McDonald's Barista Coffee Maker Interview Questions and Answers

Steam noob is used in coffee making to froth milk and create espresso-based drinks with rich textures and flavors.

• Frothing milk: Steam noob heats and aerates milk, creating microfoam for lattes and cappuccinos.

• Brewing espresso: Steam pressure helps extract flavors from coffee grounds, enhancing the espresso's richness.

• Cleaning: Steam can be used to sanitize equipment, ensuring a clean brewing environment.

A blind basket is used in espresso machines to facilitate cleaning and maintenance without brewing coffee.

• Blind baskets are solid and do not have holes, preventing water from passing through.

• They are primarily used for backflushing espresso machines to clean the group head.

• Backflushing helps remove coffee oils and residues, ensuring better flavor and machine longevity.

• Example: After a busy shift, a barista uses a blind...read more

The hopper in a coffee maker stores coffee beans before grinding, ensuring freshness and convenience for brewing.

• Hopper capacity varies; larger hoppers hold more beans for extended use.

• Example: A 1-pound hopper can brew multiple pots without refilling.

• Hoppers often have airtight seals to maintain bean freshness.

• Some hoppers feature adjustable settings for different grind sizes.

Cafiza is a cleaning solution designed for espresso machines, effectively removing coffee oils and residues.

• Cafiza is used to clean espresso machine group heads, ensuring optimal flavor extraction.

• It helps maintain the performance of the machine by preventing buildup of coffee oils.

• Cafiza can be used in backflushing, a process that cleans the internal components of the espresso machine.

• For example, using Cafiza weekly ...read more