50+ KBS Creations Interview Questions and Answers

The complete process of a cross country pipeline project involves planning, design, construction, testing, and commissioning.

• Planning phase: Identify project objectives, route selection, environmental impact assessment.

• Design phase: Engineering design, material selection, pipeline alignment.

• Construction phase: Clearing and grading, trenching, welding and joining, coating and insulation.

• Testing phase: Hydrostatic testing, non-destructive testing, leak detection.

• Commissioning p...read more

Hydrotest is a pressure test conducted on pipelines to check for leaks and structural integrity.

• Hydrotest involves filling the pipeline with water and pressurizing it to a specified level.

• The pressure is maintained for a specified duration to check for leaks or any other defects.

• The test also checks the structural integrity of the pipeline by measuring the amount of deformation under pressure.

• The test is usually conducted before commissioning the pipeline to ensure its safety...read more

Hydrotest involves filling the equipment with water and pressurizing it to check for leaks or defects.

• Equipment is filled with water and pressurized to a specified level

• Pressure gauges are used to monitor the pressure

• The equipment is held at the specified pressure for a set amount of time

• After the test, the water is drained and the equipment is inspected for leaks or defects

• Equipment and instruments used include pumps, hoses, pressure gauges, and safety valves

Major defects in welding and how to eliminate them

• Porosity

• Incomplete fusion

• Cracks

• Undercutting

• Lack of penetration

• Contamination

• Improper electrode storage

• Proper welding technique and equipment maintenance can eliminate most defects

The instrument used in joint coating process is a profile gauge. Acceptance criteria for surface roughness is specified in the project specifications.

• Profile gauge is used to measure the surface roughness of the joint coating.

• Acceptance criteria for surface roughness is specified in the project specifications.

• Surface roughness is measured in microns or mils.

• Surface roughness should be within the specified range for the joint coating to be accepted.

The clearance for big end bearing can be measured using a micrometer or a feeler gauge.

• Use a micrometer to measure the diameter of the crankshaft journal and the inner diameter of the big end bearing. The clearance is calculated by subtracting the crankshaft journal diameter from the bearing inner diameter.

• Alternatively, a feeler gauge can be used to measure the clearance by inserting the gauge between the crankshaft journal and the bearing and checking for the appropriate ga...read more

TDC stands for Top Dead Center and BDC stands for Bottom Dead Center. They are reference points in the rotation of an engine's crankshaft.

• TDC is the point where the piston is at its highest position in the cylinder during the compression stroke.

• BDC is the point where the piston is at its lowest position in the cylinder during the exhaust stroke.

• Understanding TDC and BDC is crucial for timing engine components such as valves and ignition.

• TDC and BDC are used to determine the p...read more

The clearance of TDC and BDC for a vertical reciprocating compressor can be measured using a dial indicator.

• Use a dial indicator to measure the distance between the top dead center (TDC) and bottom dead center (BDC) positions of the piston.

• Rotate the crankshaft to bring the piston to TDC and set the dial indicator to zero.

• Rotate the crankshaft to bring the piston to BDC and note the reading on the dial indicator.

• The difference between the readings at TDC and BDC will give you...read more

Focus on proper alignment, tightness, material compatibility, and proper torque during suction and discharge valve box up.

• Ensure proper alignment of the valves to prevent leakage

• Check for tightness of the connections to avoid any leaks

• Use materials compatible with the fluid being handled to prevent corrosion or damage

• Apply the correct torque to the bolts to ensure a secure connection

WPS is a welding procedure specification, WQT is a welding qualification test, PQR is a procedure qualification record, and PQT is a performance qualification test.

• WPS is a document that outlines the welding process to be used for a specific job

• WQT is a test that ensures the welder is qualified to perform the welding process outlined in the WPS

• PQR is a record that documents the results of a welding procedure qualification test

• PQT is a test that ensures the welded product meet...read more

Piling is a construction procedure used to strengthen the foundation of a building. It involves various methods and the time taken depends on several factors.

• Piling is done using methods like driven piles, bored piles, and auger cast piles.

• Driven piles involve hammering precast concrete or steel piles into the ground.

• Bored piles are created by drilling a hole into the ground and filling it with concrete.

• Auger cast piles are formed by drilling a hole and filling it with grout ...read more

Various codes and standards are followed for laying pipelines to ensure safety and quality.

• API 1104 - Welding of Pipelines and Related Facilities

• ASME B31.4 - Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids

• ASME B31.8 - Gas Transmission and Distribution Piping Systems

• ISO 13623 - Petroleum and Natural Gas Industries - Pipeline Transportation Systems

• DOT Pipeline Safety Regulations - 49 CFR Parts 192 and 195

Equipment installation involves setting up machinery and ensuring it operates correctly.

• Understanding technical specifications and blueprints

• Assembling and connecting components

• Testing and troubleshooting

• Adhering to safety regulations

• Collaborating with other professionals

• Examples: installing HVAC systems, manufacturing equipment, or production lines

Vent pipe is used to equalize the pressure inside and outside the casing during installation of pipelines.

• Vent pipe is installed in the annular space between the carrier pipe and casing.

• It helps to prevent the formation of a vacuum or pressure differential during installation.

• It also allows for the escape of air or gas trapped in the annular space.

• Vent pipe should be installed at the highest point of the casing.

• It should be capped after installation to prevent debris from ent...read more

M20 grade of concrete has a compressive strength of 20 N/mm² after 28 days.

• M20 grade of concrete is a mix of 1:1.5:3 cement, sand, and aggregate respectively.

• It is commonly used for residential and commercial construction.

• The compressive strength of M20 grade concrete after 28 days is 20 N/mm².

• This strength can be achieved by proper curing and water-cement ratio.

Disbondment in cold bend pipe can be checked using visual inspection, ultrasonic testing, and radiography.

• Visual inspection can detect disbondment on the surface of the pipe.

• Ultrasonic testing can detect disbondment in the pipe wall by sending high-frequency sound waves through the pipe.

• Radiography can detect disbondment by using X-rays or gamma rays to create an image of the pipe's internal structure.

• Disbondment can also be checked by performing a bend test on the pipe and e...read more

I have been working as a piping engineer for 5 years.

• I have 5 years of experience working specifically as a piping engineer.

• During this time, I have gained expertise in designing, analyzing, and implementing piping systems.

• I have worked on various projects that involved piping design, layout, and maintenance.

• I have also collaborated with other engineers and professionals to ensure the successful completion of projects.

Rigid pavement is made of concrete while flexible pavement is made of asphalt. Crust thickness is determined by traffic load and soil type.

• Rigid pavement is more durable and has a longer lifespan than flexible pavement.

• Flexible pavement is easier and cheaper to repair than rigid pavement.

• Crust thickness is determined by factors such as traffic load, soil type, and climate conditions.

• High embankment requires a wider formation width and higher formation level.

• CBR of S.G. (Calif...read more

Stock loss can be calculated by taking the difference between actual stock and recorded stock. Preventive actions include regular stock checks and implementing security measures.

• Calculate stock loss by subtracting actual stock from recorded stock

• Regularly check stock levels to identify any discrepancies

• Implement security measures such as CCTV cameras and security personnel

• Train staff on proper stock management procedures

• Conduct investigations to identify the cause of stock lo...read more

Approach slabs are provided for rectification of rigid pavement to ensure smooth transition and prevent damage to the pavement.

• Approach slabs are used to provide a smooth transition between the rigid pavement and the adjacent flexible pavement.

• They also help to distribute the load from the flexible pavement to the rigid pavement.

• Crust thickness details vary for each project depending on factors such as traffic volume, climate, and soil conditions.

• Wearing courses are the top l...read more

I have experience in maintenance, repair, and troubleshooting of mechanical equipment in offshore oil and gas platforms.

• Maintenance and repair of pumps, compressors, and turbines

• Troubleshooting of hydraulic and pneumatic systems

• Experience in working with safety protocols and regulations

• Familiarity with preventive maintenance programs

• Knowledge of equipment installation and commissioning

• Experience in working with rotating equipment

• Experience in working with control systems

• Exper...read more

LEL stands for Lower Explosive Limit. Important gases for gas test prior to hot work in red zone are methane, propane, butane, hydrogen, and acetylene.

• LEL is the minimum concentration of a gas or vapor in air that can ignite and burn

• Gas test is done to ensure that the atmosphere is safe for hot work

• Important gases for gas test include methane, propane, butane, hydrogen, and acetylene

• LEL is expressed as a percentage of the gas or vapor in air

• If the LEL is exceeded, the atmosph...read more

Pressure gauges are used to measure the pressure of fluids and gases in various industries.

• Pressure gauges come in different ranges depending on the application.

• The range of a pressure gauge should be selected based on the maximum pressure expected in the system.

• The accuracy of the pressure gauge should also be considered when selecting a gauge.

• Pressure gauges should be calibrated regularly to ensure accurate readings.

• Some common pressure gauge ranges include 0-100 psi, 0-500...read more

Yes, I am familiar with multistage pump maintenance.

• I have experience in disassembling and reassembling multistage pumps.

• I am knowledgeable in inspecting and replacing worn out parts such as impellers and bearings.

• I am skilled in aligning the pump and motor shafts to ensure proper operation.

• I am proficient in troubleshooting and diagnosing issues with multistage pumps.

• I am familiar with performing routine maintenance tasks such as lubrication and cleaning.

• For example, I have ...read more

Yes, I have experience working on piping in various projects.

• I have designed piping systems for industrial plants

• I have conducted stress analysis on piping systems

• I have worked on troubleshooting and maintenance of piping systems

In hand salary is the amount an employee receives after deductions like taxes and other contributions, while net salary is the total amount paid by the employer before deductions.

• In hand salary is the actual amount an employee takes home after deductions.

• Net salary is the total amount paid by the employer before deductions.

• In hand salary includes deductions like taxes, insurance, and other contributions.

• Net salary does not include deductions and is the total amount agreed upo...read more

Key points to plan for a vessel include route, cargo, crew, fuel, and safety measures.

• Determine the most efficient and safe route for the vessel to take

• Consider the type and amount of cargo being transported

• Ensure the crew is properly trained and equipped for the voyage

• Calculate the necessary amount of fuel and provisions for the journey

• Implement safety measures such as lifeboats, fire extinguishers, and emergency procedures

Vessel operation procedures involve a set of guidelines and documentation to ensure safe and efficient operations.

• Vessel operation procedures include pre-departure checks, navigation procedures, communication protocols, and emergency response plans.

• Documentation includes vessel logs, maintenance records, safety checklists, and crew training records.

• Procedures and documentation must comply with international maritime regulations and industry standards.

• Regular audits and inspec...read more

Current CTC refers to the total salary package of an individual including all benefits and allowances.

• Current CTC includes base salary, bonuses, incentives, and other perks.

• It is important to provide an accurate figure when asked about current CTC.

• Example: Current CTC is INR 10 lakhs per annum.

There are several types of valves used in mechanical engineering for controlling the flow of fluids or gases.

• Types of valves include ball valves, gate valves, globe valves, butterfly valves, check valves, and pressure relief valves.

• Valves can be classified based on their function (e.g. isolation valves, control valves), design (e.g. rotary valves, linear valves), or material (e.g. brass valves, stainless steel valves).

• Each type of valve has specific applications and advantage...read more

Inspection procedure for pressure vessel involves visual inspection, non-destructive testing, and documentation review.

• Visual inspection of the exterior and interior surfaces of the pressure vessel

• Non-destructive testing methods such as ultrasonic testing, radiography, and magnetic particle testing

• Review of documentation including design specifications, fabrication records, and previous inspection reports

Hydrotest is a pressure test conducted on pipes, vessels, or equipment to ensure their strength and integrity.

• Hydrotest is required to ensure that the equipment can withstand the design pressure and prevent leaks or failures.

• It involves filling the equipment with water or other fluids and pressurizing it to a specified level for a certain duration.

• The pressure is then released, and the equipment is inspected for any leaks or deformations.

• Hydrotest is mandatory for new install...read more

Statutory compliances refer to the legal requirements that organizations must adhere to in order to operate within the law.

• Statutory compliances vary by country and industry, and typically cover areas such as labor laws, tax regulations, environmental regulations, and health and safety standards.

• Examples of statutory compliances include filing tax returns on time, providing employees with minimum wage and benefits as per labor laws, and ensuring workplace safety measures are ...read more

I prefer not to disclose my current CTC as it is confidential.

• I believe that my salary expectations are in line with industry standards for this position.

• I am more interested in discussing the responsibilities and opportunities of this role.

• I am open to negotiating a fair and competitive salary package based on my skills and experience.

Construction and maintenance of GIS buildings involves planning, design, construction, and ongoing upkeep of the facility.

• GIS building construction requires detailed planning and design to ensure the facility meets the specific needs of the project.

• Regular maintenance is essential to keep the GIS building in optimal condition and prevent costly repairs in the future.

• Maintenance tasks may include HVAC system checks, roof inspections, plumbing repairs, and general upkeep of the...read more

A control valve is a device used to regulate the flow of a fluid in a process system. Loop checking is the process of verifying the functionality of control loops.

• Control valve is used to control the flow rate, pressure, temperature, or level of a fluid in a process system

• Loop checking involves verifying the communication and functionality of control loops in a system

• Loop checking is typically done during commissioning or maintenance of a system

• Examples of loop checking inclu...read more

OHT stands for Overhead Tank. It is a water storage tank placed at a height to provide water pressure for distribution.

• OHT is typically placed on the roof of a building or on a tower to ensure gravity-fed water supply.

• The water is pumped into the OHT from a water source like a borewell or municipal supply.

• The height of the OHT determines the water pressure available for distribution.

• Pipes are connected from the OHT to various parts of the building for water supply.

• Regular mai...read more

Maintenance procedures for heat exchangers involve regular cleaning, inspection, and testing to ensure optimal performance.

• Regularly clean the heat exchanger tubes to remove any buildup of debris or scale

• Inspect the heat exchanger for leaks, corrosion, or other signs of damage

• Test the heat exchanger for efficiency and performance using pressure and temperature measurements

• Replace any worn out or damaged parts to prevent further issues

• Keep detailed records of maintenance activ...read more

Ethanol lorries can be QC'd by checking documentation, conducting physical inspections, and performing random sampling.

• Check documentation for accuracy and completeness

• Conduct physical inspections of the lorries for any damages or leaks

• Perform random sampling of the ethanol to ensure quality and purity

• Ensure compliance with safety regulations and standards

• Train staff on proper QC procedures and protocols

To make a Welding Procedure Specification (WPS) with reference to codes, one must follow the guidelines provided by the relevant welding codes and standards.

• Understand the requirements of the specific welding code being used (e.g. AWS D1.1, ASME Section IX)

• Identify the essential variables for the welding process (e.g. material type, thickness, welding position)

• Select the appropriate welding process, filler metal, preheat and interpass temperature based on the code requirement...read more

The SAP t-code for allocation of lorries is VT01N.

• Use transaction code VT01N in SAP to allocate lorries.

• Enter the necessary details such as shipment number, delivery date, and lorry details.

• Allocate the lorry to the shipment and save the allocation.

• You can also use transaction VL02N to allocate lorries in SAP.

• Ensure to check the availability of the lorry before allocation.

FHTC stands for First Horizontal Tangent Point, a key element in highway design.

• FHTC marks the beginning of a horizontal curve on a highway.

• It is typically located at the point where the road transitions from a straight section to a curved section.

• Proper placement of FHTC is crucial for ensuring safe and efficient traffic flow.

• Design considerations at FHTC include curve radius, superelevation, and sight distance.

• FHTC is important for determining the alignment and geometry of ...read more

The water cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix.

• The water cement ratio is a crucial factor in determining the strength and durability of concrete.

• A lower water cement ratio results in stronger and more durable concrete.

• The ideal water cement ratio varies depending on the type of concrete mix and desired strength.

• For example, a typical water cement ratio for a standard concrete mix is around 0.5.

Maintenance procedures for tanks and vessels involve regular inspections, cleaning, and repairs to ensure safe and efficient operation.

• Regularly inspect tanks and vessels for signs of corrosion, leaks, or damage.

• Clean tanks and vessels to remove buildup of sediment, rust, or other contaminants.

• Repair any cracks, leaks, or structural damage promptly to prevent further deterioration.

• Perform routine maintenance tasks such as lubrication of moving parts and testing of safety syst...read more

RBI stands for Risk-Based Inspection, a method used to optimize inspection schedules based on risk levels.

• RBI is a methodology used to determine the most effective inspection plan based on the risk associated with each piece of equipment or component.

• It involves assessing the likelihood of failure and the consequences of failure to prioritize inspection efforts.

• RBI helps in optimizing inspection intervals, reducing downtime, and ensuring safety and reliability.

• Examples of RBI...read more

Hot tap is a method used to create a connection to a pressurized system without shutting it down.

• Hot tap involves drilling into a pressurized system to create a branch connection.

• It is commonly used in pipelines to install new equipment or perform maintenance without interrupting the flow.

• Specialized equipment and procedures are used to ensure safety and integrity of the system during hot tapping.

• Examples include adding a new valve to a pipeline without shutting down the flow...read more

Various types of NDT methods are used including ultrasonic testing, radiographic testing, magnetic particle testing, liquid penetrant testing, and visual testing.

• Ultrasonic testing is used to detect internal flaws in materials by sending high-frequency sound waves through the material.

• Radiographic testing uses X-rays or gamma rays to inspect the internal structure of a component.

• Magnetic particle testing is used to detect surface and near-surface flaws in ferromagnetic materi...read more

Tank lorries are fitted with specialized equipment for safe transportation of liquids or gases.

• Tank lorries are fitted with pumps, hoses, and valves to load and unload liquids or gases.

• Specialized fittings such as pressure relief valves and gauges are used to ensure safe transportation.

• Tank lorries may also be equipped with insulation or heating systems for temperature-sensitive cargo.

• Proper maintenance and inspection of fittings are crucial to prevent leaks or accidents.

• Exam...read more

In emergency handling, it is crucial to remain calm, assess the situation, prioritize tasks, communicate effectively, and follow established protocols.

• Remain calm and composed to make rational decisions

• Assess the situation to determine the severity and required actions

• Prioritize tasks based on urgency and impact

• Communicate effectively with team members, stakeholders, and authorities

• Follow established emergency protocols and procedures

• Regularly review and update emergency resp...read more

Couplings are used to connect two shafts together to transmit power.

• Couplings are used to compensate for misalignment between two shafts.

• They can also be used to absorb shock and vibration.

• Common types of couplings include rigid, flexible, and fluid couplings.

• Examples of applications include pumps, compressors, and conveyors.

Safety certificates are important for ensuring compliance with regulations, demonstrating competency, and reducing risks in the workplace.

• Safety certificates demonstrate that individuals have received proper training and have the necessary skills to perform their job safely.

• They help organizations comply with legal requirements and industry standards, reducing the risk of accidents and injuries.

• Having safety certificates can also improve the organization's reputation and cred...read more

Calibration of instruments ensures accuracy and reliability of measurements.

• Calibration involves comparing the readings of an instrument to a known reference

• Adjustments are made to the instrument to minimize any differences

• Regular calibration is essential to maintain accuracy over time

Troubleshooting in a plant involves identifying and resolving issues that affect production and efficiency.

• Start by gathering information about the problem and its symptoms

• Use diagnostic tools and techniques to identify the root cause

• Develop and implement a plan to address the issue

• Monitor the situation to ensure the solution is effective

• Document the problem and solution for future reference

Fittings of tanks refer to the components used for connecting pipes, valves, and other equipment to the tank.

• Fittings include flanges, couplings, elbows, tees, and valves.

• They are used to control the flow of liquids in and out of the tank.

• Proper selection of fittings is crucial for ensuring the safe and efficient operation of the tank.

• Examples of fittings include tank manways, nozzles, and vents.

WPS is a document that provides guidelines for welding processes, while PQR is a record of the actual test results from welding procedure qualification tests.

• WPS stands for Welding Procedure Specification, it provides detailed instructions on how to perform a specific welding process.

• PQR stands for Procedure Qualification Record, it documents the actual test results from welding procedure qualification tests.

• WPS is used as a reference for welders to ensure consistency in weld...read more

Minimum depth of foundation depends on various factors such as soil type, building load, and local building codes.

• Minimum depth of foundation is typically determined by the local building codes and regulations.

• Factors such as soil type, building load, and proximity to trees or other structures can also influence the minimum depth of foundation.

• For example, in areas with expansive clay soils, deeper foundations may be required to prevent settlement issues.