Question Set 74
1. 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…
Question Set 73
1. 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…
Question Set 72
1. Explain the second law of thermodynamics. The entropy of the universe increases over time and moves towards a maximum value. 2. What kinds of pipes are used for steam…
Question Set 71
1.Why gas containers are mostly in a cylindrical shape? The ideal shape would be a sphere. The container must have the capacity to withstand the extremely high pressure of liquefied…
Question Set 70
1.Explain what is torque Torque is the force that causes rotation. It is a measure of how much force is acting on an object making it rotate. 2.What is the…
Question Set 69
1.What is a process flow diagram? A Process Flow Diagram is a user friendly, simplified sketch which illustrates general plant streams, major equipments and key central loops and shows the…
Question Set 67
1. What kind of materials should be used for shafts manufacturing? Some of the qualities that should be present in materials for shafts are as follows: > The material should…
Question Set 68
1. In order to derive the torsional formulas what are the assumptions taken? The torsion equation is derived on the basis of following assumptions: > The shaft material is uniform,…
Question Set 66
1.What are the factors that can affect the Factor of safety selection? The factor of safety is used in designing a machine component. Prior to selecting the correct factor of…
Question Set 65
1. Which reactor produces more fissionable material than it consumes ? Ans: Breeder reactor. 2. Which reactor uses natural uranium as fuel ? Ans: Gas cooled reacator. 3. Which reactor uses heavy water as moderator…
