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Tag Archives: Pipe

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

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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 Pipe Fittings:- Part-2

questions related to pipe fittings

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 »

Questions Related to Pipe Fittings:- Part-1

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1. How can flanges be classified based on pipe attachment? Flanges can be classified based on pipe attachment as:- Slip – on:- The Slip-on type flanges a re attached by welding inside as well as outside. These flanges are of forged construction. Socket Weld:- The Socket Weld flanges are welded on one side only. These are used for small bore lines only. ... Read More »

Questions Related to Materials

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1. What is the ASTM code for the following? A. Pipes :- I. Carbon Steel II. Alloy Steel III. Stainless Steel IV. Nickel Steel. B. Tubes:- I. Carbon Steel II. Alloy Steel III. Stainless Steel IV. Nickel Steel. C. Wrought Iron Fittings:- I. Carbon Steel II. Alloy Steel III. Stainless Steel IV. Nickel Steel. D. Forged Fittings:- I. Carbon Steel ... Read More »

Questions Related to Codes & Standards:-

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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 »

Russia will be Biggest Loser From Oil Price Fall, WARNA IEA

Lower-oil-price

Russia will be biggest loser from oil price fall, warns IEA. Oil prices, which have rallied over the last week, have been under pressure since the end of last year when the Organisation of Petroleum Exporting Countries (Opec). Russia will be the biggest loser from the current downturn in oil prices as the Organisation of the Petroleum Exporting Countries (Opec) ... Read More »

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