40+ Vision Vidhyapeeth Interview Questions and Answers

The basic hydraulic system consists of various valves and pumps that work together to control fluid flow and pressure.

• Valves in a hydraulic system control the direction, flow rate, and pressure of the fluid.

• Examples of valves include check valves, relief valves, and control valves.

• Pumps in a hydraulic system generate the flow and pressure of the fluid.

• Examples of pumps include gear pumps, vane pumps, and piston pumps.

• Hydraulic schematics are diagrams that illustrate the layou...read more

A heat exchanger is a device that transfers heat between two or more fluids of different temperatures.

• Used in various industries such as HVAC, chemical, and power generation

• Can be used for heating or cooling processes

• Examples include shell and tube, plate and frame, and finned tube heat exchangers

Compressor losses include friction, leakage, and heat. Efficiency can be improved by reducing these losses.

• Frictional losses occur due to rubbing of moving parts, use of lubricants can reduce this loss.

• Leakage losses occur due to gaps between the piston and cylinder, proper sealing can reduce this loss.

• Heat losses occur due to compression of air, intercooling can reduce this loss.

• Efficiency can also be improved by using variable speed drives and optimizing the compressor size...read more

Materials for heat exchangers are selected based on their thermal conductivity, corrosion resistance, and cost.

• Thermal conductivity is important for efficient heat transfer.

• Corrosion resistance is necessary to prevent damage to the heat exchanger.

• Cost is a factor in selecting materials.

• Common materials include copper, aluminum, stainless steel, and titanium.

• Materials may also be coated or treated to improve their properties.

There are two types of compressors: positive displacement and dynamic. Positive displacement compressors are used for low flow rates and high pressures, while dynamic compressors are used for high flow rates and low pressures.

• Positive displacement compressors: reciprocating, rotary screw, rotary vane. Example: air compressors for pneumatic tools.

• Dynamic compressors: centrifugal, axial flow. Example: gas turbines for power generation.

Bernoulli's equation is a fundamental principle in fluid dynamics that relates pressure, velocity, and elevation.

• Assumptions: incompressible, inviscid, steady flow, no heat transfer

• Applications: aircraft wings, fluid flow in pipes, blood flow in arteries

• Bernoulli's equation: P + 1/2pv^2 + pgh = constant

• P = pressure, v = velocity, p = density, g = acceleration due to gravity, h = height

Atlas Copco GECIA is a leading provider of industrial equipment and services.

• Atlas Copco GECIA has a strong reputation for quality and reliability in the industry.

• They offer a wide range of products and services to meet the needs of their customers.

• Their focus on innovation and sustainability sets them apart from their competitors.

• They have a global presence and are committed to providing excellent customer service.

• Examples of their products include compressors, generators, a...read more

Synchronous speed of a motor is the speed at which the rotating magnetic field produced by the stator rotates.

• It is determined by the number of poles and frequency of the power supply.

• It is the speed at which the motor would run if there was no load or slip.

• It is expressed in revolutions per minute (RPM).

A spring fails under stress beyond its elastic limit.

• A spring fails when it is subjected to stress beyond its elastic limit.

• The elastic limit is the maximum stress a spring can withstand without permanent deformation.

• Factors affecting the failure of a spring include material properties, design, and operating conditions.

• Examples of spring failure include fracture, fatigue, and creep.

• Fracture occurs when the spring is subjected to stress beyond its ultimate strength.

• Fatigue fai...read more

Marketing a product technically involves identifying the target audience, creating a strong value proposition, and utilizing various digital channels.

• Identify the target audience and their pain points

• Create a strong value proposition that addresses the pain points

• Utilize various digital channels such as social media, email marketing, and search engine optimization

• Leverage data analytics to measure the effectiveness of marketing strategies

Sub-type or specific failure stress for springs can include yield stress, ultimate tensile stress, fatigue stress, etc.

• Different types of springs may have different failure stresses

• Yield stress is the point at which a material begins to deform plastically

• Ultimate tensile stress is the maximum stress a material can withstand before failure

• Fatigue stress is the stress level at which a material fails after repeated loading cycles

The German electronic car industry is a leading force in the global market, known for innovation and quality.

• Germany is home to major players like Volkswagen, BMW, and Mercedes-Benz who are investing heavily in electric vehicles.

• The industry is focused on sustainability and reducing carbon emissions, with a strong emphasis on research and development.

• German electric cars are known for their advanced technology, performance, and luxurious design.

• The government offers incentive...read more

Types of stresses include tensile, compressive, shear, bending, and torsional.

• Tensile stress: pulling force that stretches material apart (e.g. stretching a rubber band)

• Compressive stress: pushing force that squeezes material together (e.g. pressing on a spring)

• Shear stress: force that causes layers of material to slide past each other (e.g. cutting paper with scissors)

• Bending stress: combination of tensile and compressive stresses on opposite sides of a material (e.g. bendin...read more

I am able to handle quick decisive situations with ease.

• I have experience in making quick decisions in high-pressure situations.

• I am able to analyze information quickly and accurately.

• I am able to prioritize tasks effectively to ensure timely resolution.

• I am able to remain calm and composed in stressful situations.

• I am able to communicate effectively with team members and stakeholders to ensure a swift resolution.

• For example, in my previous role, I had to make a quick decisio...read more

SSIS and SSRS configuration using Azure SQL MI involves setting up connections, permissions, and configurations in Azure portal.

• Configure SSIS to connect to Azure SQL MI by setting up a data source in the SSIS package.

• Configure SSRS to connect to Azure SQL MI by setting up a data source in the SSRS report.

• Ensure proper permissions are set in Azure portal for SSIS and SSRS to access Azure SQL MI.

• Test the connections to ensure data can be retrieved and reports can be generated ...read more

Categories of strength in machine design include static strength, fatigue strength, impact strength, and toughness.

• Static strength: Ability to withstand a constant load without breaking.

• Fatigue strength: Ability to withstand repeated loading over time.

• Impact strength: Ability to withstand sudden shocks or impacts.

• Toughness: Ability to absorb energy and deform without fracturing.

Stress is internal resistance to deformation, while pressure is force applied over an area.

• Stress is a measure of the internal resistance of a material to deformation under an applied force.

• Pressure is the force applied perpendicular to the surface of an object per unit area.

• Stress is a tensor quantity, while pressure is a scalar quantity.

• Examples: A rubber band under tension experiences stress, while a balloon filled with air exerts pressure on its walls.

Synchronous speed is the speed at which the magnetic field rotates in a synchronous motor.

• Synchronous speed is determined by the frequency of the power supply and the number of poles in the motor.

• Formula for synchronous speed: Ns = 120f / P, where Ns is synchronous speed in RPM, f is frequency in Hz, and P is number of poles.

• For example, a 4-pole motor connected to a 60 Hz power supply would have a synchronous speed of 1800 RPM.

To troubleshoot overheating issue, check for dust buildup, ensure proper ventilation, monitor CPU usage, and consider upgrading cooling system.

• Check for dust buildup in the computer's fans and vents

• Ensure proper ventilation around the computer

• Monitor CPU usage to identify any processes causing excessive heat

• Consider upgrading the cooling system with better fans or a liquid cooling system

To overhaul an oil stop check valve, follow these steps:

• 1. Shut off the oil supply and relieve any pressure in the system.

• 2. Remove the valve from the pipeline using appropriate tools.

• 3. Disassemble the valve carefully, noting the position of each component.

• 4. Clean all parts thoroughly to remove any debris or buildup.

• 5. Inspect all components for wear or damage and replace any faulty parts.

• 6. Reassemble the valve in the correct order and position.

• 7. Test the valve for proper...read more

A worn screw element can be identified by examining for signs of wear and tear, such as chipping, cracking, or deformation.

• Inspect the screw element for any visible signs of chipping or cracking

• Check for any deformation or warping of the screw element

• Look for excessive wear on the threads of the screw element

• Listen for any unusual noises during operation, which may indicate a worn screw element

• Monitor the performance of the equipment to see if there is a decrease in efficienc...read more

Units of pressure include pascal, bar, atmosphere, and psi.

• Pascal (Pa) is the SI unit of pressure

• Bar is commonly used in meteorology and scuba diving

• Atmosphere (atm) is the average pressure at sea level on Earth

• Pounds per square inch (psi) is used in engineering and automotive industries

Failure stress for spring is the maximum stress a spring can withstand before permanent deformation or breakage.

• Failure stress is determined by the material properties of the spring.

• Factors affecting failure stress include material type, manufacturing process, and design considerations.

• Examples of failure stress for springs include tensile strength, yield strength, and ultimate strength.

Azure offers cost savings over on-premises infrastructure due to reduced hardware and maintenance costs.

• Azure eliminates the need for upfront hardware investments

• Azure offers pay-as-you-go pricing, allowing for cost savings based on actual usage

• On-premises infrastructure requires ongoing maintenance and upgrades, leading to higher operational costs

• Azure provides scalability and flexibility, allowing for cost optimization based on business needs

• Azure offers cost management too...read more

XPath is used to navigate through the XML structure of a webpage, while CSS locators are used to identify elements based on their attributes.

• XPath is more powerful and flexible, allowing for complex searches and navigation through the DOM.

• CSS locators are faster and more efficient for simple searches based on element attributes.

• XPath can traverse both upwards and downwards in the DOM tree, while CSS locators can only move downwards.

• XPath uses a path expression to locate eleme...read more

Conductor, insulator, and semiconductor are materials with different electrical conductivity properties.

• Conductor: Materials that allow the flow of electric current easily. Examples: copper, aluminum.

• Insulator: Materials that do not allow the flow of electric current. Examples: rubber, glass.

• Semiconductor: Materials with intermediate conductivity. Examples: silicon, germanium.

Upgrade steps for Vcenter

• Ensure compatibility with existing hardware and software

• Backup all data and configurations before starting the upgrade

• Download the latest version of Vcenter from VMware website

• Run the installer and follow the on-screen instructions

• Verify the upgrade was successful and test functionality

Air compressor works by compressing air to increase its pressure, which can then be used for various applications.

• Air is drawn into the compressor through an intake valve.

• The air is then compressed using a piston or rotating impeller.

• The compressed air is stored in a tank or released directly for use.

• The compressed air can be used for powering pneumatic tools, inflating tires, and more.

A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.

• Diodes are made of semiconductor materials, such as silicon or germanium.

• They have two terminals: an anode (positive terminal) and a cathode (negative terminal).

• When a diode is forward-biased, it allows current to flow through it.

• When a diode is reverse-biased, it blocks the current.

• Diodes are commonly used in rectifier circuits, voltage regulators, and sign...read more

Mechanical design is the process of creating physical products and systems using engineering principles and techniques.

• Involves designing components and assemblies for machines, vehicles, structures, etc.

• Requires knowledge of materials, manufacturing processes, and CAD software.

• Focuses on functionality, safety, and efficiency of the design.

• Examples include designing a car engine, a robotic arm, or a bridge structure.

Engineering design is the process of creating a solution to a problem or need using scientific and mathematical principles.

• Engineering design involves identifying a problem or need, researching and analyzing possible solutions, and selecting the best solution.

• It requires the use of scientific and mathematical principles to create a solution that is safe, efficient, and effective.

• The design process typically involves several stages, including conceptual design, detailed design...read more

I have experience with various software known and modules.

• Proficient in CAD software such as AutoCAD and SolidWorks

• Familiar with simulation software like ANSYS and COMSOL

• Knowledge of programming languages like C++, Python, and MATLAB

• Experience with project management tools such as JIRA and Trello

• Understanding of version control systems like Git and SVN

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A diode is a two-terminal electronic component that allows current to flow in one direction and blocks it in the opposite direction.

• A diode has an anode and a cathode terminal.

• It is represented by a triangle with a line at the base.

• The arrowhead of the triangle points towards the cathode terminal.

• The line at the base represents the anode terminal.

• The symbol of a diode is often accompanied by its part number or label.

Boomer is a hydraulic drilling rig used in mining and construction industries.

• Boomer is a versatile drilling rig that can be used for drilling holes of different sizes and depths.

• It is equipped with a hydraulic system that powers the drilling mechanism.

• Boomer is commonly used in mining and construction industries for drilling tunnels, shafts, and blast holes.

• It can be operated by a single person or a team of operators depending on the size and complexity of the project.

• Boomer...read more

List is mutable, tuple is immutable in Python.

• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is used for collections of items that may change, tuple for fixed collections.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)

Shear stress is a type of stress that acts parallel to a surface, causing layers of material to slide past each other.

• Shear stress is caused by forces applied parallel to a surface, leading to deformation.

• It is calculated as force divided by the area over which the force is applied.

• Shear stress is commonly seen in materials like fluids, where layers move at different speeds.

• Examples include cutting paper with scissors, or stirring a liquid causing layers to slide past each ot...read more

Type of gear refers to the category of gears based on their design and application.

• Gears can be classified into various types such as spur gear, helical gear, bevel gear, worm gear, etc.

• Each type of gear has a unique design and is used for specific applications.

• Spur gears are used for transmitting power between parallel shafts, while bevel gears are used for transmitting power between intersecting shafts.

• Worm gears are used for reducing speed and increasing torque.

• Helical gea...read more

Motor starters are devices used to start and stop electric motors safely and efficiently.

• Motor starters control the flow of electricity to the motor, protecting it from overloads and short circuits.

• They typically consist of a contactor, overload relay, and control devices like push buttons or switches.

• Motor starters can be manual or automatic, with features like thermal overload protection and phase loss detection.

• Examples of motor starters include direct-on-line starters, st...read more

Switchgears are electrical devices used to control, protect, and isolate electrical equipment in power systems.

• Switchgears are used to control the flow of electricity in a power system.

• They protect electrical equipment from overloads, short circuits, and other faults.

• Switchgears can isolate faulty equipment to prevent damage to the rest of the system.

• Examples of switchgears include circuit breakers, fuses, and disconnect switches.

P2P cycle refers to the Procure-to-Pay process in supply chain management. Incoterms are international commercial terms used in international trade.

• P2P cycle involves steps like requisition, supplier selection, purchase order creation, goods receipt, invoice verification, and payment.

• Incoterms are standardized terms used in international trade to define the responsibilities of buyers and sellers in terms of transportation, insurance, and risk.

• Examples of Incoterms include EXW...read more

Types of compressors include reciprocating, rotary, centrifugal, and axial compressors.

• Reciprocating compressors use a piston to compress the gas.

• Rotary compressors use rotating impellers or screws to compress the gas.

• Centrifugal compressors use a rotating impeller to accelerate the gas and then convert the kinetic energy into pressure.

• Axial compressors use a series of rotating and stationary blades to compress the gas.

• Examples: reciprocating compressors are used in household...read more

The components of a screw compressor package include the compressor unit, motor, control panel, cooling system, and piping.

• Compressor unit: The main component that compresses the air or gas.

• Motor: Provides the power to drive the compressor unit.

• Control panel: Allows for monitoring and controlling the compressor operation.

• Cooling system: Keeps the compressor and motor at optimal operating temperatures.

• Piping: Connects the compressor unit to the rest of the system for air or ga...read more

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.

A linked list is a data structure where each element points to the next element in the sequence.

• Consists of nodes connected by pointers

• Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)

• Allows for dynamic size and efficient insertion/deletion operations

Sibling for locator is navigator

• Navigator

• Guide

• Wayfinder

Thermodynamic equations and cycles are fundamental concepts in engineering.

• Thermodynamic equations describe the relationships between various properties of a system.

• The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.

• The second law of thermodynamics states that the entropy of an isolated system always increases.

• Common thermodynamic cycles include the Carnot cycle, Rankine cycle, and Brayton cycle.

• Thermodynamic equat...read more

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

• Compressors are commonly used in refrigeration systems to compress refrigerant gases.

• They are also used in air conditioning systems to compress and cool air.

• Compressors can be classified into types such as reciprocating, rotary, and centrifugal compressors.