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 »
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 »
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 »
16. On which type of flanges the use of spiral wound gasket are restricted? ASME B16.5 does not recommend the use of 150 # rating spiral wound gasket on flanges other than welding neck and lapped joint type. 17. Up to what temperature limits the low strength carbon steel bolts should not be used for flanged joints? Flanged joints using low strength ... Read More »
1. What is the ASME code followed for design of piping systems in process piping (refineries & chemical industries)? (i) B 31.1 (ii) B 31.3 (iii) B 31.5 (iv) B 31.9 Answer:- (II) 2. Which American Institute Standard does piping engineer refer? A. The American Petroleum Institute (API). B. The American Iron & Steel Institute (AISI). C. The American Society for ... Read More »
Ans: Following are the codes and standards – ASME SEC I Rules for construction of power boilers. ASME SEC VIII Rules for construction of pressure vessels. ASME B 31.1 Power piping ASME B 31.3 Process piping ASME B 31.4 Pipeline transportation system for liquid hydrocarbon and other liquids. API RP 520 Sizing selection and installation of pressure relieving Devices in refineries ... Read More »
MARIAN is a material management system for plant & pipeline engineering. Its main applications are in the construction of processing plants for the chemical, pharmaceutical, and mineral oil industries and for industrial pipeline and power station construction. MARIAN is an application package based on the ORACLE relational database. It consists of the database (tables) and the application (screens & lists). ... Read More »
51. During fabrication you observed that one small crack has appeared on a fresh plate, what type of measure you will take to obtain desired quality with minimum wastage? First identify the exact length of crack by DP test. Drill on the end point to resist further crack. Remove the crack portion by cutting the strip. 52. What is the ... Read More »
1. What is the ASME code followed for design of piping systems in Process piping (Refineries & Chemical Industries)? A) B31.1 B) B31.3 C) B31.5 D) B31.9 Ans: (B) 2. What do you mean by following items? A) ISLB-400 B) ISMB-600 C) ISHB-350 D) ISMC-300 E) ISJB-150 F) ISLB-200 G) ISMB-450 H) ISWB-400 I) ISJC-200 J) ISLC-350 K) ISMC-250 A)Indian STD ... Read More »
The following codes and standards shall be used together with this standard specification for materials, design and dimensional requirements. American National Standard Institute (ANSI) American Society of Mechanical Engineers (ASME) ASME B 31.1 Power piping ASME B 31.3 Process Piping for Petroleum refineries, Chemical, Pharmaceutical, Textile, Paper, Semiconductor & Cryogenic plant ASME B 31.4 Piping generally used for transporting & ... Read More »
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