Abid Hasan Quality Expert

Abid Hasan Quality Expert QA QC Expert

19/08/2026

WE ARE HIRING | QA/QC MECHANICAL | BARAUNI

Career Opportunity for QA/QC Mechanical Professionals!

📍 Location: Barauni
🎓 Qualification: BE/B.Tech – Mechanical
💼 Experience: 4–10 Years
🏭 Industry: Oil & Gas
⚙️ Experience Required: Static Equipment, Piping & Rotary Equipment
✅ Refinery Project Experience: Mandatory

Interested and suitable candidates can send their updated CV to:
📧 [email protected]

Take the next step in your Oil & Gas QA/QC career!

Abid Hasan Abid Hasan QA/QC GroupAll about QA/QCAbid Hasan Quality Expert

19/08/2026

What Is VRV? Understanding Variable Refrigerant Volume HVAC System

What is VRV in HVAC? ❄️🏢



VRV stands for Variable Refrigerant Volume. It is a multi-zone HVAC system that varies refrigerant flow according to the cooling or heating demand of individual zones.



In simple terms:



🔹 One outdoor unit can serve multiple indoor units
🔹 Refrigerant flow is adjusted according to demand
🔹 Each zone can have individual temperature control
🔹 Variable-speed compressors help match system capacity with load
🔹 It can improve energy efficiency and operational flexibility



The basic concept:
Cooling/Heating Demand → Refrigerant Flow Adjustment → Individual Zone Control



Understanding the working principle of VRV/VRF systems is essential for professionals involved in HVAC, MEP, QA/QC, commissioning and building services engineering.
HasanAbid Hasan QA/QC GroupAbid Hasan Quality ExpertAll about QA/QC

16/08/2026

ABID HASANQAQC PROFESSIONAL y Abid Hasan QA/QC GroupAbid Hasan

16/08/2026

How does a DX Air-Conditioning System work?
In a DX system, refrigerant directly absorbs heat from indoor air through the evaporator coil, then releases that heat outdoors through the condenser coil.

🔹 Evaporator → Absorbs Heat
🔹 Compressor → Increases Pressure
🔹 Condenser → Rejects Heat
🔹 Expansion Valve → Reduces Pressure & Temperature
🔹 Complete Refrigeration Cycle → Continuous Cooling
A simple visual explanation for HVAC Engineers, QA/QC Professionals, Students & Technicians.
Save this for your HVAC learning!
HasanAbid Hasan QA/QC Group

15/08/2026

15th August is not just a date… it’s an emotion
Behind the freedom we celebrate today are countless brave souls who sacrificed everything for our nation.

Every time the Tricolour 🇮🇳 rises high, let’s remember their courage, their sacrifice, and their dream of a stronger India.

Freedom came with a price.
Let’s honour it with pride, unity, and responsibility. ❤️🇮🇳
Happy Independence Day, India! 🇮🇳
Jai Hind
HasanAbid Hasan

12/08/2026

UAE Interview Drive 2026 | Shapoorji Pallonji Mideast LLC | HSE & QA/QC Jobs
Exciting Career Opportunities in the UAE! 🇦🇪🏗️

Shapoorji Pallonji Mideast LLC is inviting experienced professionals for an Interview Drive in Abu Dhabi for iconic high-rise building construction projects.

🔹 HSE Engineer
🔹 HSE Officer
🔹 QA/QC Engineer
🔹 QA/QC Inspector

📍 Abu Dhabi, UAE
📅 15 August 2026
📧 Send your updated CV: [email protected]

If you are an experienced HSE or QA/QC professional, this could be your next career opportunity!
Hasan

12/08/2026

What Is a Cooling Tower? A cooling tower removes heat from condenser water through evaporative cooling. Hot water enters the tower, air removes the heat, and cooled water returns to the chiller for continuous operation. Hasan

11/08/2026

What is chiller Abid Hasan

11/08/2026

Top ten oil and gas’s company Abid Hasan

11/08/2026

Quality First Abid Hasan

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