1.
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
2.
What material is used to make the screens for silk screen printing?
Silk
Nylon
Pine oil
Clay
3.
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
4.
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
5.
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
6.
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
7.
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
8.
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
9.
What is the shelf life requirement for MREs?
1 year without refrigerating
3 years without refrigerating
5 years without refrigerating
10 years without refrigerating
10.
What material is the roundel sign made of?
Steel
Plastic
Enamel
Glass
11.
What surprising ingredient is added to the enamel mixture to prevent cracking during firing?
Clay
Quartz
Urea
Glass
12.
Which technique is used to apply colors to the roundel sign?
Silk screen printing
Spray painting
Hand-painting
Engraving
13.
What ingredient is added to the pizza sauce to prevent it from seeping into the dough?
Sugar
Salt
Tomato paste
Humectants
14.
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
15.
Where is the London Underground's roundel sign manufactured?
London
Paris
Isle of Wight
Farrington
16.
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
17.
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.
18.
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
19.
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.
20.
What was invented in 1976 as an alternative to canned food?
Flexible packaging
Freeze-dried food
Vacuum-sealed containers
Portable refrigerators
21.
What is the temperature at which the signs are baked in the furnace?
200 degrees Celsius
500 degrees Celsius
800 degrees Celsius
1000 degrees Celsius
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