EXAM ACTUAL EXAM QUESTION AND
ANSWERS UPDATED 2025
COMPREHENSIVE STUDY GUIDE 2026
QUESTIONS WITH VERIFIED ANSWERS
GRADED A+
⩥ espresso dosage. Answer: 7-10g, x2 for double
⩥ espresso brew ratio. Answer: between 1:1.5-1:2.5
⩥ espresso shot time. Answer: 20-30 seconds
⩥ espresso bars of pressure. Answer: 7-11 atmospheres (9 ideal)
⩥ water quality is critical for. Answer: equipment longevity
⩥ Hard water creates. Answer: mineral deposits and destroyed espresso
equipment
, ⩥ what does a water softener do. Answer: high concentration of sodium
ions in salty water displaces calcium and magnesium ions in the resin
and it then becomes covered with sodium ions
⩥ carbon filter removes. Answer: chlorine, the main cause for bad
tasting water
⩥ what to look for in espresso. Answer: fragrance/aroma, acidity, body,
finish
⩥ arabica's % of global production. Answer: 60-75
⩥ robusta's % of global production. Answer: <40
⩥ liberica % of global production. Answer: <1.5
⩥ arabica is native to. Answer: Ethiopia and South Sudan
⩥ Arabica prefers. Answer: high elevations with cool nights
⩥ Arabica preferred average temperature. Answer: 66-72 F
⩥ Arabica's pollination. Answer: self-pollinating