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Tag Archives: SP3D Course in Hyderabad

Conversion of Units

Conversion-of-units

Conversion Factor: 1 Meter = 3.28 Feet 1 Meter = 39.37 Inches 1 Meter = 100 Centimeters 1 Meter = 1000 Millimeters 1 Foot = 12 Inches 1 Inch = 2.54 Centimeters 1 Centimeter = 10 Millimeters S.no English – Fraction (Inch) English Decimal (Inch) English (Millimeter) 1. 1/16 0.0625 1.6 2. 1/8 0.125 3.2 3. 1/4 0.25 6.4 4. ... Read More »

Piping Engineers Must Be Check

Area-and-Volume

AREA Definition: A surface covered by specific shape is called area of that shape. i.e. area of square, circle etc. 1. Square: Area of Square = L x L = L2 Where L = L Length of side So if L = 5 cm Then Area = 5 x 5 = 25 cm2 2. Rectangle: Area of Rectangle = L ... Read More »

Abbreviations for Piping Drawings

Abbreviations for Piping Drawings

General S.No Abbreviation Description 1 BOP Bottom of Pipe 2 CL Center Line 3 EL Elevation 4 GR Grade 5 HC Hose Connection 6 ID Inside Diameter 7 MAT’L Materials 8 MTO Materials Take Off 9 REV Revision 10 OD Outside Diameter 11 SPEC Specification 12 STD Standard 13 BW Butt Weld 14 CONC Concentric 15 ECC Eccentric Related Courses ... Read More »

Control Valve (Handled by Instrumentation Department)

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These valves are self operated type. They have actuators. Actuators operate on the signal received from an instrument. They are used for very fine throttling and to have desired process parameters (pressure, temperature, flow) of fluid. Control valves can be of the following types based on parameters to be controlled: 1) Pressure control valve – Receives signal from pressure indicator ... Read More »

Process Flow Diagram Symbols – Valves

Piping codes and standards

Gate valve is a device used to control the flow of liquids and gases. Check valve also known as one-way valve, is to prevent the line of medium back. Globe valve is a mechanism used to control or stop the flow of liquid or gas through a pipe. Ball valve is a valve with a spherical disc, the part of ... Read More »

Question Related to Post Weld Heat Treatment

post weld heat treatment

1.What is mean by  ‘PWHT’ why is required ? “POST WELD HEAT TREATMENT” this is done to remove residual stress left in the joint which may cause brittle fracture 2.Why pre-heating is done on some pipe before starting welding? To slow down the cooling rate 3.Why post –heating is done on some pipe after the welding is over ? To ... Read More »

Questions for RTR Piping

Stress questions

1.What is the maximum time limit to test backfilled portion? 24 Hr 2.For the line whose joints have not been backfilled what is the maximum time limit for testing ? 04 Hrs 3.a)What is the minimum number of gauge to be used in pressure testing ? Two b) What should be its ranger as per ASME .sec VIII As per ... Read More »

Questions Related to Structural Steel

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1. Describe the steps used for erection of structural steel? Material received at site Concrete bases and anchor bolts Shims Pre assembly at ground level Main construction steel erection (dimension bolt) Tightening for anchor bolt Alignment for structural steel Tightening for steel Tightening for anchor bolts. Grouting Complete structural steel erection (secondary beams, bracing) Calibration of whrench and device Modification ... Read More »

Questions Related to Plumbing

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1.What is the discharge pipe that is flow condition and that extends from the lift station carrying sewage under pressure ? Force main 2 .Where will the drain from battery rooms battery rooms  before discharge to the sanitary sewer line ? Neutralization Tan 3.What is the minimum size of sewer lines that are allowed to be embedded  unde slab? 64mm ... Read More »

Job Oriented Training for Working Persons and Fresher Engineers Oil & Gas, Power Plant

ong course

Dear Engineer, OilAndGasClub.com – Your Career Partner Now @ Chennai Oilandgasclub.com, Chennai offers Job Oriented EPC Training programs for working persons and fresher engineers. Oil And Gas Club is an international Oil and Gas and conference and training organization. O&G club provide Engineering Design Training for onshore & offshore industries. The Faculties are qualified and well experienced professionals who have ... Read More »

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