Draft Systems And Storage

Question 1

What is the name of the part that automatically stops the flow of beer when the keg empties?

Answer 1

FOB (foam on beer)

Question 2

How often should draft lines be changed?

Answer 2

Once every two weeks 

Question 3

When must an FOB detector be reset?

Answer 3

After changing the keg

Question 4

If draft lines are not cleaned regularly, which flavors are most likely to develop?

Answer 4

Butter and oiliness, vinegar

Question 5

If one of the draft lines is pouring foamy, what are two potential causes?

Answer 5

Temperature of the keg is too high

Kink in the coupler / wall hose

Question 6

Why must draft lines be cleaned regularly?

Answer 6

To prevent bacterial infection

Question 7

To limit oxidation while maintaining beer quality, what is the optimal temperature range for beer storage?

Answer 7

35-45 degrees

Question 8

Beer stored at room temperature for several months is most likely to develop which flavor?

Answer 8

Paper and wet cardboard

Question 9

What beer attribute is fixed in bottled beer but can be affected in draft beer?

Answer 9

Carbonation

Question 10

How many gallons is a 1/2 barrel?

Answer 10

15.5 gal

Question 11

How many gallons is 1/4 barrels?

Answer 11

7.75 gal

Question 12

How many gallons is 1/6 barrels?

Answer 12

5.15 gal

Question 13

When does non-pasteurized draft beer expire?

Answer 13

45-60 days

Question 14

When does pasteurized draft beer expire?

Answer 14

90-120 days

Question 15

When does bottled beer expire?

Answer 15

Six months refrigerated, three months non-refrigerated

Question 16

What percentage of light does brown glass block?

Answer 16

98%

Question 17

What percentage of light does green glass block?

Answer 17

20%

Question 18

What kind of packaging best prevents skunking?

Answer 18

Cans
Ceramic bottles
Bottles in closed case boxes

Question 19

What is a party pump and why is it detrimental?

Answer 19

Party pumps exposed the beer to air so that it becomes oxidized within less than 24 hours

Question 20

What gases must be present to ensure that draft beer is served properly?

Answer 20

CO2 or CO2 and nitrogen at the proper pressure setting

Question 21

T/F: Compressed air is a proper substitution for CO2 and nitrogen in a draft system

Answer 21

False

Question 22

What are the four key elements of a draft system?

Answer 22

1. Keg
2. Coupler
3. FOB
4. Faucet

Question 23

What is the standard temperature of a draft system operation?

Answer 23

38 degrees F

Question 24

Who should adjust gas and pressure settings for the draft system?

Answer 24

A draft trained professional

Question 25

What are the five troubleshooting steps for draft systems?

Answer 25

1. Ensure keg was cooled 24 hours 2. Ensure coupler is secure 3. Check FOB is functional 4. No kinks in hoses 5. Call professional

Question 26

How often should draft systems be cleaned? Why?

Answer 26

Every 14 days to prevent off flavors

Question 27

T/F: bottle, conditioned beers should be stored upright at 70°F

Answer 27

False: should be stored upright, so sediment settles, but should be stored at 43° or lower per brewer instruction

Question 28

What is the proper technique for changing a keg?

Answer 28

1. Pull handle to disengage coupling 2. Turn counter clockwise 90° 3. Apply coupling to new keg 4. Turn new keg, 90° clockwise 5. Lower handle to engage coupling 6. Prime FOB detector

Question 29

Storing beer away from light helps prevent which off flavor?

Answer 29

Skunk

Question 30

What part of the draft system allows gas to flow in and out?

Answer 30

Coupler

Question 31

What is the proper position of a coupler connected to a keg?

Answer 31

Clockwise to tread on keg with handle down