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ACF CC practice questions

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Question 1Food Safety and Sanitation

What temperature range is the food safety danger zone?

  1. 135°F to 165°F (57°C to 74°C)
  2. 41°F to 135°F (5°C to 57°C) Correct answer.
  3. 32°F to 41°F (0°C to 5°C)
  4. 0°F to 32°F (-18°C to 0°C)

Explanation

Bacteria that cause foodborne illness grow most rapidly between 41°F and 135°F. TCS food should be kept below 41°F or above 135°F whenever possible. Time in the danger zone should be minimized.

Question 2Food Safety and Sanitation

What is the minimum recommended time for washing hands with soap and warm water?

  1. 20 seconds Correct answer.
  2. 45 seconds
  3. 5 seconds
  4. 2 minutes

Explanation

Proper handwashing requires scrubbing with soap and warm water for at least 20 seconds. This includes the backs of hands, between fingers, and under nails. Hand sanitizer is not a substitute for handwashing.

Question 3Food Safety and Sanitation

A cook cuts raw chicken, wipes the board with a dry cloth, and then slices ready-to-eat fruit on the same board. What is the primary risk?

  1. Cross-contamination from poultry juices Correct answer.
  2. Freezer burn from temperature abuse
  3. Physical hazard from board fibers
  4. Chemical contamination from sanitizer residue

Explanation

Raw poultry juices can transfer pathogens such as Salmonella to ready-to-eat food. The board must be washed, rinsed, and sanitized between raw and ready-to-eat uses. A dry cloth does not remove or kill pathogens.

Question 4Food Safety and Sanitation

Which practice correctly follows FIFO stock rotation?

  1. Place new deliveries in front of older stock
  2. Store canned goods by brand name only
  3. Use the oldest stock before newer deliveries Correct answer.
  4. Use products with the longest shelf life first

Explanation

FIFO means first in, first out: older product is used before newer product. This reduces waste and limits the chance of expired food being used. Deliveries should be stored behind existing stock.

Question 5Food Safety and Sanitation

At what temperature should frozen food be received?

  1. Between 32°F and 41°F (0°C to 5°C)
  2. At or below 0°F (-18°C) Correct answer.
  3. At or below 45°F (7°C)
  4. At or below 32°F (0°C)

Explanation

Frozen food should be received frozen solid, generally at or below 0°F. Temperatures above that suggest thawing or temperature abuse during transport. Reject frozen food that shows signs of thawing and refreezing.

Question 6Food Safety and Sanitation

A large pot of chili must be cooled from 135°F to 70°F within how many hours?

  1. 2 hours Correct answer.
  2. 4 hours
  3. 1 hour
  4. 6 hours

Explanation

The first cooling stage requires reducing food from 135°F to 70°F within 2 hours. The food must then reach 41°F within 4 more hours, for a total of 6 hours. Faster cooling is safer and should be used when possible.

Question 7Food Safety and Sanitation

What is the minimum internal temperature for reheating leftover TCS food for hot holding?

  1. 155°F (68°C) for 30 seconds
  2. 135°F (57°C) for 15 seconds
  3. 145°F (63°C) for 15 seconds
  4. 165°F (74°C) for 15 seconds Correct answer.

Explanation

Leftover TCS food that will be hot held must be reheated to 165°F for at least 15 seconds. The food should reach this temperature within 2 hours. Reheating to a lower temperature may not eliminate pathogens that grew during storage.

Question 8Food Safety and Sanitation

What is the minimum internal cooking temperature for a whole chicken?

  1. 165°F (74°C) Correct answer.
  2. 145°F (63°C)
  3. 160°F (71°C)
  4. 155°F (68°C)

Explanation

Poultry, including whole chicken, must be cooked to a minimum internal temperature of 165°F. The thermometer should be inserted into the thickest part without touching bone. Poultry is a high-risk food for Salmonella and Campylobacter.

Question 9Food Safety and Sanitation

What is the minimum internal cooking temperature for ground beef patties?

  1. 135°F (57°C)
  2. 155°F (68°C) Correct answer.
  3. 145°F (63°C)
  4. 165°F (74°C)

Explanation

Ground beef must be cooked to at least 155°F for 15 seconds because grinding distributes surface bacteria throughout the meat. Whole beef steaks may be cooked to 145°F, but ground beef requires a higher temperature. Color is not a reliable indicator of doneness.

Question 10Food Safety and Sanitation

What is the minimum hot-holding temperature for TCS food?

  1. 120°F (49°C)
  2. 155°F (68°C)
  3. 135°F (57°C) Correct answer.
  4. 145°F (63°C)

Explanation

TCS food held hot must stay at 135°F or above to prevent bacterial growth. Check the temperature at least every 4 hours. Food that falls below 135°F should be reheated or discarded according to policy.

Question 11Food Safety and Sanitation

What is the maximum cold-holding temperature for TCS food?

  1. 35°F (2°C)
  2. 41°F (5°C) Correct answer.
  3. 45°F (7°C)
  4. 32°F (0°C)

Explanation

TCS food must be held at 41°F or below to limit bacterial growth. Lower temperatures slow growth further but may affect quality. Temperatures above 41°F place food in the danger zone.

Question 12Food Safety and Sanitation

A thermometer reads 38°F in an ice-water bath. What should the chef do?

  1. Place it in boiling water to reset
  2. Use it as is; ice water is 32°F
  3. Calibrate it so it reads 32°F Correct answer.
  4. Adjust it to 0°F before use

Explanation

An ice-water bath should read 32°F at sea level. If the thermometer reads 38°F, it is inaccurate and must be calibrated before use. The ice-point method is a common calibration check.

Question 13Food Safety and Sanitation

Why should a sanitizing solution be tested with test strips?

  1. To confirm concentration Correct answer.
  2. To verify sanitizer brand
  3. To check solution temperature
  4. To measure water hardness

Explanation

Test strips confirm that the sanitizer is at the required concentration. Too weak a solution may not reduce pathogens, while too strong a solution can leave chemical residue. Concentration should be checked each time a batch is mixed.

Question 14Food Safety and Sanitation

What is the correct order for manual warewashing in a three-compartment sink?

  1. Rinse, wash, sanitize
  2. Sanitize, wash, rinse
  3. Wash, rinse, sanitize Correct answer.
  4. Wash, sanitize, rinse

Explanation

Items are washed in detergent, rinsed to remove soap and soil, then sanitized in the third compartment. Air drying follows sanitizing; towels should not be used. The sanitizer must be at the proper concentration and contact time.

Question 15Food Safety and Sanitation

In a HACCP plan, which step is a critical control point?

  1. Cleaning the walk-in cooler each week
  2. Training staff on handwashing procedures
  3. Cooking poultry to 165°F Correct answer.
  4. Receiving produce from an approved supplier

Explanation

A critical control point is a step where a control measure can prevent, eliminate, or reduce a food safety hazard to an acceptable level. Cooking poultry to 165°F is measurable and directly controls pathogens. Supplier approval, training, and cleaning are important but are not usually CCPs.

Question 16Food Safety and Sanitation

Which item is a biological food safety hazard?

  1. Salmonella on raw eggs Correct answer.
  2. Sanitizer residue on a plate
  3. Glass fragment in ice
  4. Metal shaving in a salad

Explanation

Biological hazards include bacteria, viruses, parasites, and fungi. Salmonella on raw eggs is a bacterial hazard. Glass, metal, and sanitizer residue are physical or chemical hazards.

Question 17Food Safety and Sanitation

A cook has a cut on the hand and prepares deli meat without a bandage. Which pathogen is most likely to be introduced?

  1. Listeria monocytogenes
  2. Vibrio vulnificus
  3. Staphylococcus aureus Correct answer.
  4. Clostridium botulinum

Explanation

Staphylococcus aureus is commonly carried on skin, in wounds, and in the nose. It can be transferred to food by bare-hand contact, and its toxins are not destroyed by normal cooking. Covering wounds and using proper handwashing are essential controls.

Question 18Food Safety and Sanitation

Which pathogen is most commonly linked to ready-to-eat foods handled by an infected worker?

  1. Norovirus Correct answer.
  2. Bacillus cereus
  3. Campylobacter jejuni
  4. Clostridium perfringens

Explanation

Norovirus spreads easily through bare-hand contact with ready-to-eat food and causes vomiting and diarrhea. Infected workers must be excluded from food handling. Handwashing and no bare-hand contact are key controls.

Question 19Food Safety and Sanitation

Which control is most important for preventing Listeria growth in a deli cooler?

  1. Rotate stock by brand
  2. Hold cooler at 41°F or below Correct answer.
  3. Keep cooler at 45°F (7°C)
  4. Rinse deli meats under running water

Explanation

Listeria can grow at refrigeration temperatures, so keeping the cooler at 41°F or below is critical. Regular cleaning and sanitizing also help control Listeria in moist environments. Ready-to-eat deli meats should be date marked and rotated.

Question 20Food Safety and Sanitation

Which condition most favors Clostridium botulinum growth?

  1. Acidic, aerobic, refrigerated food
  2. High-salt, dry, frozen food
  3. Hot, oxygen-rich, fresh food
  4. Low-acid, anaerobic, warm food Correct answer.

Explanation

Clostridium botulinum grows in low-acid, anaerobic environments at warm temperatures. Vacuum-packed or canned low-acid foods are particular risks if temperature controls fail. Boiling does not destroy botulinum spores, although it does destroy the toxin.

Question 21Food Safety and Sanitation

A server uses the same tongs for shrimp and grilled chicken. What is the main concern?

  1. Physical contamination
  2. Chemical contamination
  3. Allergen cross-contact Correct answer.
  4. Time-temperature abuse

Explanation

Shellfish is a major food allergen, and shared utensils can transfer shrimp proteins to chicken. This is allergen cross-contact, which can cause a severe reaction. Separate utensils or cleaned and sanitized utensils must be used.

Question 22Food Safety and Sanitation

An employee has vomiting and diarrhea. What should the manager do?

  1. Assign to cold salad preparation
  2. Exclude from food handling Correct answer.
  3. Allow work with careful handwashing
  4. Give gloves and a mask

Explanation

Employees with vomiting or diarrhea must be excluded from food handling because they can spread pathogens such as Norovirus. The manager should follow reporting and return-to-work policies. Gloves and masks do not make an ill employee safe to work with food.

Question 23Food Safety and Sanitation

Ready-to-eat TCS food prepared in-house and held at 41°F must be date marked and used within how many days?

  1. 3 days
  2. 5 days
  3. 7 days Correct answer.
  4. 10 days

Explanation

Ready-to-eat TCS food held at 41°F or below must be date marked and used within 7 days. The count includes the day of preparation. Food held longer must be discarded.

Question 24Food Safety and Sanitation

A chef finds rodent droppings near dry storage. What is the first action?

  1. Set traps and resume normal storage
  2. Report to manager and close the area Correct answer.
  3. Spray the area with sanitizer only
  4. Sweep droppings into trash and continue

Explanation

Rodent droppings indicate a pest infestation and can carry pathogens. The area should be closed, the manager notified, and pest control involved. Cleaning should be done carefully with PPE, and exposed food should be discarded.

Question 25Food Safety and Sanitation

What is the difference between cleaning and sanitizing?

  1. Cleaning kills germs; sanitizing removes grease
  2. Cleaning is only for floors; sanitizing is for dishes
  3. Cleaning and sanitizing mean the same thing
  4. Cleaning removes soil; sanitizing reduces germs Correct answer.

Explanation

Cleaning removes food, grease, and other soil from a surface. Sanitizing reduces microorganisms to safe levels after cleaning. A surface cannot be effectively sanitized if it is still dirty.

Question 26Food Safety and Sanitation

What is the minimum time a food handler should scrub their hands and forearms with soap during handwashing?

  1. 10 seconds
  2. 20 seconds Correct answer.
  3. 5 seconds
  4. 60 seconds

Explanation

Food handlers must scrub their hands and forearms with soap for at least 20 seconds before rinsing and drying with a single-use towel. This contact time helps lift and remove transient microorganisms from the skin. Shorter scrubbing times are unlikely to remove contamination effectively.

Question 27Food Safety and Sanitation

What temperature range is known as the temperature danger zone for TCS food?

  1. 41°F to 135°F Correct answer.
  2. 165°F to 212°F
  3. 0°F to 41°F
  4. 135°F to 165°F

Explanation

The temperature danger zone is 41°F to 135°F, where TCS food is most vulnerable to rapid bacterial growth. TCS food must be held at or below 41°F or at or above 135°F to limit growth.

Question 28Food Safety and Sanitation

Which of these is one of the major food allergens identified by U.S. federal law?

  1. Corn
  2. Rice
  3. Sesame Correct answer.
  4. Potatoes

Explanation

Under U.S. federal labeling law, sesame is one of the major food allergens, along with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, and soybeans. Rice, corn, and potatoes are not major allergens.

Question 29Food Safety and Sanitation

Which item is an example of a physical food safety hazard?

  1. Mold growing on bread in dry storage
  2. Sanitizer residue left on a plate after washing
  3. Norovirus transferred to a cutting board
  4. A metal shaving in a bowl of soup Correct answer.

Explanation

Physical hazards are hard or foreign objects that can injure a consumer, such as metal shavings, bone fragments, glass, or stones. Chemical and biological hazards involve substances or microorganisms rather than foreign objects.

Question 30Food Safety and Sanitation

Where should raw poultry be stored in a refrigerator relative to ready-to-eat foods?

  1. On the bottom shelf, below ready-to-eat foods Correct answer.
  2. On the same shelf, as long as it is wrapped
  3. On the top shelf, above ready-to-eat foods
  4. Next to ready-to-eat foods in a covered container

Explanation

Raw poultry must be stored on the bottom shelf, below ready-to-eat and other raw foods, so juices cannot drip onto them. Poultry also requires a higher cooking temperature than most other foods, which increases the risk if cross-contamination occurs.

Question 31Food Safety and Sanitation

After a pot of stew has been cooled from 135°F to 70°F, within how many hours must it reach 41°F or lower?

  1. 6 hours
  2. 8 hours
  3. 2 hours
  4. 4 hours Correct answer.

Explanation

Cooling is a two-stage process: food must go from 135°F to 70°F within 2 hours and then from 70°F to 41°F within an additional 4 hours. The total cooling time must not exceed 6 hours.

Question 32Food Safety and Sanitation

What is the typical acceptable concentration range for a chlorine-based sanitizing solution used on food-contact surfaces?

  1. 5 to 10 ppm
  2. 50 to 100 ppm Correct answer.
  3. 500 to 800 ppm
  4. 200 to 400 ppm

Explanation

A chlorine sanitizing solution for food-contact surfaces is typically prepared at 50 to 100 ppm, following the manufacturer's directions. Concentration should be checked with test strips because too little sanitizer will not kill pathogens and too much can leave harmful residue.

Question 33Food Safety and Sanitation

A high-temperature dishwashing machine must have a final rinse that reaches what minimum temperature at the manifold?

  1. 180°F Correct answer.
  2. 160°F
  3. 140°F
  4. 120°F

Explanation

In a high-temperature dish machine, the final rinse must reach at least 180°F at the manifold so that utensils and dishes are sanitized by heat. Lower rinse temperatures may clean but will not reliably sanitize food-contact surfaces.

Question 34Food Safety and Sanitation

What is the maximum acceptable receiving temperature for shell eggs?

  1. 55°F
  2. 50°F
  3. 45°F Correct answer.
  4. 60°F

Explanation

Shell eggs must be received at an ambient temperature of 45°F or lower and then placed in refrigeration promptly. Receiving them at warmer temperatures allows Salmonella growth and shortens shelf life.

Question 35Food Safety and Sanitation

Which activity is the first of the seven HACCP principles?

  1. Verifying the HACCP plan
  2. Establishing corrective actions
  3. Determining critical control points
  4. Conducting a hazard analysis Correct answer.

Explanation

The first HACCP principle is to conduct a hazard analysis to identify biological, chemical, and physical hazards and the steps where they can be controlled. Critical control points, critical limits, monitoring, corrective actions, verification, and recordkeeping follow.

Question 36Food Safety and Sanitation

A kitchen prepares a salad with no dairy ingredients but uses the same mixing bowl, without cleaning, that held a cream-based dressing. Which risk is created?

  1. Physical contamination from equipment
  2. Time-temperature abuse
  3. Chemical contamination from sanitizer
  4. Allergen cross-contact Correct answer.

Explanation

Allergen cross-contact occurs when an allergen is transferred from one food or surface to another that should not contain it. Shared equipment must be cleaned and sanitized between uses when preparing allergen-free foods.

Question 37Food Safety and Sanitation

When TCS food is held using time as a public health control, what must be done with the food at the end of 4 hours?

  1. It may be reheated to 165°F and returned to holding.
  2. It may be rapidly cooled and stored for later use.
  3. It must be discarded. Correct answer.
  4. It may be relabeled with a new 4-hour time mark.

Explanation

When time alone is used as a public health control, TCS food must be marked with the time it was removed from temperature control and discarded after 4 hours. It cannot be cooled, reheated, or relabeled for continued sale.

Question 38Food Safety and Sanitation

Which freezing schedule is acceptable for destroying parasites in fish that will be served raw?

  1. Freeze at -4°F or below for 7 days Correct answer.
  2. Freeze at 10°F for at least 24 consecutive hours
  3. Freeze at -10°F for at least 2 consecutive hours
  4. Freeze at 0°F for at least 12 consecutive hours

Explanation

For raw fish that will be served without cooking, freezing must follow a validated schedule such as -4°F or below for 7 days, or -31°F or below for 15 hours. These conditions destroy parasites such as roundworms and tapeworms.

Question 39Food Safety and Sanitation

Cooked rice was left at room temperature for several hours and then reheated. Which pathogen is most likely responsible if a foodborne illness occurs?

  1. Bacillus cereus Correct answer.
  2. Hepatitis A virus
  3. Listeria monocytogenes
  4. Vibrio vulnificus

Explanation

Bacillus cereus spores survive cooking and can germinate when cooked rice is held at warm room temperature. The organism produces a heat-stable toxin that is not destroyed by reheating, so the rice can still cause illness.

Question 40Food Safety and Sanitation

A backup of raw sewage occurs in the kitchen during service. What should the person in charge do first?

  1. Move the food to the dining room and keep serving while the sewage is cleaned up.
  2. Close only the affected area and continue serving food from another station in the kitchen.
  3. Pour bleach over the sewage, let it drain, and resume normal operations after mopping.
  4. Stop operations, notify the regulator, and correct the hazard before reopening. Correct answer.

Explanation

A sewage backup is an imminent health hazard because it can contaminate food, equipment, and surfaces with pathogens. The person in charge must stop operations, notify the regulatory authority, correct the problem, and clean and sanitize before resuming service.

Question 41Culinary Fundamentals and Techniques

In classical knife work, a julienne is cut to which dimensions?

  1. 1/16 by 1/16 by 2 inches
  2. 1/4 by 1/4 by 2 inches
  3. 1/2 by 1/2 by 2 inches
  4. 1/8 by 1/8 by 2 inches Correct answer.

Explanation

Julienne is a stick cut about 1/8 inch square in cross-section and roughly 2 inches long. The 1/4-inch stick is a batonnet, and the 1/16-inch stick is a fine julienne. Cutting a batch to a uniform size lets every piece cook at the same rate.

Question 42Culinary Fundamentals and Techniques

Which of these is one of the five classical French mother sauces?

  1. Bordelaise
  2. Béarnaise
  3. Velouté Correct answer.
  4. Mornay

Explanation

The five mother sauces are béchamel, velouté, espagnole, hollandaise and sauce tomate. The other sauces named here are built on a mother sauce rather than standing on their own. Knowing the family tree lets a cook improvise a small sauce without a recipe.

Question 43Culinary Fundamentals and Techniques

The Maillard reaction requires which pair of reactants?

  1. Acid and alkaline ingredients
  2. Amino acids and reducing sugars Correct answer.
  3. Fat and boiling water
  4. Moist heat and starch granules

Explanation

Maillard browning occurs when amino acids and reducing sugars react under dry heat, generally above about 300°F (150°C). The reaction creates brown pigments and the roasted flavors of seared meat, toast and coffee. Surface moisture must first be driven off, because water holds the surface near the boiling point.

Question 44Culinary Fundamentals and Techniques

In a professional kitchen, mise en place most nearly means:

  1. Setting up ingredients before cooking Correct answer.
  2. The French term for a fixed-price, multi-course menu
  3. A rotating schedule for deep-cleaning walk-in coolers
  4. The final plating of a dish just before it leaves the pass

Explanation

Mise en place translates as "everything in its place" and refers to the advance preparation that lets a cook work cleanly during service. It covers measuring ingredients, cutting garnishes and arranging tools and containers within reach. Solid mise en place shortens ticket times and reduces mistakes under pressure.

Question 45Culinary Fundamentals and Techniques

A roux is made by cooking together:

  1. Equal parts flour and fat by weight Correct answer.
  2. Twice as much flour as fat by weight
  3. Three parts butter to one part flour
  4. Equal parts flour and cold water by volume

Explanation

A roux is equal weights of flour and a fat such as butter or oil, cooked together to remove the raw cereal taste. The fat coats the starch granules and keeps them separate so the roux disperses smoothly into liquid. The 50/50 ratio also makes thickening power predictable when a recipe is scaled.

Question 46Culinary Fundamentals and Techniques

Vegetables are usually blanched before freezing mainly to:

  1. Add a protective layer of starch to the surface
  2. Deepen their color and soften them completely through
  3. Set color and deactivate browning enzymes Correct answer.
  4. Increase their water content for a longer shelf life

Explanation

A brief dip in boiling water followed by an ice bath deactivates polyphenol oxidase and other enzymes that cause off-flavors, browning and nutrient loss in frozen storage. It also sets bright color. The vegetable should stay firm, because full softening would leave it mushy on reheating.

Question 47Culinary Fundamentals and Techniques

In the standard breading procedure, food passes through which sequence?

  1. Flour, egg wash, breadcrumbs Correct answer.
  2. Breadcrumbs, flour, egg wash
  3. Egg wash, flour, breadcrumbs
  4. Flour, breadcrumbs, egg wash

Explanation

Flour dries the surface so the egg has something to grip, the egg wash acts as the adhesive, and the crumbs form the outer crust. Omitting the flour usually causes the coating to slide off in the fryer. Keep one hand for dry steps and one for wet so batter does not build up on your fingers.

Question 48Culinary Fundamentals and Techniques

The temperature range in which foodborne bacteria multiply fastest is:

  1. 41°F to 135°F (5°C to 57°C) Correct answer.
  2. 32°F to 41°F (0°C to 5°C), the chill storage range
  3. 135°F to 212°F (57°C to 100°C), the hot holding range
  4. 0°F to 32°F (-18°C to 0°C), the frozen storage range

Explanation

Bacteria multiply most rapidly between 41°F and 135°F (5°C to 57°C), so food should pass through that band quickly and spend no more than about four hours total in it. Cold holding keeps food at 41°F or below and hot holding at 135°F or above. Frozen storage halts growth almost entirely.

Question 49Culinary Fundamentals and Techniques

Mayonnaise holds its emulsion largely because of which component?

  1. Lecithin in the egg yolk Correct answer.
  2. Gelatin released from the vinegar
  3. Gluten from the flour in the recipe
  4. Casein proteins from the dairy base

Explanation

Lecithin and other phospholipids in egg yolk act as emulsifiers, surrounding oil droplets and keeping them from merging. Mayonnaise is an oil-in-water emulsion in which the yolk phase is small relative to the oil. Without enough emulsifier, or with oil added too quickly, the droplets coalesce and the sauce breaks.

Question 50Culinary Fundamentals and Techniques

A high proportion of butter in shortcrust pastry makes it crumbly mainly because the fat:

  1. Absorbs water and steams the dough from the inside during baking
  2. Raises the dough temperature so the yeast ferments faster
  3. Coats flour proteins and limits gluten strands Correct answer.
  4. Reacts with baking soda to release carbon dioxide gas

Explanation

Fat coats the flour proteins and blocks the water they need in order to hydrate and form long gluten chains. Shorter gluten gives a tender, crumbly texture instead of a chewy one. This is why fats used this way are called shortening.