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Superheat is the temperature increase of a vapor above its boiling point at a given pressure.
Superheat is important in HVAC systems to ensure proper refrigerant flow and system efficiency.
It is calculated by subtracting the boiling point temperature of the refrigerant at a given pressure from the actual temperature of the refrigerant.
The ideal superheat value varies depending on the type of refrigerant and the specific...
Subcooling is the process of cooling a liquid refrigerant below its saturation temperature.
Subcooling is achieved by removing heat from the refrigerant after it has been condensed.
It ensures that the refrigerant is in a liquid state before it enters the expansion valve.
The expansion valve reduces the pressure of the refrigerant and controls the flow rate into the evaporator.
This causes the refrigerant to evaporate and ...
Increased head pressure in HVAC systems can be caused by various factors.
Dirty condenser coils
Blocked or restricted airflow
Refrigerant overcharge
Malfunctioning expansion valve
Faulty compressor
Ambient temperature increase
Clogged filter drier
Low refrigerant charge
Kinked or blocked refrigerant lines
Aptitude test is purely based on individual professional.
Reverse alignment is the process of aligning two machines in opposite directions.
Reverse alignment is used when two machines are required to operate in opposite directions.
It involves aligning the machines in a way that the coupling faces are parallel and at the same height.
Reverse alignment is important to prevent damage to the machines and ensure efficient operation.
It requires specialized tools and techniques such a...
Bahwan Engineering interview questions for popular designations
I applied via Walk-in
Get interview-ready with Top Bahwan Engineering Interview Questions
I applied via Referral and was interviewed in Jul 2022. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed in Sep 2020. There was 1 interview round.
Yes, I have 10 years of experience working as an electrician in the Gulf region.
During my time in the Gulf, I gained extensive knowledge and experience in electrical systems and equipment commonly used in the region.
I have worked on various projects ranging from residential to commercial and industrial buildings.
I am familiar with the safety regulations and standards in the Gulf region and have always ensured that my w...
I applied via Company Website and was interviewed before Mar 2021. There was 1 interview round.
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Site Engineer
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Assistant Manager
16
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HSE Officer
16
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Hvac Supervisor
14
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Hvac Technician
14
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