技術大解密：地鐵標誌及美國軍隊披薩野戰口糧 Tech Revealed Subway Sign and MRE Pizza《解答》

題庫總數：21
是非題：0
選擇題：21 (A：7、B：4、C：9、D：1)
多選題：0
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Q	r	What is the key challenge in stabilizing pizza for a long period of time?
v	o	Preventing water leaching between components
	d	Maintaining consistent taste and texture
	d	Finding suitable ingredients for the dough
	a	Minimizing the use of preservatives
	y	r.o.d.d.a.y.e.y.e.
Q	e	What is the purpose of the oxygen absorbing sachet in the pizza MRE packaging?
	y	To enhance the flavor of the pizza
v	e	To make the pizza last longer
	.	To absorb excess moisture
	r	To prevent the growth of bacteria
	o	r.o.d.d.a.y.e.y.e.
Q	d	What was the main disadvantage of using canned food for soldiers' rations?
	d	It required refrigeration
	a	It was too expensive
v	y	It took up valuable space
	e	It had a short shelf life
	y	r.o.d.d.a.y.e.y.e.
Q	e	Where is the London Underground's roundel sign manufactured?
	.	London
	r	Paris
v	o	Isle of Wight
	d	Farrington
	d	r.o.d.d.a.y.e.y.e.
Q	a	What ingredient is added to the pizza sauce to prevent it from seeping into the dough?
	y	Sugar
	e	Salt
	y	Tomato paste
v	e	Humectants
	.	r.o.d.d.a.y.e.y.e.
Q	r	What surprising ingredient is added to the enamel mixture to prevent cracking during firing?
	o	Clay
	d	Quartz
v	d	Urea
	a	Glass
	y	r.o.d.d.a.y.e.y.e.
Q	e	What was invented in 1976 as an alternative to canned food?
v	y	Flexible packaging
	e	Freeze-dried food
	.	Vacuum-sealed containers
	r	Portable refrigerators
	o	r.o.d.d.a.y.e.y.e.
Q	d	What material is the roundel sign made of?
	d	Steel
	a	Plastic
v	y	Enamel
	e	Glass
	y	r.o.d.d.a.y.e.y.e.
Q	e	What is the final step in the manufacturing process of the roundel sign?
	.	Applying enamel ink
	r	Baking in the furnace
v	o	Screwing the sections together
	d	Cutting the steel back plate
	d	r.o.d.d.a.y.e.y.e.
Q	a	What is the purpose of the MRE?
v	y	To serve as a lightweight alternative to canned food for soldiers during battles.
	e	To offer people a variety of food choices, including pizza, during deployments.
	y	To supply soldiers with a low-calorie meal that can last up to 1,000 days.
	e	To provide a quick and convenient meal option for soldiers at home.
	.	r.o.d.d.a.y.e.y.e.
Q	r	Which technique is used to apply colors to the roundel sign?
v	o	Silk screen printing
	d	Spray painting
	d	Hand-painting
	a	Engraving
	y	r.o.d.d.a.y.e.y.e.
Q	e	How do scientists simulate three years of changing climates in a shorter time?
	y	By using special ovens
	e	By storing the pizza slices in refrigerators
v	.	By condensing the changes into six months
	r	By exposing the pizza slices to extreme temperatures
	o	r.o.d.d.a.y.e.y.e.
Q	d	What is the main challenge in stabilizing pizza for a long period of time?
	d	Ensuring the dough is super tender.
	a	Preventing the sauce from having too much acidity.
v	y	Interacting with different components of the pizza.
	e	Finding a suitable container for the pizza.
	y	r.o.d.d.a.y.e.y.e.
Q	e	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
v	r	with
	o	of
	d	to
	d	r.o.d.d.a.y.e.y.e.
Q	a	What is the main purpose of the London Underground's roundel sign?
v	y	To symbolize Britain's capital city
	e	To provide directions to tourists
	y	To withstand London's rush hour
	e	To decorate the tube stations
	.	r.o.d.d.a.y.e.y.e.
Q	r	What is the temperature at which the signs are baked in the furnace?
	o	200 degrees Celsius
	d	500 degrees Celsius
v	d	800 degrees Celsius
	a	1000 degrees Celsius
	y	r.o.d.d.a.y.e.y.e.
Q	e	What is the purpose of silk screen printing in the sign-making process?
v	y	To add colors to the sign
	e	To apply enamel paste to the steel
	.	To cut the steel back plate into a roundel shape
	r	To fuse the enamel ink to the sign
	o	r.o.d.d.a.y.e.y.e.
Q	d	How are the signs coated with enamel applied to the steel back plate?
	d	Brushed on with a brush
	a	Slop onto the bare steel
v	y	Sprayed on with an air gun
	e	Dipped in enamel mixture
	y	r.o.d.d.a.y.e.y.e.
Q	e	What feedback did soldiers give after tasting the pizza MRE?
v	.	It tasted fresh out of the oven
	r	It was too sweet and acidic
	o	The cheese was not good
	d	The crust was too hard
	d	r.o.d.d.a.y.e.y.e.
Q	a	What is the shelf life requirement for MREs?
	y	1 year without refrigerating
v	e	3 years without refrigerating
	y	5 years without refrigerating
	e	10 years without refrigerating
	.	r.o.d.d.a.y.e.y.e.
Q	r	What material is used to make the screens for silk screen printing?
	o	Silk
v	d	Nylon
	d	Pine oil
	a	Clay
	y	r.o.d.d.a.y.e.y.e.
	e
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