20+ Engineering Student Interview Questions and Answers

Main unit processes in water treatment include coagulation, flocculation, sedimentation, filtration, and disinfection.

• Coagulation: Chemicals are added to water to destabilize particles and allow them to clump together.

• Flocculation: Gentle mixing to encourage the particles to form larger flocs.

• Sedimentation: Flocs settle to the bottom of a tank due to gravity.

• Filtration: Water passes through filters to remove remaining particles.

• Disinfection: Chemicals like chlorine or UV ligh...read more

The strain in x direction cannot be determined without additional information.

• The 3D stress block only provides information about the stress components in the x, y, and z directions.

• To determine the strain in a specific direction, additional information such as the material's elastic modulus and Poisson's ratio is needed.

• The strain can be calculated using the formula: strain = stress / (elastic modulus * (1 + Poisson's ratio))

Throat thickness of steel members as per IS Code varies based on the size of the member.

• Throat thickness is the minimum thickness of the weld at the root of the joint.

• As per IS 800:2007, the throat thickness of fillet welds should be at least 0.7 times the size of the smaller member being joined.

• For example, if the size of the smaller member is 10 mm, the throat thickness of the fillet weld should be at least 7 mm.

• For butt welds, the throat thickness should be equal to the th...read more

A grading plan typically includes information on grading criteria, weightage of each criteria, and overall grading scale.

• Grading criteria such as exams, assignments, participation, etc.

• Weightage of each criteria in determining final grade

• Overall grading scale (e.g. A, B, C, D, F)

• Possibly a breakdown of how grades are calculated (e.g. total points, percentage)

Develop a machine learning model to classify handwritten digits in a given dataset.

• Preprocess the dataset by resizing images, normalizing pixel values, and splitting into training and testing sets.

• Choose a suitable classification algorithm such as Support Vector Machine (SVM) or Convolutional Neural Network (CNN).

• Train the model on the training set and evaluate its performance using the testing set.

• Tune hyperparameters to improve model accuracy and generalization.

• Use techniqu...read more

I am open to relocation for the right opportunity.

• I am willing to move for a job that aligns with my career goals.

• I am excited about the prospect of exploring a new city or region.

• I am flexible and adaptable to new environments.

• I am willing to consider relocation assistance or incentives.

• I am open to discussing relocation during the interview process.

The automobile body is the outer shell of a vehicle that encloses the mechanical components and provides protection to passengers.

• The automobile body is typically made of metal, plastic, or composite materials.

• It includes components such as doors, windows, roof, hood, and trunk.

• The body design can vary based on the type of vehicle, such as sedan, SUV, truck, or sports car.

• The body plays a crucial role in providing structural integrity and safety to the vehicle and its occupan...read more

Transmitters are devices that generate and send out signals, used in various applications such as communication, remote control, and monitoring.

• Transmitters convert electrical signals into electromagnetic waves for communication purposes.

• They are used in radio and television broadcasting, wireless communication, and remote control systems.

• Transmitters can also be used in monitoring systems for measuring parameters like temperature, pressure, and flow.

• Examples include radio tr...read more

PLC stands for Programmable Logic Controller, it is a digital computer used for automation of electromechanical processes.

• PLC is used to control machinery in industries by programming it to perform specific tasks.

• It consists of input and output modules, a central processing unit, and a programming device.

• PLCs are commonly used in manufacturing plants, water treatment facilities, and power generation systems.

• They can be programmed using ladder logic, function block diagrams, o...read more

Voltage is the potential difference between two points in a circuit, while emf is the electromotive force that drives current in a circuit.

• Voltage is measured in volts (V)

• Emf is the energy per unit charge supplied by a source, measured in volts (V)

• Voltage is the difference in electric potential between two points in a circuit

• Emf is the voltage generated by a source such as a battery or generator

• Voltage is necessary for current to flow in a circuit

Verbal reasoning is the ability to understand and logically evaluate written information.

• Verbal reasoning involves comprehending and analyzing written passages

• It requires critical thinking skills to draw conclusions and make inferences

• Verbal reasoning is often tested in exams like GRE, SAT, and LSAT

TCP is needed in networks for reliable communication and error detection.

• TCP ensures reliable delivery of data by establishing a connection between sender and receiver

• It provides error detection and correction through sequence numbers and acknowledgements

• TCP also handles flow control to prevent overwhelming the receiver with data

• Examples of TCP-based applications include web browsing, email, and file transfer

Polymorphism is the ability of a single function or method to operate on different types of data.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: Function overloading in C++ is a form of compile-time polymorphism.

Machine elements are components or parts of a machine that perform specific functions.

• Fasteners (bolts, screws, nuts)

• Bearings (ball bearings, roller bearings)

• Gears (spur gears, helical gears)

• Shafts (drive shafts, crankshafts)

• Springs (compression springs, tension springs)

• Couplings (flexible couplings, rigid couplings)

A jet engine is a type of propulsion system that generates thrust by expelling hot gases at high speeds.

• Uses the principle of Newton's third law of motion

• Consists of components like compressor, combustion chamber, turbine, and nozzle

• Examples include turbojet, turbofan, and turboprop engines

Python is a versatile language used for web development, data analysis, artificial intelligence, and more.

• Python is easy to learn and has a simple syntax

• It has a large community and a vast library of modules

• Python is used for web development (Django, Flask), data analysis (Pandas, NumPy), artificial intelligence (TensorFlow, Keras), and more

• Python is an interpreted language, making it easy to test and debug code

Plumbing is the system of pipes, drains, fittings, valves, and fixtures installed for the distribution of water for heating, washing, and sanitation in a building.

• Plumbing involves the installation and maintenance of water supply systems, drainage systems, and sewage systems in buildings.

• It includes pipes, fittings, valves, faucets, toilets, sinks, showers, and other fixtures used for water distribution and waste removal.

• Plumbers use tools such as wrenches, pipe cutters, and ...read more

The question is unclear and incomplete, as it is missing context or details.

• Ask for clarification on what is being asked about integers

• Request more information on the specific topic or problem related to integers

• Provide examples of different types of integers to better understand the question

Real numbers are numbers that can be found on the number line, including integers, fractions, and irrational numbers.

• Real numbers can be positive, negative, or zero.

• They include integers like -3, fractions like 1/2, and irrational numbers like √2.

• Real numbers can be represented on a number line.

• They can be used in mathematical operations like addition, subtraction, multiplication, and division.

The median of running streams is the middle value when all values are arranged in ascending order.

• To find the median of running streams, first arrange all the values in ascending order.

• If the number of values is odd, the median is the middle value.

• If the number of values is even, the median is the average of the two middle values.

• For example, if the running stream values are 5, 8, 12, 15, 20, the median is 12.

• If the running stream values are 4, 7, 10, 15, the median is (7+10)...read more

Different types of cycles include Carnot cycle, Rankine cycle, Otto cycle, and Brayton cycle.

• Carnot cycle: theoretical thermodynamic cycle involving reversible processes

• Rankine cycle: used in steam power plants to generate electricity

• Otto cycle: used in spark-ignition engines like gasoline engines

• Brayton cycle: used in gas turbine engines for power generation or propulsion

Different types of engines include internal combustion engines, steam engines, and electric motors.

• Internal combustion engines: Powered by the combustion of fuel inside the engine, such as gasoline or diesel engines.

• Steam engines: Operate by using steam to produce mechanical work, commonly found in old locomotives and industrial settings.

• Electric motors: Convert electrical energy into mechanical energy, commonly used in electric vehicles and appliances.

To find the number of islands, we can use depth-first search (DFS) or breadth-first search (BFS) algorithms.

• Use DFS or BFS to traverse the grid and mark visited islands

• Count the number of times DFS or BFS is called to find the number of islands

• Consider diagonal connections if applicable

• Example: [['1', '1', '0', '0', '0'], ['1', '1', '0', '0', '0'], ['0', '0', '1', '0', '0'], ['0', '0', '0', '1', '1']]

A pH meter is a device used to measure the acidity or alkalinity of a solution.

• A pH meter consists of a pH electrode, a reference electrode, and a meter.

• The pH electrode measures the potential difference between the solution and a reference electrode.

• The meter displays the pH value based on the potential difference.

• pH meters are commonly used in laboratories, agriculture, water treatment, and food processing.

• For example, in a laboratory, a pH meter is used to measure the pH o...read more

The goal is to achieve a desired outcome or result through a series of planned actions or strategies.

• Setting clear objectives and milestones to track progress

• Developing a detailed plan with specific tasks and deadlines

• Regularly evaluating and adjusting strategies based on feedback and results