100+ Production Engineer Interview Questions and Answers for Freshers

Raw materials are the basic components used in production, while handling solvent involves safely managing chemicals.

• Raw materials are essential components used in manufacturing processes

• They can include items such as metals, plastics, chemicals, and more

• Handling solvents involves safely storing, using, and disposing of chemicals

• Proper ventilation, protective equipment, and training are important for solvent handling

• Examples of solvents include acetone, ethanol, and xylene

Electrical testing involves evaluating the performance and safety of electrical systems and components.

• Electrical testing is essential for ensuring the proper functioning of electrical equipment and systems.

• It involves measuring parameters such as voltage, current, resistance, and continuity.

• Testing can be done using various tools and equipment such as multimeters, insulation testers, and circuit analyzers.

• Regular testing helps identify potential issues before they lead to eq...read more

Production planning is the process of organizing resources and activities to achieve production goals efficiently.

• It involves determining the production schedule, allocating resources, and setting production targets.

• It helps to ensure that production is carried out in a timely and cost-effective manner.

• Factors such as demand, inventory levels, and capacity are taken into account during production planning.

• Effective production planning can help to minimize waste and reduce cos...read more

4M is a methodology used in production engineering. Retroactive refers to actions taken after an event, while prospective refers to actions taken before an event.

• 4M is a methodology used in production engineering that stands for Man, Machine, Material, and Method.

• Man refers to the human resources involved in the production process.

• Machine refers to the equipment and tools used in production.

• Material refers to the raw materials and components used in production.

• Method refers t...read more

Production details can be managed through proper planning, documentation, and communication.

• Create a production plan that outlines the process and timeline

• Document all production details including materials, equipment, and personnel

• Communicate regularly with team members to ensure everyone is on the same page

• Use technology such as production management software to streamline processes

• Regularly review and analyze production data to identify areas for improvement

Petrol fillup in a Diesel engine can cause serious damage to the engine.

• Do not start the engine if petrol has been mistakenly filled in a Diesel engine.

• Drain the fuel tank and fuel lines completely to avoid engine damage.

• Replace the fuel filter to prevent any petrol from entering the engine.

• Consult a mechanic to assess any potential damage and make necessary repairs.

• Educate the vehicle owner on the importance of using the correct fuel type to prevent future incidents.

Electrophoresis is a technique used to separate charged molecules based on their size and charge. Chromatography is a technique used to separate components of a mixture based on their affinity to a stationary phase.

• Electrophoresis involves applying an electric field to a gel or solution containing charged molecules, causing them to migrate towards the opposite charge electrode.

• Chromatography involves passing a mixture through a stationary phase, which separates the components...read more

Yes, I am proficient in reading technical drawings.

• I have experience in interpreting engineering drawings, including dimensions, tolerances, and symbols.

• I am familiar with different types of drawings, such as assembly drawings, detail drawings, and schematic diagrams.

• I can use software tools like AutoCAD and SolidWorks to view and analyze drawings.

• I understand the importance of accuracy and attention to detail when reading drawings.

• I can communicate effectively with designers...read more

Managing manpower involves proper planning, communication, training, and performance evaluation.

• Create a detailed manpower plan based on project requirements and timelines.

• Communicate effectively with employees to ensure they understand their roles and responsibilities.

• Provide necessary training and development opportunities to enhance skills and productivity.

• Regularly evaluate employee performance and provide feedback for improvement.

• Utilize technology and automation to stre...read more

2 stroke engines have power strokes in every revolution while 4 stroke engines have power strokes in every other revolution.

• 2 stroke engines have simpler design and are lighter

• 4 stroke engines have better fuel efficiency and produce less emissions

• 2 stroke engines are commonly used in small power tools and motorcycles

• 4 stroke engines are commonly used in cars and larger machinery

Dial fixture is used to hold the workpiece in place during machining operations.

• Dial fixture is a type of workholding device used in machining operations.

• It is designed to securely hold the workpiece in place while allowing for precise positioning and alignment.

• The dial fixture consists of a base, a dial indicator, and a clamping mechanism.

• The workpiece is placed on the base and secured in place using the clamping mechanism.

• The dial indicator is then used to ensure that the w...read more

Tool offsets are taken by measuring the distance between the tool tip and the workpiece surface.

• Use a tool setter or probe to measure the distance between the tool tip and the workpiece surface

• Enter the measured offset value into the machine control system

• Verify the accuracy of the offset by performing test cuts

• Adjust the offset as necessary to achieve the desired results

Process and technical parameters of moulding machine.

• Process parameters include temperature, pressure, and time.

• Technical parameters include clamping force, injection rate, and shot size.

• The process parameters must be set according to the material being used.

• The technical parameters must be set according to the size and shape of the part being produced.

• Regular maintenance and calibration of the machine is necessary to ensure consistent quality.

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

• Energy is a conserved quantity in thermodynamics

• It can be transferred between systems or converted from one form to another

• The law is based on the principle of conservation of energy

• Example: When a hot cup of coffee is left on a table, it cools down as heat energy is transferred to the surroundings

Instruments used in production include sensors, gauges, meters, analyzers, and controllers.

• Sensors are used to measure various parameters such as temperature, pressure, flow, and level.

• Gauges are used to display readings of pressure, temperature, or other variables.

• Meters are used to measure quantities such as flow rate, volume, or energy consumption.

• Analyzers are used to analyze the composition of materials or products.

• Controllers are used to regulate and control the product...read more

Motors convert electrical energy into mechanical energy, while generators convert mechanical energy into electrical energy.

• Motors use electricity to produce motion, while generators use motion to produce electricity

• Motors have a rotor that spins within a stator, while generators have a rotor that is turned by an external force

• Motors are commonly used in appliances, vehicles, and industrial machinery, while generators are used in power plants and backup power systems

To achieve the hit target, focus on optimizing production processes, setting clear goals, and fostering a collaborative work environment.

• Analyze current production processes and identify areas for improvement

• Implement lean manufacturing principles to eliminate waste and increase efficiency

• Set specific, measurable, attainable, relevant, and time-bound (SMART) goals

• Regularly monitor progress towards the target and make adjustments as needed

• Promote open communication and collabo...read more

The zeroth law of thermodynamics states that if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.

• The zeroth law establishes the concept of temperature and thermal equilibrium.

• It states that if two systems are separately in thermal equilibrium with a third system, they are also in thermal equilibrium with each other.

• This law allows the definition of temperature scales and the measurement of temperature.

• For example, if ...read more

1mm is equal to 1000 microns.

• 1mm = 1000 microns

• Micron is a unit of measurement for length equal to one millionth of a meter

• Microns are commonly used in manufacturing and engineering applications

The base documents of a control plan include process flow diagrams, work instructions, and quality standards.

• Process flow diagrams outline the sequence of steps in the production process.

• Work instructions provide detailed instructions on how to perform each step of the process.

• Quality standards define the criteria for acceptable quality and specify the required inspections and tests.

• Other base documents may include control charts, FMEA (Failure Mode and Effects Analysis), and...read more

Yes, I have knowledge in AutoCAD.

• I have experience in creating 2D and 3D models using AutoCAD.

• I am proficient in using AutoCAD tools such as layers, blocks, and dimensions.

• I have used AutoCAD for designing mechanical parts and electrical schematics.

• I am familiar with AutoCAD's interface and can navigate through it easily.

The density of CNG (Compressed Natural Gas) is approximately 0.72 kg/m^3 at standard conditions.

• The density of CNG can vary slightly depending on the composition and pressure of the gas.

• At standard conditions (1 atm pressure, 0°C temperature), the density of CNG is around 0.72 kg/m^3.

• Density is typically measured in units of kg/m^3 or g/cm^3.

Types of exchangers in heat transfer operation

• Shell and tube exchanger

• Plate heat exchanger

• Double pipe heat exchanger

• Finned tube heat exchanger

• Air-cooled heat exchanger

Handling all employees requires effective communication, leadership, and a supportive work environment.

• Establish clear communication channels to ensure employees are informed and can voice their concerns or ideas.

• Provide regular feedback and recognition to motivate and engage employees.

• Create a positive work culture that promotes teamwork, collaboration, and respect.

• Offer opportunities for professional development and growth to enhance employee skills and job satisfaction.

• Add...read more

Diesel engines are more fuel-efficient and have higher torque, while petrol engines have higher power output and are more responsive.

• Diesel engines use compression ignition while petrol engines use spark ignition.

• Diesel engines have a higher compression ratio than petrol engines.

• Diesel engines are more suitable for heavy-duty vehicles while petrol engines are more suitable for light-duty vehicles.

• Diesel engines produce less carbon dioxide emissions than petrol engines.

• Petrol ...read more

Distillation is a process of separating components of a liquid mixture based on their different boiling points.

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

• The vapor is then cooled and condensed back into a liquid, separating it from the less volatile components.

• The separated components can have different boiling points, allowing for purification or concentration of specific substances.

• Examples of distillation include the production ...read more

Exchangers and distillation towers are key components in the production process of various industries.

• Exchangers are devices used to transfer heat between two or more fluids.

• Distillation towers are tall vertical structures used to separate mixtures of liquids based on their boiling points.

• Exchangers can be found in various industries such as oil refining, chemical manufacturing, and power generation.

• Distillation towers are commonly used in the production of fuels, chemicals, ...read more

A transformer in an appliance is a device that converts high voltage electricity to lower voltage for safe use.

• Transformers consist of primary and secondary coils of wire wrapped around a core

• They work on the principle of electromagnetic induction

• Examples include transformers in power adapters for electronic devices

7QC tools are a set of quality control tools used to identify and solve production problems.

• The tools include: Pareto chart, cause-and-effect diagram, check sheet, control chart, histogram, scatter diagram, and flowchart.

• They help in identifying the root cause of problems, tracking progress, and making data-driven decisions.

• For example, a Pareto chart can be used to identify the most common defects in a production process, while a control chart can be used to monitor the stab...read more

Production is the process of creating goods and services using resources and labor.

• Production involves converting raw materials into finished products

• It requires planning, organizing, and controlling resources to ensure efficiency and quality

• Examples include manufacturing, agriculture, and service industries

I will ensure smooth operations on the shop floor by implementing efficient processes and maintaining a positive work environment.

• Establish clear communication channels with workers and supervisors

• Regularly monitor production processes and identify areas for improvement

• Ensure compliance with safety regulations and maintain a clean work environment

• Motivate and train workers to improve productivity and quality

• Maintain inventory levels and order supplies as needed

Glass filled polymer is a composite material made by mixing glass fibers with a polymer resin, resulting in a stronger and more durable material.

• Glass filled polymers have improved strength, stiffness, and heat resistance compared to regular polymers.

• They are commonly used in automotive parts, electronic housings, and industrial components.

• Examples include glass filled nylon, glass filled polypropylene, and glass filled polyester.

The iron-carbon diagram is a graphical representation of the phases and microstructures that form as iron and carbon interact.

• It shows the relationship between the carbon content in steel and its microstructure.

• It helps in understanding the properties and behavior of different types of steel.

• The diagram consists of various regions representing different phases like ferrite, cementite, pearlite, etc.

• It is used to determine the heat treatment processes and the resulting materia...read more

High voltage cables are cables designed to carry high levels of electrical energy safely.

• High voltage cables are insulated to prevent electrical leakage and ensure safety.

• They are used to transmit electricity over long distances with minimal power loss.

• Examples include power lines used for transmitting electricity from power plants to homes and businesses.

The least count of a micro meter is 0.01 mm.

• Least count is the smallest measurement that can be read on a measuring instrument.

• In the case of a micro meter, the least count is 0.01 mm.

• This means that any measurement taken with a micro meter will be accurate to within 0.01 mm.

The least count of vernier calliper is 0.1 mm.

• Least count is the smallest measurement that can be read from the instrument.

• Vernier callipers are commonly used in engineering and machining.

• For example, a measurement of 5.3 mm would be read as 5.3 with the vernier aligned at the 0.3 mark.

Bore gauging is a process of measuring the diameter of a hole using a bore gauge.

• Select the appropriate bore gauge for the hole size

• Insert the gauge into the hole and expand it until it makes contact with the walls

• Lock the gauge in place and remove it from the hole

• Measure the distance between the two anvils of the gauge using a micrometer

• Repeat the process at different points of the hole to ensure accuracy

A batal process is a term used in the oil and gas industry to describe a process where two fluids are mixed together to create a desired outcome.

• Batal processes are commonly used in drilling operations to create drilling mud with specific properties.

• The mixing of drilling mud involves combining water, clay, and other additives to achieve the desired viscosity and density.

• Batal processes can also be used in hydraulic fracturing operations to create fracturing fluids with speci...read more

Diamond is the hardest material.

• Diamond is the hardest known natural material.

• It has a hardness of 10 on the Mohs scale.

• Diamond is used in various industries for cutting, grinding, and drilling.

• Other hard materials include boron nitride, silicon carbide, and tungsten carbide.

OEE stands for Overall Equipment Effectiveness, a metric used to measure manufacturing productivity.

• OEE takes into account three factors: availability, performance, and quality.

• It is calculated by multiplying these three factors together.

• OEE is expressed as a percentage, with 100% being perfect production.

• OEE can be used to identify areas for improvement in the manufacturing process.

• For example, if availability is low, it may indicate a need for better maintenance or faster c...read more

Thermal efficiency is calculated by dividing the actual output energy by the input energy and multiplying by 100.

• Calculate the actual output energy produced by the system

• Determine the input energy supplied to the system

• Divide the actual output energy by the input energy

• Multiply the result by 100 to get the thermal efficiency percentage

A thermic fluid boiler is a type of industrial boiler that uses a liquid phase heat transfer medium instead of water.

• Uses a liquid phase heat transfer medium

• Commonly used in industries for heating processes

• Operates at high temperatures

• Examples include oil-based thermic fluid heaters

To check play of shaft, use a dial indicator to measure the axial and radial movement of the shaft.

• Secure the shaft in place and mount the dial indicator on a stationary surface.

• Place the dial indicator tip on the shaft and zero the gauge.

• Apply a force to the shaft in the axial and radial directions and record the readings.

• Compare the readings to the manufacturer's specifications to determine if the play is within acceptable limits.

A clutch is a mechanical device that engages and disengages power transmission between two rotating shafts.

• Clutches are commonly used in vehicles to allow the engine to start and stop without turning off the transmission.

• They are also used in machines to control the power output and speed.

• Clutches can be operated manually or automatically.

• There are different types of clutches, including friction clutches, hydraulic clutches, and electromagnetic clutches.

• The proper use and mai...read more

S.O.P stands for Standard Operating Procedure, which is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations.

• S.O.P outlines the steps that employees should take to complete a specific task or process.

• It ensures consistency and quality in the performance of tasks.

• S.O.Ps are used in various industries such as manufacturing, healthcare, and food service.

• For example, in a manufacturing plant, there may be an S.O.P for machine...read more

Various types of welding techniques are used in production engineering based on the material and application.

• Common types of welding include MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), Stick (Shielded Metal Arc), and Flux-Cored welding.

• Each type of welding has its own advantages and limitations, with some being better suited for certain materials or thicknesses.

• The choice of welding technique depends on factors such as material type, thickness, desired weld quality, and ...read more

Gearbox is a mechanical device that transmits power from an engine to the wheels.

• Understand the gear ratios and their corresponding speeds

• Use the clutch to engage and disengage gears

• Shift gears smoothly and at the appropriate time

• Maintain the gearbox regularly to ensure proper functioning