1 |
What is the primary advantage of 3D food printing?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
2 |
Which component is NOT part of a standard 3D food printer?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
5 |
What role does rheology play in 3D food printing?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
10 |
What is the significance of surface tension in the context of 3D food printing?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
11 |
What is the primary benefit of using electrostatic field-assisted freezing (EFAF) on gluten?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
12 |
Which functional property of gluten is NOT improved by EFAF according to the article?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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%?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
15 |
How does EFAF affect the α-helix content of gluten proteins?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
16 |
What is the effect of EFAF on the depolymerization degree of gluten macromolecules at 600 V?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
17 |
Assuming the electrostatic field changes the orientation of water molecules, what physical property does this directly influence during freezing?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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.
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
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?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
20 |
What is the significance of the g-g-g configuration of disulfide bonds in gluten proteins under EFAF?
|
|
|
|
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|