31. What causes white smoke in two stroke locomotive engines? That is the engine running too lean (lack of fuel). This condition will lead to overheating and failure of the …
21. How pipe flanges are electrically insulated? Pipe flanges are protected from corrosion by means of electrolysis, with dielectric flanges. The piping system is electrically insulated by what is called …
11. What is annealing? It is a process of heating a material above the re-crystallization temperature and cooling after a specific time interval. This increases the hardness and strength if …
1. Explain the second law of thermodynamics. The entropy of the universe increases over time and moves towards a maximum value.
