ACF Culinary Techniques & Food Preparation 3

Question 1

What is the correct internal temperature for medium-rare beef according to USDA guidelines for foodservice?

Accepted Answer

145°F (63°C)

Answer

The USDA recommends a minimum internal temperature of 145°F (63°C) with a 3-minute rest for whole muscle beef.

Question 2

Which stock is produced by roasting bones and vegetables before simmering, giving the stock a dark color and rich flavor?

Accepted Answer

Brown stock (fond brun)

Answer

Brown stock is made from roasted bones and caramelized vegetables, which provide deep color and complex flavor through the Maillard reaction.

Question 3

A cook is preparing a hollandaise sauce and it becomes too thick. What is the correct adjustment?

Accepted Answer

Whisk in a few drops of warm water

Answer

Adding a small amount of warm water while whisking thins an over-thick hollandaise without breaking the emulsion.

Question 4

What is the function of acid (lemon juice or vinegar) when added to water for poaching eggs?

Accepted Answer

Helps the egg white coagulate faster and hold together

Answer

Acid causes the egg white proteins to denature and coagulate more quickly, keeping the egg compact during poaching.

Question 5

Which dry-heat method cooks food by surrounding it with hot, dry air in an enclosed space, typically at 300°F–450°F?

Accepted Answer

Roasting

Answer

Roasting cooks food uncovered in an oven using hot, dry, circulating air, creating a browned exterior.

(ACF) American Culinary Federation Certification Practice Test