serving tank hold?
- What is the maximum alcohol percentage for beer allowed by North Carolina state law?
- 15% by volume
- What is the ideal head measurement for a beer?
- 1/2 to 5/8 inches--feel free to ask teh tender to fix and improper head of beer!
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