Welding & NDT Services

06/09/2025

What Gas Should You Use for TIG Welding? (with Chart)
For TIG welding, the most commonly used gas is pure argon (100% argon).

Here’s why:

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Shielding – Argon creates a stable, inert atmosphere around the weld, preventing contamination from oxygen, nitrogen, and moisture in the air.

Arc Stability – It provides a smooth, stable arc that's easy to control.

Versatility – Works well for almost all TIG applications, including steel, stainless steel, and aluminum.

Other options (special cases):

Argon + Helium – Increases heat input for thicker metals or faster travel speeds.

Argon + Hydrogen – Sometimes used for stainless steel to improve weld bead appearance, but not recommended for aluminum (risk of porosity).

❌ Avoid using CO₂ or Argon/CO₂ mixes (common in MIG welding) — they cause oxidation and poor weld quality in TIG.

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06/09/2025

Which of the following is NOT a primary cause of scattered radiation in gamma radiography?
a) Compton effect
b) Photoelectric effect
c) Pair production
d) Fluorescence

06/09/2025

If an X-ray tube is operated at higher kV, the primary effect is:
a) Increased wavelength and better sensitivity
b) Decreased wavelength and higher pe*******on
c) Increased exposure time
d) Reduced scatter

05/09/2025

API 580 RBI

05/09/2025

23/08/2024

CSWIP 3.1 NEW EXAM PATTERN UPDATED

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Description

Cswip 3.1 questions bank new pattern

(1) Leading,Drag and Drop,Fill the Blank
(2) Work Pack ,WQT, WPQR
(3) Practical Plate Segment

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10/08/2024

We are looking safety officer for 3 months will extendable.
Minimum two years experience required
Salary 25k max. As per telephonic interview
Room facilities by us and food in your scope

Site Aditya Birla paint Grasim

Contact Mr. Rajveer kumar
+918394962594

28/04/2024

✧ 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗣𝗶𝗽𝗶𝗻𝗴 𝗜𝘀𝗼𝗺𝗲𝘁𝗿𝗶𝗰 𝗗𝗿𝗮𝘄𝗶𝗻𝗴?
► 2D representation of 3D piping systems.
► Combines height, width, depth into single 30° angled view.
► Not drawn to scale but provides exact dimensions.
► Pipes shown as single centerlines.
► Fitting types and sizes specified in Bill of Materials (BOM).
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✧ 𝙄𝙨𝙤𝙢𝙚𝙩𝙧𝙞𝙘 𝙋𝙪𝙧𝙥𝙤𝙨𝙚 𝙖𝙣𝙙 𝙄𝙢𝙥𝙤𝙧𝙩𝙖𝙣𝙘𝙚:
► Convey complex piping information for fabrication
► Used for construction, site markups, stress analysis
► Simple yet efficient compared to orthographic views
► Critical for large, complex piping systems

✧ 𝗛𝗼𝘄 𝘁𝗼 𝗥𝗲𝗮𝗱 𝗜𝘀𝗼𝗺𝗲𝘁𝗿𝗶𝗰 𝗗𝗿𝗮𝘄𝗶𝗻𝗴𝘀?
➊ Offsets and Pipe Routing:
- Pipes may travel non-cardinal directions (NE, SE, NW, SW)
- Use trigonometry to calculate offset lengths

➋ Coordinates and Elevations:
- North arrow shows orientation.
- Coordinates verify horizontal pipe lengths.
- Elevations verify vertical pipe lengths.
- Dimensions measured from centerline.

➌ Shop and Field Welds:
- Spools: Shop-fabricated sections (shop welds).
- Field welds: Connections between spools on-site
- Field-fit welds: Allow for adjustments during fit-up

➍ Essential Information:
- Revision, line number, P&ID cross-reference
- Design data (pressure, temperature, stress category)
- Notes, orientation, coordinates, elevations
- Flow direction, BOM (sequence, tags, quantities, materials)
- Insulation type and coverage
- Slopes, pipe supports (location, type, tags)

➎ Coordination and Cross-Referencing:
- Correlate with other drawings (plans, sections, details)
- Cross-reference for comprehensive understanding

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