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Nasser S. Al Hajri Corporation Hvac Ducting Supervisor Interview Questions, Process, and Tips
Nasser S. Al Hajri Corporation Hvac Ducting Supervisor Interview Experiences
1 interview found
I applied via Approached by Company and was interviewed in Oct 2022. There was 1 interview round.
(10 Questions)
- Q1. What is the meaning of hvac? Heating ventilation of air-conditioning.
- Ans.
HVAC stands for Heating, Ventilation, and Air Conditioning. It refers to the technology used for indoor environmental comfort.
HVAC systems are used to regulate temperature, humidity, and air quality in buildings.
They can include components such as furnaces, air conditioners, ductwork, and ventilation fans.
Properly designed and maintained HVAC systems can improve energy efficiency and indoor air quality.
HVAC technicians...
- Q2. What is the meaning of FCU?
- Ans.
FCU stands for Fan Coil Unit, which is a device that contains a fan and a heat exchanger to regulate air temperature.
FCU is commonly used in HVAC systems to provide heating or cooling to a space.
It works by drawing in air from the room, passing it over a heat exchanger, and then blowing it back out into the room.
FCUs can be wall-mounted, ceiling-mounted, or floor-mounted depending on the space and design requirements.
E...
- Q3. What is the meaning of FD? Fd is fire damper.
- Ans.
FD stands for Fire Damper, which is a device installed in HVAC ducts to prevent the spread of fire and smoke.
FD is a crucial component of fire protection systems in buildings.
It is designed to automatically close when it detects heat or smoke, preventing the spread of fire and smoke through the ducts.
FDs are required by building codes to be installed in certain locations, such as walls, floors, and ceilings, to compart...
- Q4. What is the function of access door? Access door is one kind of inspection way of inside the installed duct.
- Ans.
Access door is an inspection way of inside the installed duct.
Access doors are used to provide easy access to the inside of the duct for inspection, cleaning, and maintenance purposes.
They are typically installed at regular intervals along the length of the duct.
Access doors can be made of various materials such as metal, plastic, or fiberglass.
They come in different sizes and shapes depending on the size and shape of ...
- Q5. How many kind of ducts? Various kinds of duct like..squre,round,y duct,elbow duct,
- Q6. The types of grill? Return, supply, fress air grill, etc.
- Ans.
There are various types of grills used in HVAC ducting such as return, supply, fresh air, exhaust, and transfer grills.
Return grills are used to extract air from a room and return it to the HVAC system.
Supply grills are used to supply conditioned air to a room.
Fresh air grills are used to bring in fresh air from outside.
Exhaust grills are used to remove stale air from a room.
Transfer grills are used to transfer air fro
- Q7. What is VCD?.. Volume control damper.
- Ans.
VCD stands for Volume Control Damper, which is used to regulate the airflow in HVAC systems.
VCD is a type of damper that is installed in HVAC ducts to control the volume of air flowing through them.
It is typically made of galvanized steel and has blades that can be adjusted to regulate the airflow.
VCDs are commonly used in commercial and industrial HVAC systems to maintain proper air balance and temperature control.
The...
- Q8. What types of ducts? Supply duct return duct,fress air duct, exhaust duct.
- Ans.
There are four types of ducts: supply duct, return duct, fresh air duct, and exhaust duct.
Supply ducts carry conditioned air from the HVAC system to the rooms.
Return ducts carry air from the rooms back to the HVAC system.
Fresh air ducts bring in outside air to improve indoor air quality.
Exhaust ducts remove stale air and pollutants from the building.
- Q9. What is the supply duct? Cool air supply from the unit to room.
- Ans.
The supply duct is responsible for delivering cool air from the unit to the room.
Supply ducts are typically made of metal or flexible material and are installed in the walls, floors, or ceilings of a building.
They are connected to the air conditioning unit and distribute cool air throughout the building.
Properly sized and installed supply ducts ensure that each room receives the appropriate amount of cool air.
Regular m...
- Q10. What is return duct? The return duct function is way of un fress room air return to outside of room.
- Ans.
Return duct is a part of HVAC system that carries air from a room back to the air handler to be conditioned and recirculated.
Return ducts are typically larger in size than supply ducts to accommodate the volume of air being returned.
They can be located in walls, ceilings, or floors depending on the design of the building.
Return ducts can also have filters installed to remove dust and other particles from the air before...
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Piping Engineer Interview Questions & Answers
Shapoorji Pallonji Group
Anonymous
posted on 12 Jul 2021
I applied via Referral and was interviewed before Jul 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Just about piping and safety related
- Q2. P&ID drawing related
- Q3. Hydrotest related
Interview Preparation Tips
Piping Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 31 Oct 2024
I was interviewed in May 2024.
(2 Questions)
- Q1. What is piping engineer
- Ans.
A piping engineer is a professional responsible for designing, planning, and overseeing the installation of piping systems in various industries.
Designing piping systems to transport fluids or gases
Selecting appropriate materials for piping construction
Ensuring compliance with industry standards and regulations
Collaborating with other engineers and stakeholders on project requirements
Performing stress analysis and calc
- Q2. What is hydro testing
- Ans.
Hydro testing is a process of testing the strength and integrity of pipelines or vessels by filling them with water under pressure.
Hydro testing is a common method used to ensure that pipelines or vessels can safely withstand the pressure they will be subjected to during normal operation.
During hydro testing, the pipeline or vessel is filled with water and pressurized to a level higher than the operating pressure to ch...
Selected
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
Question answer related piping job ,material related, manpower handling etc...
(5 Questions)
- Q1. Piping related question, Piping material astm code
- Q2. Types of piping drawing
- Ans.
Types of piping drawings include Piping and Instrumentation Diagrams (P&IDs), Isometric drawings, and Orthographic drawings.
Piping and Instrumentation Diagrams (P&IDs) show the piping system along with instruments and control devices.
Isometric drawings show the 3D representation of the piping system.
Orthographic drawings show the top, front, and side views of the piping system.
- Q3. Difference b/w construction and fabrication drawing?
- Ans.
Construction drawings show how a structure will be built, while fabrication drawings provide detailed instructions for manufacturing individual components.
Construction drawings focus on overall structure layout and dimensions
Fabrication drawings provide detailed instructions for manufacturing individual components
Construction drawings are used by contractors on site, fabrication drawings are used by manufacturers in wo...
- Q4. Piping material code ?
- Ans.
Piping material code refers to the standards and specifications used for selecting materials for piping systems.
Piping material codes are used to ensure the proper selection of materials based on factors like pressure, temperature, and fluid being transported.
Common piping material codes include ASME B31.3 for process piping, ASTM for materials specifications, and API for oil and gas piping.
These codes provide guidelin...
- Q5. Difference b/w pipe and tubes
- Ans.
Pipes are used to transport fluids or gases, while tubes are used for structural applications or heat transfer.
Pipes are measured by their inside diameter, while tubes are measured by their outside diameter.
Pipes are typically round in shape, while tubes can be round, square, or rectangular.
Pipes are commonly used in plumbing, HVAC systems, and oil and gas industries, while tubes are used in construction, automotive, a
Interview Preparation Tips
- Piping
- Statatic Equipment
Piping Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 11 Aug 2023
About pipe laying work staircase
(1 Question)
- Q1. About pipe laying and tank erection
(1 Question)
- Q1. Anything about pipe laying
Interview Questionnaire
1 Question
- Q1. What is production?
- Ans.
Production refers to the process of creating goods or services using resources and labor.
Production involves transforming raw materials into finished products or providing services to customers.
It includes activities such as manufacturing, assembly, packaging, and distribution.
Examples of production include car manufacturing, food processing, and software development.
Efficient production is essential for businesses to
Planning Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 15 Mar 2021
Interview Questionnaire
1 Question
- Q1. Engineering related questions like how to define material volume and weight and density etc..
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Why are you looking for a change?
- Q2. What are your salary expectations?
- Q3. Why should we hire you?
(1 Question)
- Q1. What you know about core?
- Ans.
Core is the central part of a structure or object that provides strength and stability.
Core is commonly used in construction and engineering.
It is the central part of a building or structure that provides support and stability.
In fitness, core refers to the muscles in the abdomen, back, and pelvis that support the spine.
Examples of core materials include concrete, steel, and wood.
A strong core is important for maintain
Interview Preparation Tips
Skills evaluated in this interview
Civil Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 29 Jun 2017
I was interviewed in Feb 2017.
Interview Questionnaire
4 Questions
- Q1. Questions related to structures
- Q2. Questions related to Ground Improvement Techniques
- Q3. Questions related to Strength of Material
- Q4. Questions related to Construction Materials
Interview Preparation Tips
Experience: I was among the top ten students of my branch so it helped me a lot to gain confidence over things before the test.
The aptitude questions were average and so were the english ones.
Tips: Basic practice will go a long way in getting you through the tests. It helped me. It will help you too.
Duration: 45 minutes
Total Questions: 30
Round: Technical Interview
Experience: My all over knowledge was being checked. I got tensed when I couldn't answer one or two of the questions. But once I gained momentum, it helped me to answer the questions put up.
Tips: You have to study your core subjects very well. It's a core company and will only take you if you are in the top 30 students of your college and have good knowledge of civil engineering.
Skills: Technical Skill, Speaking Skills, Aptitude
College Name: VIT Vellore
Quality Engineer Interview Questions & Answers
Larsen & Toubro Limited
yeriswamy bs
posted on 5 Jul 2017
I was interviewed in Jul 2017.
Interview Questionnaire
2 Questions
- Q1. Tel me about yourself
- Ans.
Experienced Quality Engineer with a background in manufacturing and process improvement.
Bachelor's degree in Engineering
Certified Six Sigma Black Belt
Proficient in statistical analysis tools like Minitab
Led cross-functional teams to implement quality initiatives
Experience in root cause analysis and corrective action
- Q2. Tel me something about your education
- Ans.
I have a Bachelor's degree in Mechanical Engineering from XYZ University.
Bachelor's degree in Mechanical Engineering
Graduated from XYZ University
Specialized in quality control and assurance
Interview Preparation Tips
Experience: Ans thanks for giving this apporchinuty any how in your hand ur having my CV I think u had gon through
Tips: Thank you
Round: Technical Interview
Experience: Especially I want have intrest to study so that I god less percentage but it's all my knowledge.
Tips: I am idiot but I can do it
Skills: Observations About Project
Nasser S. Al Hajri Corporation Interview FAQs
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Nasser S. Al Hajri Corporation Hvac Ducting Supervisor Reviews and Ratings
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