Topsoe Principal Engineer Interview Questions and Answers

Q1. What is unresolved reference?
Ans. 
Unresolved reference is an error in programming where a variable or function is used without being defined or declared.
• Occurs when a variable or function is used before it is declared or defined

• Can also happen when a variable or function is misspelled

• Common in programming languages like Python, Java, and C++
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Q2. What is the difference b/w clock & normal gating?
Ans. 
Clock gating is used to disable the clock signal to certain parts of a circuit to save power, while normal gating is used to control the flow of data within the circuit.
• Clock gating is used for power optimization by disabling the clock signal to unused parts of the circuit.

• Normal gating is used to control the flow of data within the circuit by enabling or disabling certain paths.

• Clock gating helps in reducing power con...read more
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Q3. Q1. library & netlist mismatch q2. size pmos will differ
Ans. 
This question is likely related to a discrepancy between a library and netlist causing a difference in the size of PMOS transistors.
• Mismatch between the library and netlist can lead to incorrect sizing of transistors

• Ensure consistency between the library files and netlist to avoid discrepancies

• Check for any errors or warnings related to library and netlist mismatch in the design tool logs

• Verify the sizing of PMOS trans
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Q1. What is the content of BOM
Ans. 
BOM stands for Bill of Materials, which is a comprehensive list of components, parts, and materials needed to manufacture a product.
• BOM includes detailed information about each component such as part number, description, quantity, and unit of measure.

• It helps in tracking and managing inventory, ordering materials, and estimating production costs.

• BOM can be hierarchical, with sub-assemblies listed under main components.

• ...read more
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Q2. How to draft through zuken
Ans. 
Drafting through Zuken involves using their software tools for creating and editing electronic designs.
• Use Zuken's software tools like CR-8000 or CADSTAR for drafting electronic designs

• Create schematics, layout designs, and PCB designs using Zuken's software

• Utilize features like auto-routing, design rule checks, and 3D visualization for efficient drafting

• Collaborate with team members by sharing and reviewing designs wi
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Q1. Language specific questions
Ans. Basic and advanced C++ along with some tricky programs tow write
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It was to document the vision statement aligned to the purpose.

It is to find the actionable and measurability .

Q1. No Technical job, so high level questions
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Q2. Why are you choose LTTS
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Q3. When are you able to join
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Q1. Technical aptitude
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Q2. Stress Interview
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Q1. Describe your experience
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Q2. What are the projects you worked?
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Q3. Explain the process of turbine startup
Ans. 
Turbine startup involves several steps to safely bring the turbine to operating speed.
• Perform pre-start checks to ensure all systems are ready

• Open steam inlet valves to allow steam to flow into the turbine

• Gradually increase steam flow to bring the turbine up to speed

• Monitor temperature and pressure levels throughout the startup process

• Verify all systems are functioning properly before reaching full operating speed
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Q1. Are you sure you can handle this responsibility
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Q2. What is your salary expectations
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Q1. What is your salary expectations
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Q2. How soon can you join?
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