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1


What is the primary advantage of 3D food printing?

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2


Which component is NOT part of a standard 3D food printer?

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3


If a 3D printer deposits a food layer with a thickness of 0.1 mm and builds up to a height of 20 mm, how many layers are required?

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4


A printer uses an extrusion process where the food material flows at a rate of 5 mm³/s. How long will it take to print a food item of 1000 mm³

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5


What role does rheology play in 3D food printing?

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6


If the surface tension of a food material affects its ability to form shapes, what physical property does it influence the most during printing?

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7


Heat transfer in 3D food printing affects the quality of the final product. Which heat transfer method is NOT typically involved in 3D food printing?

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8


If a 3D printer uses a laser with a power of 10 W and the efficiency of converting electrical energy to thermal energy is 80%, what is the actual thermal energy used for printing?

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9


Assume the thermal conductivity of a food material is 0.2 W/mK. If the temperature gradient is 10 K/m, what is the heat flux through the material?

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10


What is the significance of surface tension in the context of 3D food printing?

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11


What is the primary benefit of using electrostatic field-assisted freezing (EFAF) on gluten?

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12


Which functional property of gluten is NOT improved by EFAF according to the article?

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13


If the WHC (Water Holding Capacity) of gluten increased by 0.25% under 900 V electrostatic field compared to the control, what would be the new WHC if the original was 55%?

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14


If a sample of gluten (50 mg) is added to 4 mL of water and centrifuged, resulting in a dry weight of 20 mg, what is the WHC?

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15


How does EFAF affect the α-helix content of gluten proteins?

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16


What is the effect of EFAF on the depolymerization degree of gluten macromolecules at 600 V?

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17


Assuming the electrostatic field changes the orientation of water molecules, what physical property does this directly influence during freezing?

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18


Given that the electrostatic field is applied at 900 V and improves the water holding capacity by 0.25%, calculate the increase if the original water holding capacity was 2.5 g/g.

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19


If the emulsification stability of gluten increased by 10% under EFAF and the original stability index was 50, what would be the new stability index?

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20


What is the significance of the g-g-g configuration of disulfide bonds in gluten proteins under EFAF?

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