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Cleaning and disinfecting

50 questions, 90 minutes, 80% to pass — just like the real test. Take your time.

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Question 1 of 6You may use the same cloth to clean the floor and the work table.
The right answer: False

Here is why: False. Saudi rules say cloths used for floors must not be used on other surfaces. Floors carry dirt and germs that can reach food.

Question 2 of 6Raw meat juice spills on a work table during service. When should you clean it?
  1. At once: clean and disinfect it
  2. At the end of the shift
  3. When the table is used again
  4. Only if a customer can see it
The right answer: A. At once: clean and disinfect it

Here is why: Saudi rules say food contact surfaces must be cleaned and disinfected as soon as something spills on them. Germs from raw meat juice spread fast to other food.

Question 3 of 6Why must you clean a surface with detergent before you disinfect it?
  1. Because detergent kills all the germs
  2. Because disinfectant only works on wet metal
  3. Because dirt and grease block disinfectant
  4. Because it makes the surface look shiny
The right answer: C. Because dirt and grease block disinfectant

Here is why: Detergent removes dirt, grease and food bits. Disinfectant cannot reach germs under dirt, so Saudi rules use two stages: clean first, then disinfect.

Question 4 of 6When may you use a spray disinfectant alone (one-stage cleaning)?
  1. For deep cleaning at the end of the day
  2. For quick cleaning during work
  3. For removing thick grease from the oven
  4. Instead of washing dirty pots
The right answer: B. For quick cleaning during work

Here is why: Saudi rules say a spray disinfectant alone can be used for quick cleaning during work. Deep cleaning needs two stages: detergent first, then disinfectant.

Question 5 of 6The disinfectant label says: 'Leave on the surface for 5 minutes.' What should you do?
  1. Wipe it off at once with a cloth
  2. Leave it on for only 5 seconds
  3. Add more water so it works faster
  4. Wait 5 minutes, then wipe or rinse
The right answer: D. Wait 5 minutes, then wipe or rinse

Here is why: Saudi rules say use disinfectant as the maker says, including how long it stays on the surface (contact time). If you wipe it off too early, germs may survive.

Question 6 of 6You need to clean the inside of a fridge. Put the steps in the right order.
  • Disinfect the inside and let it dry
  • Move the food to another cold fridge
  • Put the food back when it is at 0–4 °C
  • Wash the inside and shelves with detergent, then rinse
The right answer: Move the food to another cold fridge → Wash the inside and shelves with detergent, then rinse → Disinfect the inside and let it dry → Put the food back when it is at 0–4 °C

Here is why: Keep food cold while you clean. Clean first, then disinfect. Saudi rules say fridges must be cleaned and disinfected regularly, and chilled food is kept at 0–4 °C.

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