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Q
General coarseness of the microstructure (Melt) is largely determined by the _______
Quang Hiếu
Sep 21, 2021
Answers
1
Views
1K
Sep 21, 2021
Nguyễn Thị Thuý
N
N
Wire diameters in the Gas metal arc welding ranges from _______
Nguyễn Thanh Uyên
Sep 21, 2021
Answers
1
Views
387
Sep 21, 2021
Hưng Thịnh
H
L
How much impact does a nucleation barrier can create to the solidification when melt has approximately the same composition as the base
Lê Thị Kiều Giang
Sep 21, 2021
Answers
1
Views
406
Sep 21, 2021
Võ Kiều
V
N
Which among the following is the first automated arc welding process?
Nguyễn Hồ Ngọc Anh
Sep 21, 2021
Answers
1
Views
615
Sep 21, 2021
Nguyễn Thanh Uyên
N
P
Calculate the heat density if the power transferred is 1000W and the corresponding surface area is 10m$^{2}$?
Phương Quyên
Sep 21, 2021
Answers
1
Views
545
Sep 21, 2021
Nguyễn Cap Tuyến
N
In general dendritic and cellular substructures in welds tend to be on a finer scale than in casting.
Ngô Thị Vân
Sep 21, 2021
Answers
1
Views
534
Sep 21, 2021
Phạm Công Thành
P
P
Plasma arc welding is a special form of ____
Pham Quỳnh
Sep 21, 2021
Answers
1
Views
301
Sep 21, 2021
Ngô Thị Vân
N
P
Typical shielding gases in TIG welding includes ______
Pham Quỳnh Anh
Sep 21, 2021
Answers
1
Views
450
Sep 21, 2021
Phác Chí Huấn
P
Đ
Welding can be considered as a ______
Đinh Văn Đức
Sep 21, 2021
Answers
1
Views
289
Sep 21, 2021
Nguyễn Nguyệt Ánh
D
TIG welding of thin plates will give steeper thermal gradients than submerged arc welding of thick plates, the latter process will have
Danh Trịnh
Sep 21, 2021
Answers
1
Views
296
Sep 21, 2021
Bờm
B
L
An important effect of increasing the welding speed is that the shape of the weld pool changes from an elliptical shape to a ___________
Lượng Tiger
Sep 21, 2021
Answers
1
Views
316
Sep 21, 2021
Khánh Đoan
K
N
The breakdown of solid/liquid interface at the local equilibrium can be due to___
Ngân Lam
Sep 21, 2021
Answers
1
Views
593
Sep 21, 2021
Sheeshy Sipgrark
S
Đ
It is seen that for crystal growth rate, R, to keep pace with the welding speed, 3m/s, the condition must be met that for this to happen
Đinh Thu Trang
Sep 21, 2021
Answers
1
Views
509
Sep 21, 2021
Đạt Michio
Đ
N
Which among the following solidification can occur without microsegregation?
Nguyễn Tuấn Dương
Sep 21, 2021
Answers
1
Views
420
Sep 21, 2021
Nguyễn Thiệu Vy
N
D
Solidification can also occur at much higher rates of 10$^{4}$-10$^{7}$K/s. In which among the following it is not applicable?
Daniel William
Sep 21, 2021
Answers
1
Views
388
Sep 21, 2021
Nguyễn Cap Tuyến
D
What happens to the entropy in a system with constant volume and constant internal energy during a spontaneous process?
Dương Mạnh Cường
Sep 21, 2021
Answers
1
Views
302
Sep 21, 2021
Linh Chi
L
N
Two crystal structures are in equilibrium and their Gibbs energies are the same. Thus, the driving force for the transformation is_________
Nguyễn Linh Trang
Sep 21, 2021
Answers
1
Views
434
Sep 21, 2021
Quang Hiếu
Q
N
The quantum of energy in an elastic wave is called a ___________
Ngoc Hue
Sep 21, 2021
Answers
1
Views
330
Sep 21, 2021
Lâm Phung
L
T
Graphite and diamond at room temperature and pressure are examples of _____________
Trường Phan
Sep 21, 2021
Answers
1
Views
272
Sep 21, 2021
Mỹ An
M
Đ
When the system is at local equilibrium, its Gibbs free energy (G) function has reached its minimum value.
Đinh Yến
Sep 21, 2021
Answers
1
Views
319
Sep 21, 2021
Nguyễn Thuỳ Chi
N
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