RSA NSW Standard Drinks

Question 1

How many grams of pure alcohol does one standard drink contain in Australia?

Accepted Answer

10 grams

Answer

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?

Accepted Answer

1.4 standard drinks

Answer

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?

Accepted Answer

Volume (mL) × ABV% × 0.789 ÷ 10

Answer

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?

Accepted Answer

1.5 standard drinks

Answer

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?

Accepted Answer

1.0 standard drink

Answer

A 30mL shot at 40% ABV contains approximately 1 standard drink (30 × 0.40 × 0.789 ÷ 10 ≈ 0.95).

RSA NSW Practice Test