Design Point Civil Engineer Interview Questions and Answers

Q1. 1. Explain the architecture of a model that you built in your previous job.
Ans. 
The model architecture I built in my previous job was a deep learning neural network with multiple layers and activation functions.
• Used a combination of convolutional and recurrent layers for image and text data processing

• Incorporated dropout layers to prevent overfitting

• Utilized batch normalization for faster convergence

• Implemented various activation functions such as ReLU and sigmoid

• Included a softmax layer for multi
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Q2. Just went through the details of the project that I worked on before.
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Q3. SQL related questions.
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Q1. Connector development process
Ans. 
The connector development process involves designing, testing, and implementing connectors for various systems.
• Research and identify the requirements for the connector

• Design the connector architecture and interface

• Develop the connector code using appropriate programming languages

• Test the connector for functionality and compatibility with different systems

• Implement the connector in the target system

• Document the connecto
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Q2. General Questions about gd&t
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Q1. Reason for change
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Q2. What is your weakness
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Q1. They showed car diagram with acceleration in all three directions and asked me to define them and their affects on vehicle
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Q2. How do to calculate slip ratio
Ans. 
Slip ratio is calculated by dividing the difference between the actual speed of a wheel and the speed of the vehicle by the speed of the vehicle.
• Calculate the actual speed of the wheel by multiplying the wheel radius with the angular velocity of the wheel.

• Calculate the speed of the vehicle using GPS or speedometer readings.

• Subtract the actual speed of the wheel from the speed of the vehicle.

• Divide the difference by the
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Q3. What is ABS and VDC
Ans. 
ABS stands for Anti-lock Braking System and VDC stands for Vehicle Dynamic Control.
• ABS helps prevent wheels from locking up during braking, allowing the driver to maintain steering control.

• VDC helps prevent skidding and loss of control by adjusting engine power and applying brakes to individual wheels.

• Both ABS and VDC are safety features commonly found in modern vehicles.

• ABS and VDC work together to enhance vehicle sta...read more
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Q4. What is Fibonacci series and write the code
Ans. 
Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with 0 and 1 as the first two numbers in the series

• Each subsequent number is the sum of the two preceding numbers

• Example: 0, 1, 1, 2, 3, 5, 8, 13, 21, ...
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Q5. Develope simulink model to create filtered signal in 3 different ways
Ans. 
Develop a Simulink model to create filtered signal in 3 different ways
• Use different types of filters such as low-pass, high-pass, and band-pass filters

• Implement filters using different techniques like FIR and IIR filters

• Explore different filter design methods like Butterworth, Chebyshev, and Elliptic filters
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Q1. Gray/black/white box modeling
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Q2. Different solvers in simulink
Ans. 
Simulink offers various solvers to simulate different types of systems.
• Simulink provides solvers like ode45, ode23, ode15s, and ode113 for solving ordinary differential equations.

• Fixed-step solvers like Euler, Runge-Kutta, and Backward Euler are available for discrete systems.

• Variable-step solvers adjust step size based on system dynamics for efficient simulation.

• Choose the appropriate solver based on system characteri...read more
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Q3. Different numerical methods
Ans. 
Numerical methods are techniques used to approximate solutions to mathematical problems that are difficult or impossible to solve analytically.
• Numerical integration methods like Simpson's rule and trapezoidal rule are used to approximate definite integrals.

• Root-finding methods like Newton's method and bisection method are used to find roots of equations.

• Finite difference methods are used to solve differential equations...read more
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Q4. Rate transition blocks in simulink
Ans. 
Rate transition blocks in Simulink are used to control the data rate between different parts of a model.
• Rate transition blocks are used to handle data rate changes in Simulink models.

• They are essential for ensuring data consistency and avoiding simulation errors.

• Examples of rate transition blocks include Rate Transition, Rate Transition Inport, and Rate Transition Outport.
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Q5. Algebraic loops
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Q6. Difference between bus and mix block
Ans. 
Bus is a communication block used to transfer data between components, while mix block is a processing block used to perform operations on data.
• Bus is used for data transfer between components in a system

• Mix block is used for processing data within a system

• Bus is like a highway for data transfer, while mix block is like a junction where data is processed
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Q1. Why do you want to switch domain (previously I was into aerospace)
Ans. 
I am seeking new challenges and opportunities for growth in a different industry.
• Seeking new challenges and opportunities for growth

• Interested in exploring different industries and expanding my skill set

• Excited about applying my expertise in a new domain

• Looking to broaden my professional experience
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Q2. What's the motivation to enter automotive sector and how will you cope up with the changes
Ans. 
I have always been passionate about cars and technology, and I see the automotive sector as a perfect blend of both. I am excited about the constant innovation and challenges it offers.
• Passion for cars and technology

• Excitement for innovation and challenges in automotive sector

• Adaptability to cope with changes in the industry
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