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Tag Archives: PDMS Course in Chennai Mumbai Noida Hyderabad

Questions Related to Pipe Under Stress:- Part-2

Questions Related to pipe under stress oilandgasclub

7. What are the other stresses against which the design of piping is safe guarded? A. Principal stress. B. Shear stress. Apart from the stress which is normal to the surface of the crystal as mentioned in question No. 4, the grains would have been oriented in the pipe wall in all possible orientations. The above stresses (axial, circumferential and radial stress) ... Read More »

Questions Related to Pipe Under Stress:- Part-1

oilandgasclub.com stress

1. What are primary loads? Mention some of primary loads? These are typically steady or sustained types of loads. These loads have their origin in some force acting on the pipe causing tension, compression, torsion etc leading to normal and shear stress. Primary loads are not self limiting. Some of the primary loads are as:- A. Internal fluid pressure B. External ... Read More »

Question Related to Mechanical Design Fundamentals:- Part–2

mechanical fundamentals

1. How much design temperature shall be considered for the structural parts which are heated by steam, thermic fluid etc? Design temperature shall be the highest expected temperature of the heating media or highest expected body part temperature plus 10C. Here, 10 C is the safety margin. 2. Define proof stress? It is also called 0.2% proof stress. It is the stress ... Read More »

Questions Related to Pipes Supports:- Part-2

oilandgasclub.com pipe support

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

oilandgasclub.com (2)

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 »

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 »

East China May See Heavy Inflows Of Cheap LNG Imports

LNG

East China may see heavy inflows of cheap LNG imports. LNG prices in China have been falling since the market has been in oversupply since early last year while demand has remained weak, industry sources said. Eastern China may see an influx of low-cost liquefied natural gas (LNG) imports in the coming months as domestic cargoes are available at much ... Read More »

U.S. Businesses Brace for Oil Investment Downturn

oil investment downturn

U.S. businesses brace for oil investment downturn: Kemp Oil and gas producers accounted for almost $1 in every $8 of new business investment in the U.S. economy in 2013, according to new data published by the Census Bureau. In terms of comparative statics, the U.S. economy will eventually be better off as a result of the plunge in oil and ... Read More »

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