RSA NSW Standard Drinks 1 — Questions and Answers
Question 1: How many grams of pure alcohol does one standard drink contain in Australia?
- 5 grams
- 10 grams (Correct answer)
- 15 grams
- 20 grams
Correct answer: 10 grams
In Australia, one standard drink is defined as containing exactly 10 grams of pure alcohol, regardless of the type of beverage.
Question 2: A 375mL can of full-strength beer at 4.8% ABV contains approximately how many standard drinks?
- 1.0 standard drink
- 1.2 standard drinks
- 1.4 standard drinks (Correct answer)
- 1.8 standard drinks
Correct answer: 1.4 standard drinks
A 375mL can at 4.8% ABV contains approximately 1.4 standard drinks, calculated as 375 × 0.048 × 0.789 ÷ 10.
Question 3: What is the correct formula for calculating the number of standard drinks in a beverage?
- Volume (L) × ABV% × 1.0
- Volume (mL) × ABV% × 0.789 ÷ 10 (Correct answer)
- Volume (mL) ÷ ABV% × 10
- Volume (L) × ABV% ÷ 0.789
Correct answer: Volume (mL) × ABV% × 0.789 ÷ 10
Standard drinks = Volume (mL) × ABV% × 0.789 ÷ 10, where 0.789 is the density of ethanol in g/mL.
Question 4: How many standard drinks are typically in a 150mL glass of wine at 13% ABV?
- 1.0 standard drink
- 1.5 standard drinks (Correct answer)
- 2.0 standard drinks
- 2.5 standard drinks
Correct answer: 1.5 standard drinks
A 150mL glass of wine at 13% ABV contains approximately 1.5 standard drinks (150 × 0.13 × 0.789 ÷ 10 ≈ 1.54).
Question 5: A standard 30mL shot of spirits at 40% ABV equals approximately how many standard drinks?
- 0.5 standard drinks
- 0.8 standard drinks
- 1.0 standard drink (Correct answer)
- 1.5 standard drinks
Correct answer: 1.0 standard drink
A 30mL shot at 40% ABV contains approximately 1 standard drink (30 × 0.40 × 0.789 ÷ 10 ≈ 0.95).
Question 6: Why is it important for RSA-trained staff to understand the concept of standard drinks?
- To calculate the bar tab accurately
- To monitor how much alcohol a patron is consuming (Correct answer)
- To determine the correct price for cocktails
- To comply with health food labelling laws
Correct answer: To monitor how much alcohol a patron is consuming
Understanding standard drinks helps staff objectively monitor patron alcohol consumption to identify when someone may be approaching or has reached intoxication.
Question 7: How many standard drinks are in a 750mL bottle of wine at 13% ABV?
- 5 standard drinks
- 6 standard drinks
- 7.7 standard drinks (Correct answer)
- 9 standard drinks
Correct answer: 7.7 standard drinks
A 750mL bottle of wine at 13% ABV contains approximately 7.7 standard drinks, which is why this information must appear on the label.
RSA NSW Standard Drinks 1
How many grams of pure alcohol does one standard drink contain in Australia?