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Nasser S. Al Hajri Corporation

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30+ Thoughtpulse Software Technologies Interview Questions and Answers

Updated 8 Feb 2025
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Q1. hanging scaffolding how make the work more capacity

Ans.

To increase the capacity of hanging scaffolding, additional support systems can be used.

  • Use outriggers or counterweights to provide stability and balance.

  • Install diagonal braces to enhance the structural integrity.

  • Ensure proper anchoring and tie-backs to prevent movement.

  • Use stronger and thicker materials for the scaffold components.

  • Regularly inspect and maintain the scaffolding to identify any weaknesses or defects.

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Q2. How many type of scaffolding 's?

Ans.

There are several types of scaffolding used in construction projects.

  • Supported scaffolding: Most common type, supported by poles, frames, or outriggers.

  • Suspended scaffolding: Hangs from the roof or other overhead structure.

  • Rolling scaffolding: Equipped with wheels for easy movement.

  • Cantilever scaffolding: Supported by a series of needles and cantilevers.

  • Trestle scaffolding: Supported by movable tripods or ladders.

  • Steel scaffolding: Made of steel tubes and fittings for heavy-d...read more

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Q3. What is scaffolding in construction work?

Ans.

Scaffolding in construction work refers to a temporary structure used to support workers and materials during building or maintenance projects.

  • Scaffolding provides a safe and stable platform for workers to perform tasks at heights.

  • It is typically made of metal pipes or tubes and is erected around the perimeter of a building or structure.

  • Scaffolding allows workers to access hard-to-reach areas and facilitates the movement of materials.

  • Different types of scaffolding include sup...read more

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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 the duct.

  • Access doors should be properly sealed to prevent...read more

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Q5. 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.

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Q6. 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 maintenance and cleaning of supply ducts is important to en...read more

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Q7. 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 it is recirculated.

  • Properly sized and installed return du...read more

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Q8. 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.

  • Examples of FCUs include cassette FCUs, ducted FCUs, and fl...read more

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Q9. 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 and supervisors are responsible for installation, mainten...read more

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Q10. How many degree ladder fixed

Ans.

The number of degree ladder fixed depends on the specific requirements of the scaffolding project.

  • The number of degree ladder fixed can vary depending on the height and configuration of the scaffolding.

  • It is important to follow safety regulations and guidelines when determining the number of degree ladder fixed.

  • The scaffolding supervisor should assess the project requirements and consult with engineers or safety experts to determine the appropriate number of degree ladder fix...read more

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Q11. 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 compartmentalize the building and prevent the spread of fire.

  • Regu...read more

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Q12. what is the noted point

Ans.

The noted point refers to a specific point or detail that has been highlighted or emphasized.

  • The noted point is usually mentioned or marked for easy reference.

  • It can be a key piece of information or a significant aspect that requires attention.

  • For example, in a construction project, the noted point could be a safety guideline that must be strictly followed.

  • In a meeting, the noted point could be a critical decision or action item that needs to be addressed.

  • The purpose of notin...read more

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Q13. How many degree bracings

Ans.

The number of degree bracings depends on the specific scaffolding design and requirements.

  • The number of degree bracings can vary based on the height and width of the scaffolding structure.

  • Degree bracings are used to provide stability and support to the scaffolding system.

  • The specific number of degree bracings needed will be determined by a qualified scaffolding engineer or supervisor.

  • Examples of degree bracings include diagonal braces, cross braces, and horizontal braces.

  • The ...read more

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Q14. 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 from one room to another.

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Q15. 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.

  • They can also be used in residential HVAC systems to regulate...read more

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Q16. What is the UEL and LEL in oil and Gas sector?

Ans.

UEL and LEL are Upper and Lower Explosive Limits respectively, used to define the range of flammable gas concentration in air.

  • UEL is the maximum concentration of a gas in air that can produce an explosion when an ignition source is present.

  • LEL is the minimum concentration of a gas in air that can produce an explosion when an ignition source is present.

  • In the oil and gas sector, UEL and LEL are important for safety as they help to identify the potential for explosions and fire...read more

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Q17. What is scaffolding how to use

Ans.

Scaffolding is a temporary structure used to support workers and materials during construction or maintenance of buildings.

  • Scaffolding is made up of metal pipes, tubes, and wooden planks.

  • It is erected around the building to provide a safe working platform for workers.

  • Scaffolding should be inspected regularly to ensure it is safe to use.

  • Workers should wear appropriate safety gear when using scaffolding.

  • Examples of scaffolding include frame scaffolding, tube and clamp scaffoldi...read more

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Q18. How to make 2×2 scaffolding

Ans.

2x2 scaffolding can be made using four 2x2 wooden poles and metal connectors.

  • Get four 2x2 wooden poles of required length.

  • Connect the poles using metal connectors to form a square base.

  • Add vertical poles at each corner and secure them with metal connectors.

  • Add horizontal poles at the top and bottom of the vertical poles to form the frame.

  • Add diagonal braces for stability.

  • Repeat the process for additional levels.

  • Ensure the scaffolding is level and secure before use.

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Q19. How many tipe in rt rayes

Ans.

There are different types of RT (Radiographic Testing) techniques used in NDT.

  • RT techniques include film radiography, computed radiography, and digital radiography.

  • Each technique has its own advantages and disadvantages.

  • Film radiography is the oldest and most traditional method, while digital radiography is the newest and most advanced.

  • Computed radiography is a hybrid of film and digital radiography.

  • The choice of technique depends on the specific application and the requireme...read more

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Q20. How many tipe PT material

Ans.

There are several types of PT materials used in non-destructive testing.

  • PT materials include water-washable, solvent-removable, and post-emulsifiable types.

  • Water-washable PT materials are commonly used for surface crack detection.

  • Solvent-removable PT materials are used for detecting cracks in non-porous materials.

  • Post-emulsifiable PT materials are used for detecting fine cracks and are often used in aerospace applications.

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Q21. How many clamp of scaffolding

Ans.

The number of clamps required for scaffolding depends on the size and weight of the structure being built.

  • The number of clamps needed for scaffolding varies depending on the size and weight of the structure being built

  • The type of clamp used also affects the number required

  • A qualified scaffolding inspector should be able to determine the appropriate number of clamps needed for a specific job

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Q22. ASME codes regarding material inspection, wqt,pqr.?

Ans.

ASME codes require material inspection, WQT, and PQR for welding processes.

  • ASME codes mandate material inspection to ensure quality and safety.

  • WQT (Welding Procedure Qualification Test) is used to qualify a welding procedure before it is used in production.

  • PQR (Procedure Qualification Record) is a document that records the results of a WQT.

  • ASME codes also specify the requirements for welding materials, such as filler metals and fluxes.

  • Inspection and testing methods are also s...read more

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Q23. How many date of inspection

Ans.

The number of inspections depends on the type of scaffolding and its usage.

  • The number of inspections can range from daily to yearly.

  • The frequency of inspections is determined by the type of scaffolding and its usage.

  • For example, suspended scaffolding used for window cleaning may require daily inspections, while a stationary scaffold used for construction may require weekly inspections.

  • The number of inspections should be determined by following industry standards and regulatio...read more

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Q24. How many tipe in ndt.

Ans.

There are several types of NDT techniques used in various industries.

  • NDT stands for Non-Destructive Testing.

  • Some common types of NDT include ultrasonic testing, radiographic testing, magnetic particle testing, and liquid penetrant testing.

  • Each type of NDT has its own advantages and limitations, and is used for specific applications.

  • NDT is used in industries such as aerospace, automotive, construction, and manufacturing to ensure the safety and reliability of materials and com...read more

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Q25. Maximum depth consider for permit required confined space

Ans.

The maximum depth for permit required confined space varies depending on the regulations and standards of the country or region.

  • The maximum depth is usually specified in the permit to enter the confined space.

  • In the United States, OSHA defines a confined space as having limited means of entry or exit, being large enough for a worker to enter, and not designed for continuous occupancy. The maximum depth for a permit-required confined space is not specified, but the employer mu...read more

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Q26. QC procedures and experiences as Quality control inspector

Ans.

I have extensive experience in implementing QC procedures and conducting inspections as a Quality Control Inspector.

  • Developing and implementing QC procedures to ensure product quality

  • Conducting inspections and tests to identify defects or non-conformities

  • Documenting findings and reporting on quality issues

  • Collaborating with production teams to address quality concerns

  • Continuous improvement of QC processes based on feedback and data analysis

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Q27. How many tipe x-ray file

Ans.

There are two types of x-ray files: digital and film.

  • The two types of x-ray files are digital and film.

  • Digital x-ray files are stored electronically and can be easily shared and manipulated.

  • Film x-ray files are physical images that need to be developed and stored manually.

  • Digital x-ray files are becoming more common in modern medical facilities.

  • Film x-ray files are still used in some older medical facilities or for certain types of imaging.

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Q28. What are isometric drawing and use

Ans.

Isometric drawing is a 3D drawing technique used in piping to show a clear representation of piping layout.

  • Isometric drawing is a type of 3D drawing that represents a 3D object in two dimensions.

  • It is commonly used in piping to show the layout of pipes, fittings, and other components in a clear and detailed manner.

  • Isometric drawings help in visualizing how components fit together and the overall layout of a piping system.

  • They are often used in construction and engineering pro...read more

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Q29. What is Types of drawing Isometric

Ans.

Isometric drawings are 3D drawings that show a three-dimensional object in a two-dimensional format.

  • Isometric drawings use three axes (x, y, z) to represent the object in 3D space.

  • All three axes are equally angled from each other, typically at 120 degrees.

  • Isometric drawings are commonly used in engineering and construction to visualize objects and structures.

  • Examples of isometric drawings include piping layouts, architectural designs, and mechanical components.

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Q30. Mandatory PPE in electrical work

Ans.

Mandatory PPE in electrical work includes insulated gloves, safety glasses, and hard hats.

  • Insulated gloves are essential to protect against electric shock.

  • Safety glasses protect the eyes from potential hazards like sparks or debris.

  • Hard hats are necessary to prevent head injuries from falling objects or electrical hazards.

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