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posted on 15 Dec 2015
Explanation of velocity and shear stress profiles for circular pipe and Couette flow with boundary conditions.
Velocity profile for circular pipe is parabolic, while for Couette flow it is linear.
Shear stress profile for circular pipe is also parabolic, while for Couette flow it is constant.
Boundary conditions for circular pipe include no slip at the wall and constant pressure at the ends.
Boundary conditions for Couette...
The energy equation is a mathematical representation of the conservation of energy principle in various forms.
The energy equation states that the total energy of a system remains constant.
It includes terms such as kinetic energy, potential energy, internal energy, and work done.
Kinetic energy is the energy possessed by an object due to its motion.
Potential energy is the energy stored in an object due to its position or...
Temperature profile over a flat plate becomes parabolic due to the energy equation.
The energy equation describes the conservation of energy in a fluid flow.
For a flat plate, the energy equation simplifies to the heat conduction equation.
The heat conduction equation is a second-order partial differential equation.
The solution to the heat conduction equation for a flat plate yields a parabolic temperature profile.
This pa...
Explanation of engineering and true stress strain graphs and their different regions.
Engineering stress-strain graph shows the relationship between stress and strain during deformation of a material.
True stress-strain graph takes into account the reduction in cross-sectional area of the specimen during deformation.
The different regions in the graph are elastic region, yield point, plastic region, necking and fracture.
E...
Compression problem
Compression is the process of reducing the size of data to save storage space or transmission time.
Common compression algorithms include ZIP, GZIP, and DEFLATE.
Lossless compression retains all the original data, while lossy compression sacrifices some data to achieve higher compression ratios.
Compression can be applied to various types of data, such as text, images, audio, and video.
Compression techn...
During my final year project, I had to work with a programming language that I was not familiar with.
I had to spend extra time learning the language and its syntax
I had to seek help from my peers and online resources
I had to constantly test and debug my code to ensure it was working correctly
I had to adapt to a different coding style and approach
Despite the challenges, I was able to successfully complete the project an
posted on 20 Jun 2024
Technical, Verbal, Numerical
On spot topic or technical topic
Thermodynamic systems are physical systems that exchange energy with their surroundings.
A thermodynamic system can be open, closed, or isolated.
Examples of thermodynamic systems include a gas in a container, a steam engine, and a refrigerator.
Thermodynamic systems can exchange energy in the form of heat and work.
Rankine cycle is a thermodynamic cycle used in steam power plants to generate electricity.
Rankine cycle is a thermodynamic cycle that converts heat into work using steam as the working fluid.
Reheat Rankine cycle involves reheating the steam in between stages to increase efficiency.
Regenerative Rankine cycle involves extracting steam from the turbine at various stages to preheat the feedwater.
P-V diagram for Rankine cyc...
Angle of projection is the angle at which an object is launched into the air.
Angle of projection affects the range and height of the projectile.
It is measured from the horizontal axis.
The optimal angle of projection for maximum range is 45 degrees.
The formula to calculate the range is R = (v^2 * sin(2θ)) / g, where v is the initial velocity, θ is the angle of projection, and g is the acceleration due to gravity.
The for...
posted on 11 Sep 2024
I applied via Campus Placement
It was a easy GD round
I applied via Walk-in and was interviewed in Aug 2024. There was 1 interview round.
Triggers in SQL are special stored procedures that are automatically executed when certain events occur in a database.
Triggers can be used to enforce business rules, maintain referential integrity, and audit changes to data.
Examples of triggers include BEFORE INSERT, AFTER UPDATE, and INSTEAD OF DELETE.
Triggers can be defined at the table level and can be set to execute before or after an event.
I was interviewed in Jun 2024.
I am a passionate and dedicated software engineer with experience in web development and problem-solving skills.
Experienced in HTML, CSS, JavaScript, and various web development frameworks
Strong problem-solving and analytical skills
Excellent communication and teamwork abilities
Completed multiple projects including a responsive website for a local business
My project is a mobile application that helps users track their daily water intake and reminds them to stay hydrated.
Allows users to set daily water intake goals
Sends notifications to remind users to drink water throughout the day
Tracks water consumption history for users to review
Provides visual representation of daily water intake progress
posted on 11 Mar 2023
I applied via Campus Placement and was interviewed in Feb 2023. There were 3 interview rounds.
I have worked on various projects during my engineering studies, including a solar-powered car prototype and a smart home automation system.
Solar-powered car prototype: Designed and built a small-scale model of a car that runs on solar energy. Conducted experiments to optimize the efficiency of the solar panels and battery storage.
Smart home automation system: Developed a system using Arduino and sensors to automate va...
Yes, I have worked with databases.
I have experience working with SQL and NoSQL databases.
I have worked with MySQL, MongoDB, and Oracle databases.
I have experience in creating and managing databases, writing queries, and optimizing performance.
I have also worked with data migration and integration between different databases.
How to select top 10 records (using SQL) from a table?
Use SELECT statement with ORDER BY clause
Add DESC keyword to sort in descending order
Use LIMIT or FETCH FIRST clause to limit the number of records
Yes, Java supports multiple inheritance through interfaces.
Java does not support multiple inheritance through classes
Interfaces can be used to achieve multiple inheritance
A class can implement multiple interfaces
Example: class A implements Interface1, Interface2
Yes, I have plans for higher studies.
I am interested in pursuing a Master's degree in Mechanical Engineering.
I have already started researching potential universities and programs.
I plan to specialize in the field of renewable energy.
Higher studies will provide me with advanced knowledge and skills to excel in my career.
I believe that continuous learning is essential for professional growth.
I want to join your company because of its strong reputation in the industry and the opportunities for growth and development it offers.
Strong reputation in the industry
Opportunities for growth and development
Alignment with company values and culture
posted on 16 Sep 2023
I applied via campus placement at Sri Jayachamarajendran College of Engineering (SJCE) and was interviewed in Mar 2023. There were 2 interview rounds.
posted on 25 Oct 2023
I applied via AmbitionBox and was interviewed in Sep 2023. There were 3 interview rounds.
Discussed about which technology were developed more 2024
Some of the top questions asked at the John Deere Post Graduate Engineer Trainee [pget] interview -
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