Butt Welding - Definition, Types, Advantages, Disadvantages and Applications: Welding of two pieces of metal together with a butt weld can be carried out by different resistance welding processes. The…
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…
Water Cooler Working Principle and Types: Water is one of the most needed thing for a person. In summer season cold water gives life to a thirsty person. At 10°C…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 241. The voltage follower is commonly used as (a) Switch. (b) Isolator. (c) Regulator. (d) None of these. Answer :…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 2: 58. What is the typical value for the ratio of current in a p-n junction diode in the forward bias…
Train Movement and Energy Consumption Interview Questions and Answers: 1. What is meant by speed-time curve ? Ans. The curve drawn between speed and time taking speed on the Y-axis…
Traction Systems Interview Questions and Answers: 1. Why steam engine drive is not suitable for urban and suburban services where distance between stations is small ? Ans. Because of low…
Electrolytic Processes Interview Questions and Answers: 1. What is electrolysis ? Ans. The breaking of a substance (known as electrolyte) into ions by flow of electric current through it is…