Ansys Software Private Limited Interview Questions, Process, and Tips

Q1. Proof of Regions of operations of Mosfets in CMOS inverter.
Ans. 
The regions of operation of MOSFETs in a CMOS inverter are cutoff, triode, and saturation.
• MOSFET operates in cutoff region when Vgs < Vth

• MOSFET operates in triode region when Vgs > Vth and Vds < Vgs - Vth

• MOSFET operates in saturation region when Vgs > Vth and Vds > Vgs - Vth

• CMOS inverter uses both NMOS and PMOS transistors to achieve high noise immunity and low power consumption
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Q1. Explain the power leakage and dynamic power in CMOS circuits.
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Power leakage is the power dissipated in CMOS circuits when transistors are in off state, while dynamic power is the power dissipated during switching.
• Power leakage occurs due to subthreshold leakage currents in transistors when they are in off state

• Dynamic power is the power dissipated during charging and discharging of capacitive loads in CMOS circuits

• Power leakage increases with decreasing transistor size, while dyn...read more
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Q1. Tell me about your family background
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I come from a close-knit family with a diverse background, including engineers, teachers, and entrepreneurs.
• My father is an electrical engineer and my mother is a high school teacher.

• I have a younger sister who is studying business in college.

• My grandparents were entrepreneurs and owned a small business in our hometown.

• Family gatherings are always filled with lively discussions about technology, education, and business
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Q1. Mostly heat tranger based, conduction, convection.
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Q2. Coding based question on python list and slicing operation.
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Q1. Cfd based question.
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Q2. Python coding based questions.
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Q1. Related to project
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Q2. Explain the project
Ans. 
The project is a software application designed to provide technical support to customers experiencing issues with a product or service.
• Developed a user-friendly interface for customers to submit support tickets

• Implemented a ticketing system to track and prioritize customer issues

• Integrated knowledge base articles to provide self-help resources for common problems
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Q1. Related to project
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Q2. Explain the project
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The project is a software application designed to streamline technical support processes and improve customer satisfaction.
• Developed a user-friendly interface for customers to submit support tickets

• Implemented a ticketing system to track and prioritize support requests

• Integrated knowledge base for quick access to troubleshooting guides

• Utilized automation tools to expedite resolution times

• Conducted regular analysis of s
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Q1. About education
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Q2. Explain them about my education
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Q1. About previous experience
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Q2. Relevant skills and projects
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Digital electronics, circuits , verilog , asic design flow

Q1. Explain the complete asic design flow process
Ans. 
ASIC design flow process involves steps like specification, design, verification, synthesis, and testing.
• Specification: Define requirements and constraints for the ASIC design.

• Design: Create a high-level design based on the specifications.

• Verification: Verify the design using simulations and tests.

• Synthesis: Convert the design into a netlist of gates and connections.

• Testing: Test the fabricated ASIC to ensure functiona...read more
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Q2. Power reduction techniques in CMOS
Ans. 
Power reduction techniques in CMOS involve various methods to minimize power consumption in CMOS circuits.
• Use of power gating to selectively turn off power to unused circuit blocks

• Implementing clock gating to disable clock signals to unused circuitry

• Utilizing voltage scaling to reduce power consumption at lower voltages

• Applying dynamic voltage and frequency scaling to adjust voltage and frequency based on workload

• Using...read more
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It written test. Do all the logical questions. Along with that prepared for machine drawing

Q1. Difference between biot number and nusselt number
Ans. 
Biot number represents the ratio of internal resistance to external resistance in heat transfer, while Nusselt number represents the ratio of convective to conductive heat transfer.
• Biot number is used to determine the relative importance of internal resistance to heat transfer compared to external resistance.

• Nusselt number is used to determine the relative importance of convective heat transfer compared to conductive h...read more
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