以下為「技術大解密：地鐵標誌製作及美國軍隊披薩野戰口糧的秘密 Tech Revealed Subway Sign in London and MRE Pizza for the U.S. Military」e等公務園+測驗解答，共 21 題，供公務人員學習參考。
What is the key challenge in stabilizing pizza for a long period of time?
- Preventing water leaching between components
- Maintaining consistent taste and texture
- Finding suitable ingredients for the dough
- Minimizing the use of preservatives
What is the purpose of the oxygen absorbing sachet in the pizza MRE packaging?
- To enhance the flavor of the pizza
- To make the pizza last longer
- To absorb excess moisture
- To prevent the growth of bacteria
What was the main disadvantage of using canned food for soldiers’ rations?
- It required refrigeration
- It was too expensive
- It took up valuable space
- It had a short shelf life
Where is the London Underground’s roundel sign manufactured?
- London
- Paris
- Isle of Wight
- Farrington
What ingredient is added to the pizza sauce to prevent it from seeping into the dough?
- Sugar
- Salt
- Tomato paste
- Humectants
What surprising ingredient is added to the enamel mixture to prevent cracking during firing?
- Clay
- Quartz
- Urea
- Glass
What was invented in 1976 as an alternative to canned food?
- Flexible packaging
- Freeze-dried food
- Vacuum-sealed containers
- Portable refrigerators
What material is the roundel sign made of?
- Steel
- Plastic
- Enamel
- Glass
What is the final step in the manufacturing process of the roundel sign?
- Applying enamel ink
- Baking in the furnace
- Screwing the sections together
- Cutting the steel back plate
What is the purpose of the MRE?
- To serve as a lightweight alternative to canned food for soldiers during battles.
- To offer people a variety of food choices, including pizza, during deployments.
- To supply soldiers with a low-calorie meal that can last up to 1,000 days.
- To provide a quick and convenient meal option for soldiers at home.
Which technique is used to apply colors to the roundel sign?
- Silk screen printing
- Spray painting
- Hand-painting
- Engraving
How do scientists simulate three years of changing climates in a shorter time?
- By using special ovens
- By storing the pizza slices in refrigerators
- By condensing the changes into six months
- By exposing the pizza slices to extreme temperatures
What is the main challenge in stabilizing pizza for a long period of time?
- Ensuring the dough is super tender.
- Preventing the sauce from having too much acidity.
- Interacting with different components of the pizza.
- Finding a suitable container for the pizza.
To make it into a long-lasting tube sign, a strong steel backplate is cut into a roundel shape, __________ a computer-controlled cutting machine.
- a
- with
- of
- to
What is the main purpose of the London Underground’s roundel sign?
- To symbolize Britain’s capital city
- To provide directions to tourists
- To withstand London’s rush hour
- To decorate the tube stations
What is the temperature at which the signs are baked in the furnace?
- degrees Celsius
- degrees Celsius
- degrees Celsius
- degrees Celsius
What is the purpose of silk screen printing in the sign-making process?
- To add colors to the sign
- To apply enamel paste to the steel
- To cut the steel back plate into a roundel shape
- To fuse the enamel ink to the sign
How are the signs coated with enamel applied to the steel back plate?
- Brushed on with a brush
- Slop onto the bare steel
- Sprayed on with an air gun
- Dipped in enamel mixture
What feedback did soldiers give after tasting the pizza MRE?
- It tasted fresh out of the oven
- It was too sweet and acidic
- The cheese was not good
- The crust was too hard
What is the shelf life requirement for MREs?
- year without refrigerating
- years without refrigerating
- years without refrigerating
- years without refrigerating
What material is used to make the screens for silk screen printing?
- Silk
- Nylon
- Pine oil
- Clay