Resistance Welding Machines - Overview and Circuit Diagram: Resistance welding machines incorporates a transformer, suitable electrodes for supplying current to the weld and arrangement for controlling the mechanical pressure, and…
Atomic Hydrogen Welding Working Principle and Applications: The principle of atomic hydrogen welding is based on (i) the possibility of obtaining atomic hydrogen by means of an electric arc between…
Seam Welding - Definition and Working Principle: Definition - Seam welding can be defined as series of continuous spot welds. This process is employed for making a continuous joint between…
Resistance Welding - Definition, Working Principle, Types, Advantages and Disadvantages: Definition - Resistance welding is that process in which a sufficiently strong electric current is sent through the two metal…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 5: 198. Which one of the following devices can be turned 'ON' or 'OFF' by applying gate signal ? (a) SCR.…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 3: 106. Which of the transistor models is most preferred for the analysis of a transistor circuit both at mid-band and…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 12: 552. The electric motor used for traction work should be mechanically (a) small in overall dimensions (specially in its…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 8: 352. The luminous efficiency of a sodium vapour lamp is ............ lumens per watt. (a) 40-50 (b) 50-100 (c)…