Saipem Interview Questions, Process, and Tips

Q1. What is maintainence schedule?
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Q2. During hardworking how do you handle?
Ans. 
I handle hard work by staying focused, managing my time effectively, taking breaks when needed, and seeking support from colleagues.
• Stay focused on the task at hand and prioritize tasks based on urgency

• Manage time effectively by setting goals and deadlines

• Take short breaks to recharge and avoid burnout

• Seek support from colleagues or supervisors when feeling overwhelmed
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Q1. Where you worked befor? What is strategies for safe work?
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APTITUDE+TECHNICAL- ELECTRICAL CORE

Q1. WHAT IS BLDC MOTOR
Ans. 
BLDC motor stands for Brushless DC motor, which is a type of electric motor that operates without the need for brushes to transfer electrical current.
• BLDC motors use electronic commutation instead of brushes to control the motor's operation.

• They are more efficient, reliable, and have a longer lifespan compared to brushed DC motors.

• BLDC motors are commonly used in applications such as electric vehicles, drones, and indu
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Q1. We will ask regarding company HR policy as per country labour law
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Q1. Related to blasting and painting all process several questions. 1. How to check the nozzle pressure at the time of blasting and what is the name of equipment?
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Q2. 2. What is RH relative humidity?
Ans. 
Relative humidity (RH) is the amount of moisture present in the air compared to the maximum amount the air could hold at that temperature.
• RH is expressed as a percentage and indicates the level of moisture in the air.

• It is an important factor in various industries, including coating inspection, as it affects the drying and curing process of coatings.

• High RH can lead to slower drying times and potential issues with adhe...read more
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Q3. 3. What is blotter test and how to check?
Ans. 
Blotter test is a method to check the presence of soluble salts on a surface before applying a coating.
• Blotter test is performed by wetting a filter paper or blotting paper with a specified solvent.

• The wet paper is pressed against the surface and left for a specific time.

• After the specified time, the paper is removed and examined for any visible salt deposits.

• The presence of salt deposits indicates the presence of solu...read more
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Q4. 4. What is pot life?
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Pot life refers to the amount of time a coating material remains usable after it has been mixed or prepared.
• Pot life is the working time of a coating material before it becomes too viscous or chemically unstable to apply.

• It is influenced by factors such as temperature, humidity, and the specific formulation of the coating.

• Pot life is typically specified by the manufacturer and can range from a few minutes to several ho...read more
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Q5. 5. How to check the garnet contamination test?
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To check garnet contamination, perform a visual inspection, use a magnet test, and conduct a sieve analysis.
• Perform a visual inspection to identify any visible contamination on the surface.

• Use a magnet test to check for magnetic contamination. If the garnet particles are attracted to the magnet, it indicates contamination.

• Conduct a sieve analysis by passing the garnet through a series of sieves to determine the particl...read more
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Q6. 6. What is brush size?
Ans. 
Brush size refers to the width or diameter of the brush used for coating application.
• Brush size is measured in inches or millimeters.

• A larger brush size is typically used for larger surface areas, while a smaller brush size is used for more detailed work.

• For example, a 2-inch brush may be used for painting walls, while a 1/2-inch brush may be used for painting trim or edges.
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Q7. 7. What is paint?
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Paint is a liquid or semi-solid material that is applied to surfaces to provide protection, decoration, or other desired properties.
• Paint is composed of pigments, binders, solvents, and additives.

• It is used to protect surfaces from corrosion, weathering, and other damage.

• Paint can also be used for decorative purposes, adding color and texture to surfaces.

• Different types of paint include acrylic, oil-based, water-based,...read more
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Q8. 8. What is shelf life?
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Shelf life refers to the period during which a product can be stored and used without losing its quality or effectiveness.
• Shelf life is the expiration date or best before date of a product.

• It is the time frame in which a product remains stable and safe for consumption or use.

• Factors like storage conditions, packaging, and product composition can affect shelf life.

• Examples include food products, pharmaceuticals, and coa...read more
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Q9. 9. What is corrosion?
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Corrosion is the process of deterioration and damage to a material due to chemical reactions with its environment.
• Corrosion occurs when metals or other materials are exposed to moisture, oxygen, or other corrosive substances.

• It can result in the formation of rust, tarnish, or other forms of corrosion products.

• Corrosion weakens the structural integrity of materials and can lead to failure or malfunction of equipment.

• Pre...read more
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Q10. 10. What is pin hole?
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A pin hole is a small hole or defect in a coating that penetrates through to the substrate.
• Pin holes are commonly found in paint or coating applications.

• They can be caused by air bubbles, contaminants, or improper application techniques.

• Pin holes can compromise the integrity of the coating, leading to corrosion or other issues.

• They are typically identified through visual inspection or by using specialized testing metho...read more
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Q11. 11. What is orange pill?
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Q12. 12. What is surface preparation?
Ans. 
Surface preparation is the process of cleaning and treating a surface before applying a coating or paint.
• Surface preparation involves removing dirt, grease, rust, and other contaminants from the surface.

• It may also include sanding, grinding, or blasting the surface to create a rough texture for better adhesion of the coating.

• Surface preparation methods vary depending on the type of substrate and the coating system bein...read more
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Q13. 13. What is fbe Coating?
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FBE coating stands for Fusion Bonded Epoxy coating, which is a type of protective coating used on metal surfaces.
• FBE coating is applied to metal surfaces to provide corrosion resistance and improve durability.

• It is commonly used in industries such as oil and gas, water treatment, and pipeline construction.

• The coating is created by heating and melting a powdered epoxy resin, which is then applied to the metal surface.

• On...read more
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Q14. 14. What is canusa Coating?
Ans. 
Canusa Coating is a type of protective coating used in various industries.
• Canusa Coating is a brand of heat-shrinkable sleeves used for corrosion protection on pipelines.

• It is commonly used in the oil and gas industry to prevent corrosion and extend the lifespan of pipelines.

• The coating is applied by heating the sleeve, causing it to shrink and adhere tightly to the surface of the pipeline.

• Canusa Coating provides excel...read more
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Q15. 15. How much temperature in the paint storage room?
Ans. 
The temperature in the paint storage room should be controlled within a specific range.
• The temperature in the paint storage room should be maintained between 10°C and 25°C.

• Extreme temperatures can affect the quality and performance of the paint.

• Regular monitoring of the temperature is necessary to ensure compliance with storage requirements.

• Temperature fluctuations should be minimized to prevent damage to the paint.

• Exa...read more
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Q16. 16. What is holiday test?
Ans. 
Holiday test is a method used to detect discontinuities or defects in a coating by applying an electric current.
• Holiday test is also known as a spark test or pinhole test.

• It involves using a low voltage, high amperage electric current to check for any breaches in the coating.

• The test is performed by moving an electrode or brush along the coated surface, and any defects will cause a spark or arc to form.

• The size and fre...read more
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Q17. 17. What is hot deep galvanization?
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Hot deep galvanization is a process of coating iron or steel with a layer of zinc to protect it from corrosion.
• Hot deep galvanization involves immersing the metal in a bath of molten zinc.

• The zinc reacts with the iron or steel to form a series of zinc-iron alloy layers.

• This coating provides excellent corrosion resistance and durability.

• Hot deep galvanization is commonly used for outdoor structures like fences, guardrai...read more
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Q18. 18. What is glass flack coating?
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Glass flake coating is a protective coating that contains small glass flakes for enhanced durability and corrosion resistance.
• Glass flake coating is used to protect surfaces from corrosion, chemical attack, and abrasion.

• The coating is made by mixing glass flakes with a binder material, such as epoxy or polyester resin.

• The glass flakes provide a barrier against moisture and chemicals, preventing them from reaching the s...read more
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Q19. 19. How much DFT required for glass flack coating?
Ans. 
The required DFT for glass flake coating depends on various factors such as the type of coating, application method, and environmental conditions.
• The DFT (Dry Film Thickness) for glass flake coating can range from 100 to 300 microns.

• The specific DFT requirement may be specified by the coating manufacturer or project specifications.

• Factors like the substrate condition, desired level of corrosion protection, and coating ...read more
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Q20. 20. What is SA2.5?
Ans. 
SA2.5 is a surface preparation standard for steel surfaces before coating.
• SA2.5 is a cleanliness level defined by the International Organization for Standardization (ISO).

• It involves thorough cleaning of the steel surface to remove all visible oil, grease, dirt, rust, and mill scale.

• The surface should appear uniformly grey in color after cleaning.

• SA2.5 is often required before applying protective coatings to ensure pro...read more
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Q21. 21. How mill scale is producing?
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Mill scale is produced during the hot rolling process of steel.
• Mill scale is a flaky surface that forms on the surface of steel during hot rolling.

• It is composed mainly of iron oxides, with a mixture of other elements such as manganese, silicon, and sulfur.

• Mill scale is formed when the steel is heated and comes into contact with oxygen in the air.

• The scale is typically black or dark gray in color and has a rough, scaly...read more
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Q22. 22. Where we can find volume solid percentage?
Ans. 
Volume solid percentage can be found in various materials and coatings.
• Volume solid percentage is a measure of the amount of solid material in a coating or material.

• It is typically expressed as a percentage of the total volume of the coating or material.

• Volume solid percentage is important in determining the quality and performance of coatings, as it affects properties such as durability and adhesion.

• It can be determin...read more
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Q23. 23. Use of dead man handle?
Ans. 
A dead man handle is a safety feature used in equipment to prevent accidents or injuries.
• A dead man handle is a lever or switch that must be continuously held or activated by the operator for the equipment to function.

• If the operator releases the dead man handle, the equipment will automatically stop or shut down.

• It is commonly used in machinery like power tools, cranes, and elevators to ensure operator safety.

• For exam...read more
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Q24. 24. Classification of Coating?
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Coatings can be classified based on their composition, application method, and purpose.
• Coatings can be classified as organic or inorganic based on their composition.

• They can also be classified as liquid or powder coatings based on their application method.

• Coatings can be further classified based on their purpose, such as protective coatings, decorative coatings, or functional coatings.

• Examples of coating classification...read more
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Q25. 25. Use of replica tape?
Ans. 
Replica tape is used to assess the quality of a coating by creating a replica of the surface.
• Replica tape is a thin, adhesive tape that is pressed onto the coated surface.

• It is then peeled off and the tape retains a replica of the coating's surface profile.

• The replica tape is then examined under a microscope or compared to a standard to assess the quality of the coating.

• It can be used to check for defects such as rough...read more
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Q26. 26. What is MEK test?
Ans. 
MEK test is a method used to determine the resistance of coatings to certain solvents.
• MEK stands for Methyl Ethyl Ketone, which is a common solvent used in coatings.

• The MEK test involves applying the solvent to the coating and observing any changes or damage.

• It is used to assess the adhesion and durability of coatings.

• The test is performed by applying a small amount of MEK to a cloth or cotton swab and rubbing it on th...read more
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Q27. 27. Took gauge is used for what?
Ans. 
A took gauge is used to measure the thickness of a coating or paint.
• Took gauge is a handheld tool with a calibrated scale or dial indicator.

• It is used to ensure that the coating or paint applied meets the required thickness specifications.

• The gauge is pressed against the coated surface and the measurement is taken.

• It helps in quality control by identifying any deviations from the desired coating thickness.

• Examples of c...read more
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Q28. 28. What is blister how to form?
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Blister is a coating defect that forms when air or moisture becomes trapped between layers of a coating film.
• Blistering occurs when there is inadequate surface preparation before applying the coating.

• It can also happen due to poor adhesion between the coating layers or the substrate.

• High temperatures or excessive humidity during the curing process can contribute to blister formation.

• Blistering can be visually identifie...read more
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Q29. 29. What does ph value shows?
Ans. 
pH value shows the acidity or alkalinity of a substance.
• pH value is a measure of the concentration of hydrogen ions in a solution.

• It is a scale ranging from 0 to 14, where 0-6 indicates acidity, 7 is neutral, and 8-14 indicates alkalinity.

• Lower pH values indicate higher acidity, while higher pH values indicate higher alkalinity.

• pH value is important in various industries like water treatment, food processing, and manuf...read more
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Q30. 30. Sigma paint can be painted over jotun?
Ans. 
Yes, Sigma paint can be painted over Jotun.
• Sigma paint is compatible with Jotun paint and can be applied over it.

• Both paints have similar properties and can be used together without any issues.

• Ensure proper surface preparation and follow the manufacturer's guidelines for best results.
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Q31. 31. Define the sagging?
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Sagging refers to the downward movement or deformation of a coating film due to gravity.
• Sagging occurs when the coating material is applied too thickly or when the surface is not properly prepared.

• It is commonly seen in vertical or overhead surfaces.

• Sagging can result in an uneven or drippy appearance of the coating.

• Examples of sagging include paint running down a wall or a thick layer of varnish drooping on a ceiling.
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