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I applied via Campus Placement and was interviewed in Sep 2023. There was 1 interview round.
Plastic viscosity is the measure of a fluid's resistance to flow, important in artificial lift operations.
Plastic viscosity is a rheological property of fluids, indicating how easily a fluid can flow under stress.
In artificial lift operations, understanding plastic viscosity helps in selecting the right pumping equipment and optimizing production.
Higher plastic viscosity can lead to increased pressure drop in the wellb...
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I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jun 2020. There was 1 interview round.
Safety refers to the condition of being protected from harm, danger, or injury.
Safety involves taking measures to prevent accidents and injuries
It includes following rules and regulations to ensure a safe environment
Safety can be achieved through proper training and education
Examples of safety measures include wearing protective gear, using safety equipment, and practicing safe behaviors
Safety is important in all indus...
LEL stands for Lower Explosive Limit and is the minimum concentration of a gas or vapor in air that can ignite.
LEL is a safety term used in industries dealing with flammable gases and liquids.
It is expressed as a percentage of the gas or vapor in air.
If the concentration of the gas or vapor is below the LEL, it is too lean to ignite.
If the concentration is above the LEL, it is too rich and can ignite.
For example, the L...
JSA/JHA stands for Job Safety Analysis/Job Hazard Analysis. It is a process of identifying potential hazards and risks in a job or task.
JSA/JHA is a systematic approach to identify and mitigate potential hazards in a job or task
It involves breaking down a job or task into steps and analyzing each step for potential hazards
The analysis includes identifying the hazards, assessing the risks, and implementing controls to m...
HSE plays a crucial role in ensuring the safety and well-being of employees and the environment.
HSE stands for Health, Safety, and Environment.
It involves identifying and assessing potential hazards and implementing measures to control or eliminate them.
HSE also includes training employees on safety procedures and emergency response plans.
Examples of HSE measures include wearing personal protective equipment, conductin...
Hchem is not a known term or acronym in the engineering field.
Hchem is not a commonly used term in engineering
It is possible that the interviewer misspoke or meant to ask a different question
Without more context, it is difficult to provide a more specific answer
Hazop is a structured and systematic technique used to identify potential hazards and operability problems in industrial processes.
Hazop stands for Hazard and Operability Study
It involves a team of experts analyzing a process to identify potential hazards and operability issues
Hazop is commonly used in the chemical, oil and gas, and pharmaceutical industries
The process involves breaking down the process into smaller pa...
Confined space refers to an area that is enclosed and has limited access and ventilation.
Examples include tanks, silos, sewers, and tunnels.
Workers entering confined spaces must follow safety protocols and use specialized equipment.
Hazards in confined spaces include lack of oxygen, toxic gases, and physical obstructions.
Proper training and communication are crucial for working in confined spaces.
Work at height refers to any task performed at a height where a person could fall and injure themselves.
Work at height involves working on ladders, scaffolding, roofs, or any other elevated surface
It is important to use appropriate safety equipment such as harnesses, guardrails, and safety nets
Workers should be trained on how to safely work at height and how to properly use safety equipment
Examples of work at height in...
Confined spaces pose a significant hazard due to limited entry and exit points, poor ventilation, and potential for hazardous substances.
Limited entry and exit points can make it difficult to escape in case of an emergency
Poor ventilation can lead to a buildup of toxic gases or lack of oxygen
Potential for hazardous substances such as chemicals, fumes, or dust
Examples include tanks, silos, sewers, and tunnels
Proper trai...
Precautions to be taken while working in confined spaces
Proper ventilation and air quality testing
Use of personal protective equipment
Proper lighting and communication equipment
Training and certification for workers
Emergency rescue plan in place
LEL&UEL stands for Lower Explosive Limit and Upper Explosive Limit respectively. They are the minimum and maximum concentrations of a flammable gas or vapor in air that can ignite.
LEL is the lowest concentration of a gas or vapor that can ignite
UEL is the highest concentration of a gas or vapor that can ignite
Concentrations between LEL and UEL are considered flammable
LEL and UEL vary depending on the gas or vapor
LEL an...
Fire is a chemical reaction that releases heat, light, and various gases.
Fire is a rapid oxidation process that occurs when fuel (such as wood, paper, or gasoline) combines with oxygen in the presence of heat or a spark.
It releases heat, light, and various gases such as carbon dioxide, water vapor, and nitrogen oxides.
Fire can be beneficial (such as for cooking or heating) or destructive (such as in wildfires or house ...
There are four types of fire: Class A, Class B, Class C, and Class D.
Class A fires involve ordinary combustibles such as wood, paper, or cloth.
Class B fires involve flammable liquids or gases such as gasoline, oil, or propane.
Class C fires involve electrical equipment such as appliances, wiring, or circuit breakers.
Class D fires involve combustible metals such as magnesium, titanium, or sodium.
There are different types of fire extinguishers for different types of fires.
Water extinguishers for Class A fires (wood, paper, cloth, etc.)
CO2 extinguishers for Class B and C fires (flammable liquids and electrical fires)
Dry chemical extinguishers for Class A, B, and C fires
Foam extinguishers for Class A and B fires
Wet chemical extinguishers for Class K fires (cooking oils and fats)
Modes of heat transfer include conduction, convection, and radiation.
Conduction is the transfer of heat through a material without any movement of the material itself.
Convection is the transfer of heat through the movement of fluids, such as air or water.
Radiation is the transfer of heat through electromagnetic waves, such as from the sun or a fire.
Preventing fire requires proper handling of flammable materials and regular maintenance of electrical equipment.
Store flammable materials in designated areas away from heat sources
Regularly inspect and maintain electrical equipment
Install smoke detectors and fire extinguishers in appropriate locations
Train employees on fire safety procedures and evacuation plans
MSDS stands for Material Safety Data Sheet.
MSDS provides information about hazardous chemicals and substances.
It includes information about the physical and chemical properties of the substance, health hazards, precautions for safe handling and use, and emergency procedures.
MSDS is required by law for all hazardous chemicals and substances used in the workplace.
It is important to read and understand the MSDS before usi...
Firefighting involves identifying and extinguishing fires to prevent damage and loss of life.
Assess the situation and determine the type and size of fire
Use appropriate firefighting equipment such as fire extinguishers, hoses, and pumps
Follow safety protocols and wear protective gear
Coordinate with other firefighters and emergency responders
Evacuate people from the affected area
Monitor the situation and ensure the fire
Prevent accidents by identifying potential hazards and implementing safety measures.
Conduct regular safety audits and risk assessments
Provide proper training and education to employees
Implement safety protocols and procedures
Use appropriate safety equipment and gear
Encourage a culture of safety and accountability
Regularly review and update safety policies and procedures
To investigate an accident, follow a systematic approach involving data collection, analysis, and identification of root causes.
Gather all available information about the accident, including eyewitness accounts, photographs, and any relevant documents or records.
Conduct interviews with individuals involved in the accident to gather their perspectives and insights.
Examine the accident scene for physical evidence, such a...
H2S is a colorless, flammable, and toxic gas with a strong odor of rotten eggs.
H2S is commonly known as hydrogen sulfide.
It is produced naturally by the breakdown of organic matter and is found in natural gas, crude oil, and volcanic gases.
It is highly toxic and can cause respiratory failure, loss of consciousness, and even death.
H2S is used in various industries such as oil and gas, mining, and pulp and paper.
It is al...
H2S is a colorless, flammable, and toxic gas with a strong odor of rotten eggs.
H2S is highly flammable and can ignite easily
It is toxic and can cause respiratory failure
It has a distinctive odor of rotten eggs
H2S is used in the production of sulfuric acid and in the petroleum industry
Permissible exposure limits (PEL) are the maximum allowable concentrations of hazardous substances in the workplace.
H2S: PEL is 10 ppm (parts per million) over an 8-hour workday
CO: PEL is 50 ppm over an 8-hour workday
CO2: No specific PEL, but recommended exposure limit is 5,000 ppm over an 8-hour workday
Methane: No specific PEL, but recommended exposure limit is 1,000 ppm over an 8-hour workday
Short term exposure limit (STEL) of H2S is 10 ppm.
STEL is the maximum concentration of a substance that a worker can be exposed to for a short period of time without suffering from immediate or long-term health effects.
The STEL for H2S is set at 10 ppm (parts per million) by OSHA (Occupational Safety and Health Administration).
Exposure to H2S at levels above the STEL can cause symptoms such as eye irritation, headache,...
I applied via Naukri.com and was interviewed before May 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Approached by Company and was interviewed in Feb 2023. There were 2 interview rounds.
Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.
OOP is based on the concept of classes and objects.
It allows for encapsulation, inheritance, and polymorphism.
Encapsulation hides the internal details of an object and provides a public interface.
Inheritance allows classes to inherit properties and methods from other classes.
Polymorphism allows objects of diff...
Interface defines only method signatures while abstract class can have method implementations.
An interface can be implemented by multiple classes while a class can extend only one abstract class.
An abstract class can have instance variables while an interface cannot.
An abstract class can have constructors while an interface cannot.
An abstract class can provide default implementations for some methods while an interface...
Docker is a containerization platform while Kubernetes is a container orchestration tool.
Docker is used to create, deploy, and run applications in containers.
Kubernetes is used to manage and orchestrate multiple containers in a cluster.
Docker provides a way to package and distribute applications in a portable manner.
Kubernetes provides features like automatic scaling, load balancing, and self-healing.
Docker is a lower-...
Event emitter is a class in Angular that allows communication between components.
Event emitter is used to emit custom events in Angular.
It allows communication between parent and child components.
It can be used to pass data from child to parent component.
It is a part of the @angular/core package.
Example: @Output() eventEmitter = new EventEmitter();
View encapsulation is a feature in Angular that allows for the creation of isolated components.
View encapsulation ensures that styles defined in a component do not affect other components.
There are three types of view encapsulation: Emulated, Native, and None.
Emulated is the default and uses CSS to emulate shadow DOM.
Native uses the browser's native shadow DOM implementation.
None does not provide any view encapsulation
Components in Angular can communicate with each other using @Input, @Output, and services.
Use @Input to pass data from parent to child component
Use @Output to emit events from child to parent component
Use services to share data between components that are not directly related
Use RxJS subjects to create a shared data stream between components
I applied via Company Website and was interviewed in Jun 2023. There were 4 interview rounds.
Asked Real Time Scenario to create Microservice for Train and Station information. The interviewer asked what are the properties needs to be considered for evaluating service.
Core Java 11 questions: Webservices, Improvement in JVM, Threads
Java 8: Asked to write a program based on Group By Scenario.
The interview lasts around 2 hrs.
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