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I applied via campus placement at College of Engineering, Anna University, Guindy and was interviewed in Oct 2023. There were 3 interview rounds.
Basic mechanical and production question with math and reasoning 100 questions in 90 mins
Student where divided into multiple group with each group have 10 members depending on the couse specialization
Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through controlled heating and cooling.
Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.
The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and oth...
To increase corrosion resistance in steel, various methods such as coating, alloying, and controlling environmental factors can be employed.
Applying protective coatings such as zinc, paint, or polymer can help prevent corrosion
Alloying steel with elements like chromium, nickel, or copper can improve corrosion resistance
Controlling environmental factors such as humidity, temperature, and pH levels can also reduce corros
The formula for leaf spring is based on the material properties and geometry, while the formula for cylindrical spring is based on Hooke's Law.
Leaf spring formula involves parameters like material modulus of elasticity, width, thickness, and length.
Cylindrical spring formula is based on Hooke's Law: F = kx, where F is the force, k is the spring constant, and x is the displacement.
The Otto cycle is a theoretical thermodynamic cycle that describes the functioning of a typical spark ignition piston engine.
Consists of four processes: isentropic compression, constant volume heat addition, isentropic expansion, and constant volume heat rejection
Used in gasoline engines to convert chemical energy into mechanical work
Higher efficiency compared to Diesel cycle due to higher compression ratio
Named after ...
Work study is a systematic examination of the methods of carrying out activities in order to improve efficiency and productivity.
Work study involves analyzing work methods, processes, and procedures to identify areas for improvement.
It aims to eliminate unnecessary tasks, reduce waste, and optimize resources.
Common techniques used in work study include time and motion studies, process charts, and work sampling.
The ulti...
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posted on 16 Dec 2024
I applied via campus placement at Manipal University and was interviewed in Nov 2024. There were 2 interview rounds.
It was a 60 mins online test
FEM stands for Finite Element Method, a numerical technique used to solve complex engineering problems by dividing them into smaller elements.
FEM is a numerical technique used to analyze structures and systems by dividing them into smaller elements and solving equations for each element.
It is commonly used in structural analysis, heat transfer, fluid dynamics, and other engineering fields.
FEM helps in predicting how a ...
Mechanical machines are devices that use mechanical power to perform work, such as moving, lifting, cutting, or shaping materials.
Mechanical machines convert mechanical energy into useful work
They consist of moving parts like gears, levers, pulleys, and belts
Examples include engines, pumps, conveyor belts, and cranes
Apart from technical skills, I possess strong communication, problem-solving, and teamwork skills.
Excellent communication skills - able to effectively convey ideas and information to others
Strong problem-solving skills - able to analyze situations and come up with creative solutions
Teamwork skills - able to collaborate with others to achieve common goals
Time management skills - able to prioritize tasks and meet deadlin...
posted on 25 May 2024
I applied via Campus Placement and was interviewed in Apr 2024. There were 3 interview rounds.
Prepare Simple interest, relations, time and distance and time questions
posted on 30 Sep 2023
General aptitude test
posted on 10 Jun 2023
I applied via Referral and was interviewed in May 2023. There was 1 interview round.
posted on 27 Nov 2024
I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.
A turbine works by converting the kinetic energy of a fluid or gas into mechanical energy to generate power.
Turbines have blades that are rotated by the fluid or gas passing through them
The rotating blades are connected to a shaft which drives a generator to produce electricity
There are different types of turbines such as steam turbines, gas turbines, and wind turbines
Stress-strain graph for ductile materials shows a linear elastic region followed by plastic deformation until fracture.
Elastic region: linear relationship between stress and strain
Yield point: point where plastic deformation begins
Plastic deformation: material undergoes permanent deformation without increase in stress
Necking: reduction in cross-sectional area before fracture
Fracture: final failure of the material
Exampl
I applied via Campus Placement
Was easy though , simple and general topics
General coding basics questions such as palindrome,binary search
posted on 19 May 2023
I applied via Walk-in and was interviewed in Nov 2022. There were 3 interview rounds.
My favorite chemical engineering subject is process design.
I enjoy the challenge of designing efficient and cost-effective processes.
I find it fascinating to optimize the use of resources and minimize waste.
Examples of process design projects I have worked on include designing a distillation column for separating azeotropic mixtures and optimizing a chemical reaction for maximum yield.
Distillation is a process of separating components of a mixture based on their boiling points.
It involves heating the mixture to vaporize the component with the lowest boiling point.
The vapor is then condensed and collected as a separate liquid.
Types of distillation include simple distillation, fractional distillation, and steam distillation.
Simple distillation is used for separating liquids with a large difference in ...
Scale-up refers to the process of increasing the production capacity of a product or service.
Scale-up involves expanding the production capacity of a product or service to meet increasing demand.
It can involve changes to manufacturing processes, equipment, and facilities.
Examples of scale-up include increasing the number of employees, adding new production lines, and expanding into new markets.
Scale-up is often a criti...
To calculate no of trays in distillation column, use McCabe-Thiele method or Fenske equation.
Determine the desired purity of the distillate
Calculate the number of theoretical trays using McCabe-Thiele method or Fenske equation
Account for efficiency and other factors to determine actual number of trays needed
Affinity law relates to the relationship between flow rate, pressure, and speed of a pump.
Affinity law states that the flow rate of a pump is directly proportional to its speed.
It also states that the pressure generated by a pump is proportional to the square of its speed.
Affinity law is used to predict the performance of a pump at different speeds.
For example, if a pump is running at 50% of its maximum speed, the flow...
To increase flow rate in a centrifugal pump, increase impeller speed, reduce discharge head, or increase impeller diameter.
Increase impeller speed by adjusting motor speed or using a larger motor
Reduce discharge head by opening valves or reducing pipe friction
Increase impeller diameter by replacing impeller or using a pump with a larger impeller
Ensure pump is properly primed and not clogged
Consider the limitations of t
A vacuum pump is operated by creating a vacuum in a closed system to remove air or gas molecules.
The pump creates a low-pressure area in the system, causing air or gas to be drawn in and removed.
There are different types of vacuum pumps, including rotary vane pumps, diaphragm pumps, and scroll pumps.
The pump may be powered by electricity, compressed air, or a hand crank.
Vacuum pumps are used in a variety of industries,...
I am a motivated and enthusiastic individual with a passion for learning and personal development.
I have recently graduated with a degree in Computer Science and have completed several internships in the field.
I am a quick learner and enjoy taking on new challenges.
In my free time, I enjoy reading and practicing yoga to maintain a healthy work-life balance.
I applied via campus placement at Veer Bahadur Singh Purvanchal University (VBSPU) and was interviewed in Aug 2022. There were 2 interview rounds.
posted on 17 Feb 2022
I applied via Walk-in and was interviewed in Aug 2021. There were 3 interview rounds.
Refrigerators work by removing heat from the interior and expelling it to the exterior.
Refrigerators use a refrigerant to absorb heat from the interior and release it outside
The refrigerant is compressed to increase its temperature and then allowed to expand, which cools it down
The cooled refrigerant absorbs heat from the interior of the refrigerator, lowering its temperature
The heat absorbed by the refrigerant is then...
Parts of centrifugal pump
Impeller
Casing
Shaft
Bearings
Seals
Suction pipe
Discharge pipe
Air conditioner working depends on various factors such as power supply, thermostat settings, and proper maintenance.
The air conditioner needs a power supply to function properly.
The thermostat settings should be adjusted according to the desired temperature.
Regular maintenance such as cleaning the filters and coils is necessary for optimal performance.
If the air conditioner is not cooling properly, it could be due to ...
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