CADFEM India Private Limited Applications Engineer Interview Questions and Answers

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. 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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Digital, RC RL circuits, Python, STA

Q1. MOSFET Working, Elmore delay model
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Q2. STA, Switched Capacitor
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Q1. General Questions
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Q2. Projects related qu
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Write code for micro service

Q1. Explain singleton
Ans. 
Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.

• Implementation can involve a private constructor, a static method to access the instance, and a ...read more
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Q1. Explain react dom in details
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React DOM is a package that provides methods for updating the DOM in response to React components.
• React DOM is used to render React components to the DOM.

• It provides methods like ReactDOM.render() to render components.

• React DOM efficiently updates the DOM when the state of a component changes.

• It handles events and updates the DOM accordingly.

• React DOM is separate from React itself, allowing for flexibility in rendering
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Q2. Explain MVC in rails
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MVC in Rails is a software design pattern that separates the application into three main components: Model, View, and Controller.
• Model: Represents the data and business logic of the application.

• View: Represents the user interface of the application.

• Controller: Acts as an intermediary between the Model and View, handling user input and updating the Model accordingly.

• Example: In a Rails application, a User model would ha...read more
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Q1. Questions related to 1. Teamcenter 2. modules of Teamcenter 3.current work profile and work process
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Q1. Details on automobile assembly plant
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