Electric Welding Machine Working Principle: The electric welding machine sets may be either dc or ac type. 1. DC Welding Sets: Such sets are of two types namely (i) generator…
Electronic Control in Resistance Welding Process: As there are several factors, i.e., current, pressure, heat, time, to be considered, manual control does not yield good results in case of resistance…
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…
Heating of Buildings - Factors and Types: The purpose of most forms of space-heating installation is to provide comfortable conditions in which people can work or relax. Space heating of…
Protection of AC Generators and Motors Interview Questions and Answers: 1. What are the common types of generator faults ? Ans. The common types of faults occurring in synchronous generators…
Insulation Resistance of a System Interview Questions and Answers: 1. What are the faults that are likely to occur in cables ? Ans. The faults which are likely to occur…
Feedback Amplifier Interview Questions and Answers: 1. What is feedback in amplifiers? Ans. The process of combining a fraction of output energy back to the input is called the feedback. 2.…
Op Amps with Negative Feedback Interview Questions and Answers: 1. What kind of negative feedback is present in a noninverting op-amp? Ans. Negative voltage series feedback. 2. What is effect of…