CFPS Draft Beer Systems and Technology 3

Question 1

What technology does a long-draw draft system use to maintain beer quality when the cooler is far from the bar?

Accepted Answer

Insulated trunk lines with circulating glycol coolant from a remote walk-in cooler

Answer

A long-draw system uses insulated trunk lines through which glycol coolant circulates, keeping beer at proper serving temperature as it travels from a remote cooler to distant taps.

Question 2

What line material is recommended for modern draft beer systems over traditional vinyl tubing?

Accepted Answer

Polyethylene barrier tubing

Answer

Polyethylene barrier tubing is the modern standard because its barrier layer resists CO2 permeation and flavor absorption better than vinyl, maintaining beer quality especially in long-draw systems.

Question 3

What is the function of a trunk line in a long-draw draft system?

Accepted Answer

To bundle and insulate beer lines and glycol lines running together from the cooler to the bar

Answer

A trunk line is an insulated bundle containing both the beer lines and glycol coolant lines, enabling multiple taps to be served from a remote cooler while maintaining proper temperature throughout.

Question 4

Which of the following is a sign that draft beer is being dispensed at too low a temperature?

Accepted Answer

Beer appearing cloudy or icy in the glass

Answer

Beer served at or below 32°F can begin to freeze, appearing visually hazy or icy in the glass, and the extreme cold also suppresses flavor perception.

Question 5

How many gallons does a standard US half-barrel keg hold?

Accepted Answer

15.5 gallons

Answer

A standard US half-barrel keg holds 15.5 gallons, which yields approximately 165 twelve-ounce servings and is the most common commercial keg size.

CFPS - Certified Cicerone Practice Test

CFPS - Certified Cicerone Practice Test

CFPS Draft Beer Systems and Technology 3