Home/Welding Technology

World's #1 Metallurgy Student Community Latest Questions

Askmemetallurgy Official
Asked: In:

The temperature profile (T in Kelvin) of an arc weld across its width is given as𝑇 = 2000 exp(−0.3𝑥2) where 𝑥 (in mm) is the distance from the weld centre. The melting point of the base material is 1500 K. ...Read more

The temperature profile (T in Kelvin) of an arc weld across its width is given as𝑇 = 2000 exp(−0.3𝑥2) where 𝑥 (in mm) is the distance from the weld centre. The melting point of the base material is 1500 K. The width of the fusion zone is  _________(in mm tO two decimal places).

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

8.57%(A)Epoxy resins ( 3 voters )
77.14%(B) Near-eutectic alloys ( 27 voters )
5.71%(C) Refractory alloys ( 2 voters )
8.57%(D) Large freezing range alloys ( 3 voters )
Based On 35 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

16.9%(A)Gas Metal Arc Welding ( 12 voters )
66.2%(B)Electro Slag Welding ( 47 voters )
8.45%(C)Electron Beam Welding ( 6 voters )
8.45%(D)Laser Beam Welding ( 6 voters )
Based On 71 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

10.81%(A) P > Q > R ( 4 voters )
64.86%(B) Q > R > P ( 24 voters )
10.81%(C) R > P > Q ( 4 voters )
13.51%(D) P > R > Q ( 5 voters )
Based On 37 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

9.52%(A) Both [a] and [r] are true and [r] is the correct reason of [a]. ( 2 voters )
80.95%(B) Both [a] and [r] are true and [r] is not the correct reason of [a]. ( 17 voters )
9.52%(c) Both [a] and [r] are false. ( 2 voters )
0%(D) [a] is true but [r] is false.
Based On 21 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

12.5%(A) Ultrasonic welding ( 6 voters )
14.58%(B) Friction welding ( 7 voters )
16.67%(C) Diffusion bonding ( 8 voters )
56.25%(D) Electroslag welding ( 27 voters )
Based On 48 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

0%(A) a is true but r is false
0%(B) a is false but r is true
100%(C) both a and r are true, and r is the reason for a ( 11 voters )
0%(D)both a and r are true, but r is not the reason for a
Based On 11 Votes

Participate in Poll, Choose Your Answer.

Read less
Askmemetallurgy Official
Poll
Asked: In:

Poll Results

63.64%(A) Gas tungsten arc welding ( 49 voters )
12.99%(B) Gas metal arc welding ( 10 voters )
20.78%(C) Submerged arc welding ( 16 voters )
2.6%(D) Flux cored arc welding ( 2 voters )
Based On 77 Votes

Participate in Poll, Choose Your Answer.

Read less