TIL Assembly Interview Questions and Answers

Q1. Different types of Welding process
Ans. 
Different types of welding processes include MIG, TIG, stick, and flux-cored welding.
• MIG (Metal Inert Gas) welding uses a wire electrode and shielding gas to join metal pieces together.

• TIG (Tungsten Inert Gas) welding uses a non-consumable tungsten electrode and inert gas to create a strong weld.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a flux-coated electrode to create the weld.

• Flux-cored we...read more
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Q2. NDT types process, code
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Q3. Types of defects
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Types of defects include design defects, manufacturing defects, and marketing defects.
• Design defects are flaws in the product's design that make it unsafe or unusable.

• Manufacturing defects occur during the production process and result in a faulty product.

• Marketing defects involve improper labeling, instructions, or warnings about the product.

• Examples: A car with a faulty airbag system (manufacturing defect), a medicat...read more
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Q4. Isometric drawing of piping and Ga diagram of vessel
Ans. 
Isometric drawing of piping shows 3D layout of pipes while GA diagram of vessel shows general arrangement of vessel components.
• Isometric drawing of piping provides a 3D representation of how pipes are laid out in a system

• GA diagram of vessel gives a general overview of the arrangement of components within the vessel

• Both drawings are essential for understanding the layout and design of the piping system and vessel
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Q5. Experience in chemistry plant
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I have 5 years of experience working in a chemistry plant, overseeing production processes and ensuring quality control.
• Managed daily operations in a chemistry plant

• Implemented safety protocols and procedures

• Monitored production processes to ensure efficiency and quality

• Collaborated with cross-functional teams to troubleshoot issues and optimize processes
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Q6. Erection plant project
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Detailed information about your projects and curriculum.

Q1. What type of projects?
Ans. 
I have worked on a variety of projects including designing automotive components, HVAC systems, and industrial machinery.
• Designed automotive components such as suspension systems and engine parts

• Worked on HVAC system designs for commercial buildings

• Designed industrial machinery for manufacturing processes
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Q2. What type of tools do you know,?
Ans. 
I know various tools used in Mechanical Engineering design such as CAD software, simulation tools, and prototyping equipment.
• CAD software (e.g. AutoCAD, SolidWorks)

• Simulation tools (e.g. ANSYS, MATLAB)

• Prototyping equipment (e.g. 3D printers, CNC machines)
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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 ?
Ans. 
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?
Ans. 
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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Quantity aptitude, numerical methods

Q1. Why do you want to change the job?
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Q2. Where do you want to see yourself in next 5 years?
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Q1. About the company, about my work and about the machine I worked on. Also GD & T
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Q1. Salary deduction.
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Q1. Regarding plant safety
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Q2. Related worked job, process ,with other plant included
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Q3. Work process and produce production
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Should be 30 minutes

Releted job working experience

Q1. Control man power and cost control
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