30+ Livpure Interview Questions and Answers

Before performing manual excavation inside a live plant, I will ensure the safety of workers and the plant's integrity.

• Conduct a risk assessment to identify potential hazards and implement control measures

• Ensure workers are trained and equipped with appropriate personal protective equipment

• Obtain necessary permits and approvals from plant management

• Inspect the excavation site for any underground utilities or other hazards

• Monitor the excavation site for any signs of instabilit...read more

10 components of scaffold and when inspection is required

• Components: base plates, standards, ledgers, transoms, braces, guardrails, toeboards, scaffold planks, couplers, tie-ins

• Inspection required: before first use, after any modifications, after any incidents or severe weather, every 7 days

• Base plates: provide stable foundation

• Standards: vertical tubes that support the scaffold

• Ledgers: horizontal tubes that connect the standards

• Transoms: horizontal tubes that connect the led...read more

Before welding near a process line, a mitigation plan should be checked.

• Ensure that the welding area is free from flammable materials.

• Check if the welding equipment is properly grounded.

• Verify that the welding personnel are wearing appropriate personal protective equipment.

• Conduct a gas test to ensure that the welding activity will not cause any explosion or fire.

• Ensure that the welding activity will not cause any damage to the process line or nearby equipment.

• Have a fire ext...read more

Leading and lagging indicators are used to measure safety performance in an organization.

• Leading indicators are proactive measures that help predict and prevent incidents from occurring.

• Lagging indicators are reactive measures that track incidents that have already occurred.

• Examples of leading indicators include safety training, safety audits, and near-miss reporting.

• Examples of lagging indicators include injury rates, lost workdays, and workers' compensation claims.

Safety is the state of being protected from harm or danger. There are various types of permits depending on the nature of work.

• Safety refers to the measures taken to prevent accidents, injuries, and other hazards in the workplace.

• Types of permits include hot work permits, confined space permits, excavation permits, and electrical permits.

• Permits are issued to ensure that work is carried out safely and in compliance with regulations and standards.

• Different permits may be requi...read more

Tie-in is connecting two pipelines while hot tapping is making a connection to a pressurized pipeline.

• Tie-in involves welding or bolting two pipelines together to create a continuous flow.

• Hot tapping is a method of making a connection to a pressurized pipeline without shutting down the flow.

• Hot tapping is commonly used for repairs, modifications, or adding new connections to existing pipelines.

• Both tie-in and hot tapping require strict safety measures to prevent accidents and...read more

ERICP stands for Emergency Response and Incident Command Plan. The manuals for scaffolding include OSHA's Scaffold Use in the Construction Industry and ANSI/ASSE A10.8-2011.

• ERICP is a plan that outlines procedures for responding to emergencies and incidents in the workplace.

• It includes identifying potential hazards, establishing communication protocols, and assigning roles and responsibilities.

• The manuals for scaffolding provide guidelines for safe use and construction of sca...read more

H2S is a colorless, flammable gas with a strong odor of rotten eggs. It is harmful due to its toxicity and flammability.

• H2S is hydrogen sulfide, a gas commonly found in oil and gas wells, sewage systems, and other industrial settings

• It is toxic and can cause respiratory failure, unconsciousness, and even death at high concentrations

• H2S is also flammable and can ignite at concentrations as low as 4%

• Proper safety measures, such as personal protective equipment and gas detection...read more

There are four main types of welding: MIG, TIG, Stick, and Flux-Cored.

• MIG (Metal Inert Gas) welding uses a wire electrode and a shielding gas to join two pieces of metal together.

• TIG (Tungsten Inert Gas) welding uses a tungsten electrode and a shielding gas to create a precise and clean weld.

• Stick welding (also known as Shielded Metal Arc Welding or SMAW) uses a consumable electrode coated in flux to create a strong bond between two pieces of metal.

• Flux-Cored welding uses a w...read more

Confined space refers to an enclosed area with limited access and egress, where hazardous conditions may exist.

• Confined spaces have limited openings for entry and exit.

• They are not designed for continuous occupancy.

• Examples include storage tanks, sewers, and underground vaults.

• Confined spaces may contain hazardous substances, lack oxygen, or have the potential for engulfment.

• Proper safety measures, such as ventilation and personal protective equipment, are necessary when work...read more

Blanding time gasket is used to create a seal between two surfaces in mechanical applications.

• Apply the blanding time gasket to one of the surfaces that need to be sealed.

• Ensure that the surface is clean and free from any debris or contaminants.

• Press the two surfaces together firmly to create a tight seal.

• Allow the blanding time gasket to cure or set according to the manufacturer's instructions.

• Check for any leaks or gaps in the seal and make necessary adjustments if required...read more

Critical lifting refers to the process of lifting heavy or awkward objects in a safe and controlled manner to prevent injuries.

• Critical lifting involves assessing the weight and shape of the object to determine the best lifting technique.

• Using proper lifting equipment such as cranes, hoists, or forklifts can help with critical lifting.

• Training employees on proper lifting techniques and safety procedures is essential for preventing accidents.

• Implementing a buddy system for hea...read more

The process of excavation involves planning, preparation, execution, and monitoring to ensure safety and compliance with regulations.

• Planning the excavation site and obtaining necessary permits

• Preparing the site by marking boundaries, ensuring utilities are marked, and establishing safety measures

• Executing the excavation using appropriate equipment and techniques

• Monitoring the excavation for any hazards or deviations from the plan

• Ensuring all workers are trained in excavation...read more

Communication methods in HSE involve clear and effective ways to convey important safety information.

• Utilize regular safety meetings to discuss important HSE topics

• Implement safety bulletins or newsletters to keep employees informed

• Utilize posters, signs, and other visual aids to reinforce safety messages

• Encourage open communication channels for employees to report safety concerns

• Utilize technology such as email, text messages, or apps for quick communication

Blanding is the process of mixing two or more substances together to create a homogeneous mixture.

• Blanding is commonly used in various industries, such as food and beverage, pharmaceuticals, and manufacturing.

• It involves combining different ingredients or components in specific proportions to achieve a desired result.

• Examples of blanding include mixing paint colors to create a new shade, blending different types of flour to make a specific type of bread, or combining chemical...read more

To remove the blanding, you can use various methods such as sanding, scraping, or chemical stripping.

• Sanding: Use sandpaper or a sanding machine to remove the blanding by rubbing it off the surface.

• Scraping: Use a scraper tool to gently scrape away the blanding from the surface.

• Chemical stripping: Apply a chemical stripping agent to dissolve and remove the blanding.

• Example: If the blanding is on a wooden surface, you can use sandpaper to sand it off and then apply a fresh coa...read more

I use different types of permits depending on the nature of work and site requirements.

• Work permits for hot work, confined space entry, excavation, etc.

• Permits for heavy equipment operation, crane operation, etc.

• Permits for working at heights, electrical work, etc.

• Permits for hazardous material handling, welding, etc.

• Permits for road closures, traffic diversions, etc.

There are various types of pumps used in different industries such as centrifugal, positive displacement, and axial flow pumps.

• Centrifugal pumps use a rotating impeller to create a flow of fluid, commonly used in water treatment plants.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge pipe, commonly used in oil and gas industry.

• Axial flow pumps use propellers to create a flow of fluid, commonly used in irrigation systems.

• Ot...read more

Gaskets are used to seal the gap between two surfaces. Types include spiral wound, ring, sheet, and metal.

• Spiral wound gaskets are made of metal and filler material wound together in a spiral pattern.

• Ring gaskets are circular and made of metal or non-metal materials.

• Sheet gaskets are flat and made of materials like rubber, cork, or paper.

• Metal gaskets are made of solid metal and are used in high-pressure applications.

• Other types include jacketed, camprofile, and corrugated ga...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 tests or thermal imaging

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

• Follow manufacturer's guidelines for maintenan...read more

Permits are legal documents that allow individuals or companies to perform certain activities or projects within a specified timeframe and under specific conditions.

• Permits are required for various activities such as construction, demolition, renovation, and environmental impact assessments.

• They ensure that the work being done complies with local regulations and safety standards.

• Permits may be issued by government agencies at the local, state, or federal level.

• Failure to obta...read more

Blinding is a technique used in research studies to prevent bias by keeping participants or researchers unaware of certain information.

• Blinding can be single-blind (participants are unaware) or double-blind (both participants and researchers are unaware)

• Blinding helps to reduce bias and ensure the validity of study results

• Example: In a drug trial, participants may be given either the actual drug or a placebo without knowing which they received

Gaskets are mechanical seals used to prevent leakage between two surfaces.

• Types: Spiral Wound, Ring Joint, Camprofile, Double Jacketed, Kammprofile, Rubber, Cork, Metal Jacketed, Non-Asbestos

• Materials: Rubber, Cork, Metal, Non-Asbestos, PTFE, Graphite, Silicone, Neoprene

• Used in various industries like automotive, aerospace, oil & gas, plumbing, etc.

Concentric reducer has a common center line while eccentric reducer has offset center lines.

• Concentric reducer has a symmetrical design with a common center line for both ends.

• Eccentric reducer has offset center lines, with one end slightly higher or lower than the other.

• Concentric reducers are used when there is a need to maintain the same pressure and flow rate.

• Eccentric reducers are used when there is a need to prevent air or gas accumulation in the pipeline.

• Examples: Conc...read more

Skit entry is a term used in the context of confined space entry procedures to refer to the initial entry into a confined space.

• Skit entry involves following specific safety protocols and procedures to ensure the safety of workers entering confined spaces.

• Workers must be properly trained on skit entry procedures and use appropriate personal protective equipment.

• Examples of confined spaces where skit entry may be required include tanks, silos, and sewers.

VFD stands for Variable Frequency Drive and is used to control the speed of an electric motor. PLC stands for Programmable Logic Controller and is used to automate industrial processes.

• VFD is used to vary the frequency and voltage supplied to an electric motor, allowing for precise control of its speed.

• PLC is a digital computer used to automate industrial processes, such as controlling machinery on a factory assembly line.

• VFDs are commonly used in HVAC systems, pumps, and fan...read more

Static equipment shutdown procedures involve several steps to ensure safety and prevent damage.

• Isolate the equipment from the power source

• Drain any remaining fluids or gases

• Ventilate the equipment to release any trapped pressure

• Lockout and tagout the equipment to prevent accidental startup

• Perform any necessary maintenance or repairs

• Complete all required documentation

• Verify that the equipment is safe to restart before doing so