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Sir meter regulator me upar ki taraf ek black cap hota h uska kya function h mere igl meter me jo regulater laga hua h uska black cap halka sa open h ...kya ye safe h ...... please please reply sir
pls we have some questions:- 1- CV( Calorific v) how can we find it at a different pressure & describe formula to find out CV at different pressure point ? 2- Why does Laser light detect only CH4 even if there are many gases surrounding or Environment?? 3- what's the working method of the LEL detector ? 4- What is the standard size of the wall chamber & Stone marker and what are the main important guidelines or standards and pit size during construction? 5 - How much depth is required during MDPE laying at - different stages ( River , Canal , Road , Railway Crossing? 6- Why does Natural gas have -ve Melting point & flash point ? Even water has 100°c for boiling ... 7- What are the most important full forms in CGD & Standard codes ? 8-Which type of Gauge we are using during Riser & mono testing, And types of Gauge and What's different b/w Absolute gauge and Normal gauge ? 9-whats are quality & properties, Advantage of MDPE pipe ?? 10- What's Lamb's formula! Is this important in CGD If so why ?? 11- What is M5 to M30 And pls describe M?? 12- How can we find more cheap NG compared with Cylinder at the same price ? 13- Why do we require a Heater at FRS/ DCU / MS? If yes, pls describe the rule? 14- what's the processing of GI pipe manufacturing and Zink coting? Pls describe code and Valume 15- what are Boyl's & charl's law ?? Where are these rules following in CGD ? 16- As built & As Graph difference and sizes !? 17- pls describe the Service Regulator installation process and fittings ? 18- pls describe Domestic meter / Regulator and GI pipe company name ? 19- what are procedures and standards of Restoration at different levels ( PCC/ RCC/ Bituminous) 20- Warning Board, SR cage , Poll marker , Warning mate , Warning plate sizes and pit sizes & Which standards are important should be followed during Installation?? 21- Is there a Moling hole size that should be limited during laying if yes then how much hole size ? 22- In Technicaly Basic difference b/w SSV , CRV, PRV What's the role of RTD,TTD ! 23- pls describe the full layout of DCU & FRS with drawing and standards ? 24 - Please describe Fire cylinder , which type and weight of cylinder required at DCU/ CNG Station & validity date ? 26- If During River pipe line crossing ( MDPE ) min depth from Top lever 2.5 mtr, if yes so why and what's parameter during laying ? 27- what's formula to find out Calorific Value at different different pressure?? 28- Pls Describe Full Method of HDD pit angle , Slight angle , Radius of Curvature, Tangents angle & Calibration method ? 29- what's side we will count in Hard Rock , Holders, Boulder?? 30- what is Emissions reffect value of Natural gas? 31-pls describe some full form in details ---- A- RFC B- LMC C- PPT D- MTT E- AGA F- GIS G- QCI H- ISO I - IS
Kon sa pipe Alag alag category ke hot hai.. 1- GI pipe 2- MDPE pipe 3- Rubber pipe Much more....... Apko kis kaam ke liye lena hai us pe depend karta hai..... Size bhi ... Alag alag hota hai....
