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Tag Archives: PDS Course in Chennai

Question Related to Mechanical Design Fundamentals:- Part-1

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1. What are the failures with reference to the structural design? Failure of a structural part can occur by :- A. Excessive elastic deformation. B. Excessive non- elastic deformation. C. Fracture. Any design has to guard against these perceived failures. 2. What are the factors upon which the mechanical properties of material are dependent? Mechanical properties of any material of ... Read More »

Question Related to Equipment and Piping Layout:- Part-2

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9. What is line routing diagram? A line routing diagram is a schematic representation of all process and utility – piping system drawn on a copy of plot plan. This diagram does not show the exact locations, elevations or interference but it locates the most congested area. 10. How do you calculate the width of pipe rack? W = (f X n ... Read More »

Question Related to Equipment and Piping Layout:- Part-1

oilandgasclub.com

1. What are the steps involve in plant design? The mechanical design and development of the plant has three major steps as:- A. Conceptual layout design. B. Equipment layout design. C. Piping layout design. 2. What is conceptual layout design? It is the part of basic engineering package. It consists of following information:- A. Essential process design requirement such as ... Read More »

Questions Related to Pipes Supports:- Part-2

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7. Where do you provide anchor and slotted support of heat exchanger? Anchor support of heat exchanger is provided on the side from which tube bundle will be pulled out for the purpose of maintenance work also it is based on the growth of the connecting piping as exchanger should grow with the piping. 8. What should be the material of shoes ... Read More »

Questions Related to Pipes Supports:- Part-1

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1. What are the criteria for pipe supporting? Following are the points, which should be taken into account for proper supporting:- A. Load of bare pipe + fluid + insulation (if any). B. Load of bare pipe + water fill. C. Load of valves and online equipment and instrument. D. Thermal loads during operation. E. Steam out condition, if applicable. ... Read More »

Questions Related to Welding / Weld Defects / Post Heating / Post Weld Heat Treatment / Electrode / Filler Wire:- Part-3

electrode filler wire

21. Where the use of electrode E7018 is recommended? The use of electrode E7018 is recommended for welding the following:- A. For high strength steel. B. For high thickness carbon steel plates. C. Higher carbon equivalent material. 22. Why the electrode E7018 is called low hydrogen electrode? The low hydrogen electrodes have in their coating ingredient, which produces carbon di-oxide ... Read More »

Questions Related to Welding / Weld Defects / Post Heating / Post Weld Heat Treatment / Electrode / Filler Wire:- Part-2

welding-weld-defects

11. What is the pre-heat temperature for carbon steel above 19.05MM thk? Pre – heat temperature for carbon steel above 19.05 mm is 80C. 12. Is post heating required for carbon steel material above 19.05MM thk? No, post heating is not required for carbon steel material of any thickness. 13. What is the soaking temperature during stress reliving for carbon ... Read More »

Questions Related to Valves

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1. What is the function of valves? A. Isolation. B. Regulation. C. Non-return. D. Special purpose. 2. How the valves are classified based on their function? A. Isolation. 1. Gate valve. 2. Ball valve 3. Plug valve. 4. Piston valve. 5. Diaphragm valve. 6. Butterfly valve. 7. Pinch valve. B. Regulation 1. Globe valve. 2. Needle valve. 3. Butterfly valve. ... Read More »

Questions Related to Pipe Fittings:-Part-3

oilandgasclub.com pipie fitting question

31. What is the main use of ASTM A53 & A106 Gr.B pipes? ASTM A53 pipes are mainly used for utility services whereas A106 Gr. B pipes are used for high pressure & high temperature services. 32. From which side of pipe will you take a branch connection? When fluid is gas, air or steam and cryogenic service – topside. ... Read More »

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