CFPS Beer Service and Cellar Management 2

Question 1

What CO2 pressure range is typically used to maintain a properly carbonated keg of American lager at 38°F?

Accepted Answer

10–14 PSI

Answer

25–30 PSI

Answer

2–5 PSI

Answer

35–40 PSI

Question 2

Beer lines that are too long or have too little resistance will cause:

Accepted Answer

Foamy, over-carbonated pours

Answer

Flat, under-carbonated pours

Answer

Oxidized off-flavors

Answer

Skunky light-struck aromas

Question 3

How often should draft beer lines be cleaned according to the Brewers Association guidelines?

Accepted Answer

At least every two weeks

Answer

Once per year

Answer

Only when a new keg is tapped

Answer

Daily with hot water rinse

Question 4

What is the purpose of a mixed gas (beer gas) blend such as 70% N2 / 30% CO2?

Accepted Answer

To serve stouts and nitro beers at low carbonation with a creamy, cascading head

Answer

To increase alcohol content during service

Answer

To purge oxygen from empty kegs before filling

Answer

To force-carbonate beer faster

Question 5

A 'bright tank' in a brewery is used for:

Accepted Answer

Final conditioning, carbonation, and storage before packaging or service

Answer

Initial mash and wort separation

Answer

Fermenting beer with active yeast

Answer

Storing grain before milling

Question 6

When tapping a new keg, what is the first step a cellarman should take?

Accepted Answer

Allow the keg to rest at cellar temperature for at least 24 hours before tapping

Answer

Connect the gas line immediately upon delivery

Answer

Tap the keg while warm to purge any contamination

Answer

Shake the keg to mix any settled yeast