In arc welding, the electric arc is produced between the work and the electrode by September 14, 2025 by Admin voltage flow of current contact resistance all of these ✅ The correct answer is option C.
In __________ welding, the weld may be made either from left to right or from right to left. September 14, 2025 by Admin fore-hand back-hand vertical ✅ The correct answer is option C.
The cold chisels are made by September 14, 2025 by Admin drawing rolling piercing forging ✅ The correct answer is option D.
The cross-section of a chisel is usually September 14, 2025 by Admin rectangular square hexagonal octagonal ✅ The correct answer is option D.
The difference between the upper limit and lower limt of a dimension is called September 13, 2025 by Admin nominal size basic size actual size tolerance ✅ The correct answer is option D.
In spot welding, the spacing between two spot weld should not be less than September 13, 2025 by Admin d 1.5 d 3 d 6 d ✅ The correct answer is option C.
For arc welding September 13, 2025 by Admin alternating current with high frequency is used alternating current with low frequency is used direct current is used any one of these ✅ The correct answer is option C.
The metal is subjected to mechanical working for September 13, 2025 by Admin refining grain size reducing original block into desired shape controlling the direction of flow lines all of these ✅ The correct answer is option D.
Linde welding uses September 13, 2025 by Admin neutral flame and right-ward technique oxidising flame and left-ward technique neutral flame and left-ward technique carburising flame and ✅ The correct answer is option D.
Hot piercing is extensively used for making bolts and nuts. September 13, 2025 by Admin Yes No ✅ The correct answer is option B.