50+ ZEE5 Interview Questions and Answers

ISRO does work in manufacturing, primarily focusing on the production of satellites, launch vehicles, and other space-related technologies.

• ISRO manufactures satellites for various purposes such as communication, remote sensing, and navigation.

• ISRO also manufactures launch vehicles like PSLV and GSLV for launching satellites into space.

• ISRO's manufacturing facilities are located in various centers across India, such as ISRO Satellite Centre (ISAC) in Bengaluru and Vikram Sarab...read more

Integrity Pact is a tool to prevent corruption in procurement contracts. Independent External Monitor is appointed by both parties involved.

• Integrity Pact is a tool used in procurement contracts to prevent corruption by ensuring transparency and accountability.

• It is a written agreement between the contracting authority and the bidders, committing them to refrain from bribery and collusion.

• An Independent External Monitor is appointed by both parties, usually a respected indivi...read more

Scrap disposal in PSU involves following specific procedures and terms, including disposal of waste oil.

• Scrap disposal in PSU typically involves segregating different types of scrap materials such as metal, paper, and plastic.

• Terms commonly used in scrap disposal include salvage value, scrap value, and scrap yard.

• To dispose of waste oil, it is important to follow environmental regulations and guidelines for proper disposal methods.

• Waste oil can be recycled or disposed of thro...read more

No, air is invisible and cannot be held in hand.

• Air is a mixture of gases that is invisible to the naked eye.

• It cannot be held in hand as it has no physical form.

• However, we can feel the effects of air, such as wind or the pressure it exerts.

• Air can also be measured and analyzed using scientific instruments.

A system is a collection of interconnected components that work together to achieve a common goal.

• A system is made up of multiple parts or components.

• These components are interconnected and interact with each other.

• The components work together to achieve a common goal or purpose.

• Examples of systems include computer systems, transportation systems, and ecological systems.

Electroplating is used in various industries such as automotive, electronics, jewelry, and aerospace.

• Automotive industry uses electroplating for chrome plating of car parts.

• Electronics industry uses electroplating for coating circuit boards with a layer of metal.

• Jewelry industry uses electroplating to enhance the appearance of jewelry pieces.

• Aerospace industry uses electroplating for corrosion resistance and to improve conductivity of components.

My area of interest in engineering is computer science and programming.

• I enjoy coding and developing software applications

• I am interested in artificial intelligence and machine learning

• I like to work on web development projects

• I am fascinated by the potential of blockchain technology

• I am always looking to learn new programming languages and frameworks

ISRO works on designing, building, and launching satellites for various purposes.

• Designing and building satellites for communication, remote sensing, and scientific research

• Launching satellites into orbit using rockets like PSLV and GSLV

• Collaborating with other space agencies for international missions

• Conducting research and development in space technology

The ISRO project refers to the Indian Space Research Organisation's various missions and projects in space exploration and satellite development.

• ISRO has successfully launched numerous satellites for communication, weather forecasting, and scientific research.

• Some notable ISRO projects include the Mars Orbiter Mission (Mangalyaan) and the Chandrayaan missions to the Moon.

• ISRO's achievements have placed India among the leading nations in space technology and exploration.

AJAX is a technique for creating interactive web applications by asynchronously sending and receiving data from a server without interfering with the display and behavior of the existing page. JSON is a lightweight data interchange format.

• AJAX stands for Asynchronous JavaScript and XML

• It allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes

• JSON (JavaScript Object Notation) is a lightweight data interchange format t...read more

The GSLV project refers to the Geosynchronous Satellite Launch Vehicle project by ISRO.

• The GSLV project is a series of launch vehicles developed by the Indian Space Research Organisation (ISRO) for launching satellites into geostationary orbits.

• The GSLV Mk III is the heaviest rocket in India's arsenal and has been used for missions like Chandrayaan-2 and the GSAT-29 satellite.

• The GSLV project plays a crucial role in India's space exploration and satellite deployment capabilit...read more

Hal in project work refers to a process where a project is divided into smaller phases or sections for better management and control.

• Hal in project work helps in breaking down complex projects into manageable tasks.

• It allows for better monitoring and tracking of progress.

• Hal can also help in identifying potential risks and issues early on.

• Examples of Hal in project work include using Gantt charts, creating work breakdown structures, and setting milestones.

ISRO's structure includes various centers and facilities for research, development, and operations related to space exploration.

• ISRO has multiple centers across India, such as Vikram Sarabhai Space Centre, U R Rao Satellite Centre, and Space Applications Centre.

• Each center specializes in different aspects of space research and technology, such as satellite development, launch vehicle technology, and space applications.

• ISRO also has facilities like the Satish Dhawan Space Cent...read more

I have experience working on various project assignments in the mechanical field.

• Managed project timelines and budgets effectively

• Collaborated with team members to troubleshoot and solve technical issues

• Utilized CAD software to design and modify mechanical components

• Performed testing and analysis to ensure project success

The anodes commonly used for nickel plating are nickel anodes and insoluble anodes.

• Nickel anodes are made of pure nickel and are used for general nickel plating applications.

• Insoluble anodes, such as platinum or graphite, are used for high-speed or high-current plating processes.

• Other anodes like lead, tin, or stainless steel can also be used depending on specific requirements.

Arbitration is used prior to going to court to resolve disputes outside of the legal system.

• Arbitration is a form of alternative dispute resolution where a neutral third party helps the parties reach a settlement.

• It is often faster, less formal, and more cost-effective than going to court.

• Arbitration allows for more flexibility in the process and can help maintain relationships between the parties involved.

• The decision reached in arbitration is usually binding and can only be...read more

Lathe machine rotates the workpiece while the cutting tool remains stationary, while milling machine rotates the cutting tool and workpiece simultaneously.

• Lathe machine is used for cylindrical workpieces, while milling machine is used for flat or irregularly shaped workpieces.

• Lathe machine can only produce symmetrical shapes, while milling machine can produce both symmetrical and asymmetrical shapes.

• Lathe machine is simpler and easier to operate than milling machine.

• Lathe mac...read more

I approach a problem by breaking it down into smaller parts, analyzing each part individually, brainstorming potential solutions, and then evaluating and implementing the best solution.

• Break down the problem into smaller, more manageable parts

• Analyze each part individually to understand its significance

• Brainstorm potential solutions for each part

• Evaluate and compare the potential solutions to determine the best course of action

• Implement the chosen solution and monitor its eff...read more

Improving flight safety and FOD free flying zone in aircraft electrical system

• Regular maintenance and inspection of electrical components

• Installation of FOD barriers and screens

• Proper training of maintenance and ground crew to prevent FOD

• Implementation of strict FOD prevention procedures

• Use of advanced technology to detect and prevent FOD

• Regular training of pilots to handle electrical system failures

Sketch analysis and sketch solving status command are used in CAD software to analyze and solve sketches for design engineering.

• Sketch analysis helps identify errors or inconsistencies in the sketch geometry.

• Sketch solving status command provides information on the current status of the sketch solving process.

• These tools are essential for ensuring the accuracy and feasibility of design sketches in engineering projects.

Customs clearance process involves verifying and processing goods entering or leaving a country, including assessment of custom duties.

• Customs clearance involves submitting necessary documents like invoice, packing list, and bill of lading.

• Customs officials inspect goods to ensure they comply with regulations and assess duties based on value, quantity, and type of goods.

• Customs duties are taxes imposed on imported or exported goods, which can vary based on country of origin, ...read more

Nickel-chromium plating is suitable for marine atmosphere due to its corrosion resistance.

• Nickel-chromium plating is highly resistant to corrosion caused by saltwater and humidity.

• It is commonly used for marine applications such as boat parts, propellers, and underwater equipment.

• Other plating options for marine atmosphere include zinc-nickel, electroless nickel, and hard chrome.

• The choice of plating depends on factors such as the type of metal being plated, the environment, ...read more

Important terms & conditions on a tender include payment terms, delivery schedule, quality standards, penalties for non-compliance, and bid validity period.

• Payment terms: Specify when and how payments will be made.

• Delivery schedule: Outline the timeline for delivery of goods or services.

• Quality standards: Define the expected quality of the products or services.

• Penalties for non-compliance: Detail consequences for failing to meet terms.

• Bid validity period: Specify how long the...read more

The types of connectors used in AC include power connectors, signal connectors, and data connectors.

• Power connectors: used to connect the AC power source to the device, such as IEC connectors

• Signal connectors: used for transmitting signals between devices, such as RCA connectors

• Data connectors: used for transferring data between devices, such as USB connectors

A network is a group of interconnected devices that communicate with each other. LAN is a type of network that covers a small area.

• Network is a collection of devices that are connected to each other to share resources and information.

• LAN stands for Local Area Network and is a type of network that covers a small geographical area such as a home, office, or building.

• LAN is usually owned and managed by a single organization and provides high-speed connectivity between devices.

• Ex...read more

Go NoGo gauge is a precision measuring tool used to check if a part meets the specified tolerances or not.

• It is a simple pass/fail gauge used in manufacturing and quality control.

• It has two ends, one for the maximum limit and the other for the minimum limit.

• If the part fits in the maximum end and not in the minimum end, it passes the test.

• If the part fits in the minimum end and not in the maximum end, it fails the test.

• Examples include checking the diameter of a hole or the t...read more

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

Genpact's working style is focused on innovation, collaboration, and continuous improvement.

• Genpact encourages innovation and creativity in problem-solving.

• Collaboration is key at Genpact, with teams working together to achieve common goals.

• Continuous improvement is emphasized, with a focus on learning and adapting to changes in the industry.

• Genpact values diversity and inclusion in the workplace, fostering a supportive and inclusive environment for all employees.

TCS stands for Tax Collected at Source and TDS stands for Tax Deducted at Source.

• TCS is the tax collected by the seller from the buyer at the time of sale of specified goods and services.

• TDS is the tax deducted by the employer from the salary of the employee before paying it to the employee.

• Both TCS and TDS are forms of indirect taxes collected by the government.

• TCS is applicable on transactions like sale of scrap, minerals, etc. while TDS is applicable on salary, rent, commi...read more

Passion for aviation, interest in aircraft design and technology, desire to contribute to the aerospace industry.

• Fascination with airplanes and spacecraft since childhood

• Strong interest in physics and mathematics

• Desire to work on cutting-edge technology and innovation in aerospace

• Passion for contributing to the advancement of aviation industry

• Inspired by the challenges and opportunities in aeronautical engineering

Our firm's SWOT analysis highlights our strengths, weaknesses, opportunities, and threats.

• Strengths: Strong brand reputation, experienced team, diversified product portfolio

• Weaknesses: Limited global presence, high employee turnover rate, outdated technology

• Opportunities: Emerging markets, strategic partnerships, technological advancements

• Threats: Intense competition, economic downturns, changing regulations

Server LAN is a local area network that connects servers within an organization.

• Server LAN is used to connect servers within an organization

• It allows for efficient communication and data sharing between servers

• It is typically faster and more secure than a wide area network (WAN)

• Examples of server LANs include Microsoft Windows Server, Linux Server, and Apple macOS Server

Enthalpy is the heat content of a system while entropy is the measure of disorder or randomness in a system.

• Enthalpy is the sum of internal energy and the product of pressure and volume.

• Entropy is a measure of the number of possible arrangements of a system.

• Enthalpy is used in thermodynamics to describe heat transfer in chemical reactions.

• Entropy is used to predict the direction of chemical reactions and the efficiency of energy conversion processes.

Electroplating is a process of depositing a layer of metal onto a surface using an electric current.

• Electroplating involves immersing the object to be plated (called the substrate) into a solution containing metal ions.

• A direct current is then passed through the solution, causing the metal ions to be attracted to the substrate and form a metal coating.

• Common applications of electroplating include improving the appearance of objects, providing corrosion resistance, and enhanci...read more

Fluid dynamics is the study of how fluids behave and interact with their environment.

• It involves the study of fluid motion, pressure, and forces.

• Applications include aerodynamics, hydrodynamics, and weather forecasting.

• Important equations include the Navier-Stokes equations and Bernoulli's principle.

• Fluid dynamics plays a crucial role in many engineering fields, such as aerospace and civil engineering.

Jigs and fixtures are tools used in manufacturing to hold, support, and locate workpieces during production.

• Jigs are used to guide cutting tools and ensure accuracy in production processes

• Fixtures are used to securely hold workpieces in place during machining operations

• Both jigs and fixtures help improve efficiency, accuracy, and consistency in manufacturing

• Examples include welding jigs, drilling fixtures, and assembly fixtures

I have experience using software such as Mastercam, SolidWorks, and CATIA for NC programming.

• Mastercam

• SolidWorks

• CATIA

Minimizing costs can be achieved through various methods.

• Identify areas where costs can be reduced without affecting quality

• Negotiate with suppliers for better prices

• Implement cost-saving measures such as energy-efficient equipment

• Reduce waste and optimize resources

• Outsource non-core functions to reduce overhead costs

Tolerance refers to the allowable variation in dimensions or properties of a part or product.

• Tolerance is important in engineering to ensure proper fit and function of components.

• It is typically specified as a range of acceptable values, such as +/- 0.1mm.

• Tolerance can be applied to dimensions, material properties, surface finish, etc.

• For example, a hole may have a tolerance of +/- 0.05mm to allow for proper alignment with a shaft.

The welding process involves joining materials together using heat and pressure.

• Welding involves melting the base metals and adding a filler material to create a strong bond.

• Different types of welding processes include TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and Stick welding.

• TIG welding uses a non-consumable tungsten electrode to create the weld.

• The process requires a shielding gas to protect the weld from contamination.

• Welding can be used in various industries such...read more

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

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)

Assembly is the process of putting together components to create a finished product.

• Assembly involves combining individual parts or components to create a final product

• It can involve manual labor or automated processes

• Examples include assembling electronics, furniture, and automobiles

Entry into new revenue stream involves identifying market opportunities, developing new products/services, and implementing effective marketing strategies.

• Conduct market research to identify potential opportunities

• Develop new products/services that align with market needs and company capabilities

• Implement effective marketing strategies to promote new offerings and attract customers

• Monitor performance and make adjustments as needed to maximize revenue potential

Factor of safety is a design parameter that accounts for uncertainties in material properties and loading conditions.

• Factor of safety is the ratio of the maximum stress a material can withstand to the maximum stress it is subjected to in a given application.

• It ensures that the structure or component will not fail under normal operating conditions.

• Higher factor of safety values indicate a more conservative design approach.

• For example, if a bridge has a factor of safety of 2, i...read more

Production is the process of creating goods or services using resources such as labor, machinery, and materials.

• Production involves converting raw materials or components into finished products.

• It includes activities such as manufacturing, assembling, packaging, and quality control.

• Efficient production processes can lead to cost savings and increased output.

• Examples of production include car manufacturing, food processing, and electronics assembly.

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.

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

Mechanical refers to the branch of engineering that deals with the design, construction, and operation of machinery and mechanical systems.

• Involves the study of forces, motion, energy, and materials

• Includes areas such as thermodynamics, fluid mechanics, and materials science

• Applications in industries like automotive, aerospace, and manufacturing

A turbine works by converting the energy from a flowing fluid into mechanical energy.

• Turbines have blades that are turned by a fluid, such as steam, water, or gas.

• The turning blades spin a shaft connected to a generator, producing electricity.

• Turbines are commonly used in power plants to generate electricity.

• There are different types of turbines, such as steam turbines, gas turbines, and water turbines.

Distillation is a process used to separate mixtures based on differences in boiling points.

• Distillation involves heating a mixture to vaporize the more volatile component.

• The vapor is then cooled and condensed back into a liquid, resulting in the separation of the components.

• Types of distillation include simple distillation, fractional distillation, and steam distillation.

• Simple distillation is used to separate liquids with significantly different boiling points.

• Fractional di...read more