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Which of the following statement(s) is/are true regarding butt welding? 1. Flash butt welding is a combination of resistance, arc and pressure welding 2. Upset butt welding is used for welding rods 3. Percussion Welding is a self timing spot welding method 4. Aluminium alloys are flash welded
Consider the following statements regarding welded and riveted joints 1. Welded assemblies are tight and leak proof as compared with riveted assemblies. 2. Single-welded V-joint is less reliable than square butt joint. 3. Welding results in a thermal distortion of the parts, thereby inducing residual stresses. Which of the above statements is/are correct ?
The DRDO has indigenously developed a high-strength beta titanium alloy for manufacturing intricate components for aerospace applications. The beta titanium alloy contains which of the following metals along with Titanium?
In the question below are given two statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Some camphor are rubidium All bauxite is titanium All rubidium is bauxite Conclusions: I. All rubidium is titanium II. Some titanium is a camphor
Which two of the following joining processes are autogenous? i. Diffusion welding ii. Electroslag welding iii. Tungsten inert gas welding iv. Friction welding
The power source in a particular welding setup generates 4000 W that can be transferred to the work surface with a heat transfer factor = 0.9. The metal to be welded is low carbon steel, whose melting temperature, is 1800 K. The melting factor in the operation is 0.6. A continuous fillet weld is to be made with a cross-sectional area = 20 mm2. Determine the travel speed at which the welding operation can be accomplished? (K = 3.33 *10-6)
Which of the following can be easily be welded from flash butt welding process?
in gas welding maximum thickness of material which can be welded with a 30 mm diameter welding rod is
Titanium alloys are welded using the Following process:
The titanium alloys are welded using the following process.