ESAB Internship Trainee Interview Questions and Answers

Q1. Tell me about yourself ?
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Q2. About your work experience?
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Q1. Observables vs promises Lifecycle hooks Pipes
Ans. 
Observables are used for handling asynchronous operations in a stream-like manner, promises are for handling a single async operation, and lifecycle hooks are methods that allow you to tap into the lifecycle of a component in Angular.
• Observables are used in Angular for handling asynchronous operations in a stream-like manner, allowing you to work with data over time.

• Promises are used for handling a single asynchronous ...read more
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Q1. Lazy loading Dependency injection
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Aptitude+ coding questions ,easy to moderate level questions

Q1. Situation based questions by recording answers upto 3 min
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Q1. Basics of Java and c questions Difference between finalze and final Instances of abstract class
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Easy general questions

Easy array questions

Q1. Mid leetcode question based on role
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Q1. General questions
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It's is fully based on the logical reasoning

It's fully based on the core subjects of computer science

Q1. Maintenance phylosophy
Ans. Depends on equipment running hour, criticality, availability and standby.
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Q1. Which are the equipment used in steam turbine? And their principal and working and troubleshooting?
Ans. 
Equipment used in steam turbine include turbine blades, nozzles, casing, rotor, bearings, and governor.
• Turbine blades: convert steam energy into mechanical energy

• Nozzles: control the flow of steam into the turbine

• Casing: contains and directs the steam flow through the turbine

• Rotor: connected to the turbine blades and rotates to generate power

• Bearings: support the rotor and reduce friction

• Governor: regulates the speed o
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Q2. Tell us about the Woodward 505 ?
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Woodward 505 is a versatile control system used in industrial applications.
• The Woodward 505 is a widely used control system in industries such as power generation, oil and gas, and marine.

• It offers advanced features like PID control, sequencing, and communication capabilities.

• The Woodward 505 is known for its reliability and robustness in harsh operating environments.

• It can be easily integrated with various types of se
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Q3. Explain the structure of the Honeywell DCS ?
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The Honeywell DCS (Distributed Control System) is a modular system consisting of controllers, I/O modules, and operator stations.
• Consists of controllers, I/O modules, and operator stations

• Uses a network to communicate between components

• Allows for centralized control and monitoring of processes

• Supports various communication protocols such as Modbus, OPC, etc.

• Example: Honeywell Experion PKS
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Q4. What is PID and How does it work ?
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PID stands for Proportional-Integral-Derivative, a control loop feedback mechanism used in engineering.
• PID is a control algorithm that calculates an error value as the difference between a desired setpoint and a measured process variable.

• Proportional (P) control responds to the current error value.

• Integral (I) control accumulates past errors to correct the present error.

• Derivative (D) control predicts future errors bas...read more
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Q5. How to assign new chennal in Honeywell DCS ?
Ans. 
To assign a new channel in Honeywell DCS, you need to access the configuration software and follow the steps to add the channel.
• Access the Honeywell DCS configuration software

• Navigate to the channel configuration section

• Add a new channel by specifying the channel number, type, and other relevant parameters

• Save the changes and verify the new channel is successfully assigned
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Q6. Tell the interlock and permissive of boiler and turbine?
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Interlocks and permissives are safety mechanisms in place to prevent unsafe operation of boiler and turbine systems.
• Interlocks prevent certain actions from taking place unless specific conditions are met

• Permissives allow certain actions to take place only if specific conditions are met

• Example of interlock: Boiler feed pump interlock prevents the boiler from starting unless the feed pump is running

• Example of permissive:...read more
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