100+ Senior Engineer Interview Questions and Answers for Freshers

IATF stands for International Automotive Task Force and its current revised name is IATF 16949:2016.

• IATF stands for International Automotive Task Force

• Its current revised name is IATF 16949:2016

The types of lacquer used on lens and housing include acrylic lacquer, polyurethane lacquer, and epoxy lacquer.

• Acrylic lacquer is commonly used on lens and housing due to its high transparency and UV resistance.

• Polyurethane lacquer provides excellent durability and chemical resistance, making it suitable for lens and housing.

• Epoxy lacquer offers superior adhesion and impact resistance, making it a preferred choice for lens and housing in harsh environments.

Rework of produced parts affects the factors of Overall Equipment Efficiency (OEE).

• Rework increases the time required to produce a part, reducing the availability factor of OEE.

• Rework increases the number of defects, reducing the quality factor of OEE.

• Rework increases the amount of scrap or waste, reducing the performance factor of OEE.

• Rework can lead to increased downtime for equipment setup and adjustments, reducing the availability factor of OEE.

• Rework can result in additi...read more

The questions asked in the interview are related to technical specifications of engines and machinery.

• The play in the crankshaft of an engine refers to the amount of movement or clearance between the crankshaft and other engine components.

• The number of cylinders in a loader determines its power and performance.

• The new service schedule of the cat grader 120k2 refers to the recommended maintenance intervals and tasks for that specific model.

Controlled components are controlled by React, while uncontrolled components are controlled by the DOM.

• Controlled components are controlled by React state, while uncontrolled components are controlled by the DOM directly.

• Example: Input fields in a form controlled by React state vs input fields with native DOM handling.

• Lifecycle methods are methods that are automatically called at specific points in a component's life cycle.

• Example: componentDidMount() is called after the comp...read more

Direct metalizing is applicable on materials that can conduct electricity.

• Direct metalizing is a process of coating a non-metallic surface with a thin layer of metal.

• The material should be able to conduct electricity for direct metalizing to be applicable.

• Materials like plastic, glass, and ceramics can be direct metalized.

• Direct metalizing is commonly used in the automotive, aerospace, and electronics industries.

Companies are going for TPM to improve productivity, reduce downtime, and increase efficiency.

• TPM helps in identifying and eliminating equipment failures before they occur

• It ensures that equipment is maintained properly and in a timely manner

• TPM also helps in reducing the need for emergency repairs and downtime

• It improves overall equipment effectiveness and reduces costs

• Companies that have implemented TPM have seen significant improvements in productivity and efficiency

• Exampl...read more

Primary and secondary connections with port numbers are used for communication between client and agent machines.

• Primary connection is established using a well-known port number, such as port 80 for HTTP.

• Secondary connection is established using a random port number, which is assigned by the client machine.

• Primary connection is used for initial communication and negotiation, while secondary connection is used for data transfer.

• Secondary connection can be closed and reopened m...read more

The engine and hydraulic pump in a Volvo excavator are essential components that power and control the machine's movements.

• The engine is responsible for generating power to drive the excavator's various functions.

• It converts fuel into mechanical energy, which is then used to operate the hydraulic system.

• The hydraulic pump, on the other hand, is responsible for pressurizing hydraulic fluid and supplying it to the excavator's hydraulic system.

• It enables the machine to perform t...read more

Quality tools are techniques used to ensure quality in a product or service.

• Quality control charts

• Pareto charts

• Fishbone diagrams

• Histograms

• Control charts

• Scatter diagrams

• Statistical process control

APQP is a process for developing new products, PFMEA is a risk assessment tool, and MSA is a statistical analysis method.

• APQP (Advanced Product Quality Planning) is a structured process for developing new products or processes.

• PFMEA (Process Failure Mode and Effects Analysis) is a risk assessment tool used to identify and prioritize potential failure modes in a process.

• MSA (Measurement System Analysis) is a statistical analysis method used to assess the accuracy, precision, a...read more

The number of dumpers and excavators needed for a 15 km project depends on various factors such as the type of material being transported and the size of the excavation area.

• The number of dumpers needed for a 15 km project will depend on the volume and weight of material to be transported, as well as the capacity of each dumper.

• The number of excavators required will depend on the size of the excavation area, the type of soil or material to be excavated, and the depth of excav...read more

The amount of DFT required as per standard varies depending on the specific industry and project requirements.

• The required amount of DFT (Design for Testability) is determined by industry standards and project specifications.

• Different industries may have different standards for DFT.

• The complexity and size of the project also influence the amount of DFT required.

• DFT techniques include scan chains, built-in self-test (BIST), boundary scan, and more.

• The goal of DFT is to ensure ...read more

A capacitor is an electronic component that stores electrical energy in an electric field. It is used in various electronic circuits.

• Capacitors are used to filter out noise and stabilize voltage in power supplies.

• They are used in timing circuits, oscillators, and filters.

• Capacitors are also used in audio equipment to filter out unwanted frequencies.

• They can be found in electronic devices such as TVs, computers, and smartphones.

• Capacitors come in different types such as cerami...read more

I will conduct a thorough testing and inspection process to identify any errors in the Feeder.

• Perform visual inspection of the Feeder

• Conduct electrical testing to ensure proper functioning

• Check for any loose connections or damaged components

• Compare the Feeder's performance to the expected results

• Review any error logs or system alerts

• Consult with colleagues or experts for additional input

Yes, I have experience in deploying Horizon infrastructure.

• I have deployed Horizon View infrastructure for virtual desktops.

• I have configured and managed Horizon Connection Servers.

• I have worked with Horizon Composer for image management.

• I have experience in troubleshooting Horizon infrastructure issues.

• I have implemented Horizon Workspace for application and data access.

Yes, a washer with steel material is better for waterproof protection of cover.

• Steel material is more durable and resistant to corrosion compared to other materials like plastic or aluminum.

• Steel washers provide a tight seal, preventing water from seeping through and damaging the cover.

• Steel washers are commonly used in outdoor applications where waterproof protection is crucial, such as in construction or automotive industries.

Major losses affecting OEE include availability, performance, and quality losses.

• Availability losses occur when equipment is not running due to breakdowns, changeovers, or lack of materials.

• Performance losses occur when equipment is running below its maximum speed or efficiency.

• Quality losses occur when defective products are produced and need to be scrapped or reworked.

• Other losses may include startup and shutdown losses, minor stoppages, and reduced yield.

• Overall Equipment ...read more

SPC stands for Statistical Process Control. Cp and Cpk are statistical tools used to measure process capability.

• SPC is a method of monitoring and controlling a process to ensure it is operating within acceptable limits.

• Cp is a measure of how well the process is centered between the upper and lower specification limits.

• Cpk is a measure of how well the process is capable of producing within the specification limits.

• Cp and Cpk values range from 0 to 1, with values closer to 1 in...read more

The swing ratio of a transit mixer refers to the ratio of the drum's rotation speed to the speed of the vehicle's movement.

• The swing ratio determines the efficiency of the mixing process.

• A higher swing ratio allows for faster and more thorough mixing of the concrete.

• The swing ratio is influenced by factors such as the size and shape of the drum, the power of the engine, and the weight distribution of the mixer.

• For example, a transit mixer with a swing ratio of 1:3 means that ...read more

The number of sensors in Leyland Hava BS6 is not available.

• The exact number of sensors in Leyland Hava BS6 is not disclosed by the manufacturer.

• The number of sensors in a vehicle can vary depending on the model and its features.

• Sensors in a vehicle can include those for monitoring engine performance, emissions, tire pressure, and more.

The number of vibrators in concrete power varies depending on the size and complexity of the project.

• The number of vibrators is determined by the size and shape of the concrete structure.

• For smaller projects, a single vibrator may be sufficient.

• Larger projects may require multiple vibrators to ensure proper compaction.

• The type of vibrator used also affects the number needed.

• High-frequency vibrators are typically used for thin sections of concrete, while low-frequency vibrator...read more

The amount of UV energy required for curing depends on the type of material being cured and the intensity of the UV light.

• UV energy required for curing varies depending on the material being cured

• Intensity of the UV light also affects the amount of energy required

• UV energy is typically measured in Joules per square centimeter (J/cm²)

• Examples of materials that require UV curing include adhesives, coatings, and inks

Testing for oil leakage in transformers involves visual inspection, oil analysis, and pressure testing.

• Visual inspection of the transformer for any signs of oil leakage

• Oil analysis to check for any abnormal levels of dissolved gases or contaminants

• Pressure testing to check for any leaks in the transformer's oil-filled compartments

• Use of ultrasonic testing to detect any leaks in the transformer's tank

• Regular maintenance and inspection to prevent oil leakage

Discuss the value proposition and benefits of the product/service to justify the price increase.

• Understand the customer's needs and pain points to tailor the discussion accordingly.

• Highlight the unique features and advantages of your product/service compared to competitors.

• Provide case studies or testimonials showcasing the positive impact of your product/service.

• Offer flexible pricing options or discounts for long-term commitments.

• Emphasize the quality, reliability, and supp...read more

MSA stands for Measurement System Analysis. There are two types of MSA studies: Attribute Agreement Analysis and Variable Gauge R&R Study.

• MSA is a method used to assess the measurement system's capability to provide accurate and reliable data.

• Attribute Agreement Analysis is used when the measurement system classifies items into categories.

• Variable Gauge R&R Study is used when the measurement system provides numerical measurements.

• MSA helps identify and quantify sources of var...read more

The density value of aggregate to M30 concrete is typically around 1450-1550 kg/m^3.

• The density of aggregate used in M30 concrete is usually between 1450-1550 kg/m^3

• The specific density value may vary depending on the type of aggregate used

• The density of aggregate is an important factor in determining the overall density and strength of the concrete mix

Equipment efficiency can be calculated by dividing the actual output by the maximum possible output.

• Determine the maximum possible output of the equipment

• Measure the actual output of the equipment

• Divide the actual output by the maximum possible output

• Multiply the result by 100 to get the efficiency percentage

• Efficiency = (Actual Output / Maximum Possible Output) x 100

Squirrel cage motors are used in various applications such as industrial machinery, HVAC systems, pumps, fans, and compressors.

• Industrial machinery

• HVAC systems

• Pumps

• Fans

• Compressors

PLC can be connected to a workstation using Ethernet or serial communication. GSD files can be added in Simatic Manager for device configuration.

• Connect PLC to workstation using Ethernet or serial communication

• Open Simatic Manager and go to the hardware configuration

• Right-click on the device and select 'Insert New Object'

• Choose 'GSD file' and browse to select the GSD file for the device

• Save the configuration and download it to the PLC

Autonomous maintenance is a maintenance approach where operators take responsibility for routine maintenance tasks.

• Operators are trained to perform routine maintenance tasks

• Operators conduct inspections and minor repairs

• Autonomous maintenance reduces downtime and improves equipment reliability

• It also frees up maintenance staff to focus on more complex tasks

A size fine filter is a type of filter used to remove small particles or impurities from a fluid or gas.

• Size fine filters are commonly used in industries such as manufacturing, pharmaceuticals, and food processing.

• They are designed to capture particles that are smaller than what can be filtered by regular filters.

• These filters can be made of various materials such as paper, fabric, or synthetic fibers.

• Examples of size fine filters include HEPA filters used in air purifiers an...read more

Selecting a microcontroller involves considering factors like processing power, memory, peripherals, cost, and compatibility with the project requirements.

• Identify project requirements such as processing speed, memory size, and required peripherals.

• Consider the availability of development tools and community support for the chosen microcontroller.

• Evaluate the cost of the microcontroller and its compatibility with other components in the system.

• Ensure the microcontroller has t...read more

To configure a new drive in TIA Portal, you need to add the drive to the hardware configuration, assign parameters, and download the configuration to the drive.

• Add the new drive to the hardware configuration in TIA Portal

• Assign parameters such as IP address, communication settings, and drive type

• Download the configuration to the drive to apply the settings

• Test the communication and functionality of the new drive

Measurements for project drawings and quantities can be determined through detailed analysis and calculations.

• Measurements can be taken directly from the project drawings using scales and measuring tools.

• Quantities can be calculated based on the dimensions provided in the drawings.

• Software tools like AutoCAD and Revit can also be used to accurately measure quantities and dimensions.

• Bill of Quantities (BOQ) can be prepared to list out all the materials and quantities required ...read more

Instant clone is a feature in VMware Horizon that allows for rapid creation of virtual desktops.

• Instant clones are created from a parent VM in a matter of seconds.

• They share the same virtual disks as the parent VM, but have their own memory and virtual NICs.

• Instant clones use a technology called VMFork to create a copy-on-write clone of the parent VM.

• They are ideal for use cases where a large number of identical virtual desktops are needed, such as in call centers or classroo...read more

Admixtures are added to concrete to alter its properties or enhance its performance.

• Admixtures are added to concrete during mixing to modify its properties such as workability, strength, durability, and setting time.

• They can be classified into different types such as water-reducing, air-entraining, accelerating, retarding, and plasticizers.

• Examples of admixtures include superplasticizers, which improve workability without adding extra water, and air-entraining agents, which c...read more

Generally, grade 53 cement is used in RCC slabs due to its high strength and durability.

• Grade 53 cement is commonly used in RCC slabs for its high compressive strength.

• It provides better resistance to cracking and shrinkage compared to lower grade cements.

• Grade 53 cement is suitable for heavy-duty structures like RCC slabs, beams, and columns.

High-strength low-alloy (HSLA) steel is commonly used for bridge works due to its superior strength and durability.

• High-strength low-alloy (HSLA) steel is commonly used for bridge construction

• HSLA steel offers superior strength and durability compared to traditional carbon steel

• Examples of HSLA steel used in bridges include ASTM A572 and ASTM A588

Instant clone creates a copy of the VM while linked clone shares virtual disks with the parent VM.

• Instant clone is faster to create than linked clone.

• Instant clone uses a copy-on-write mechanism to create a new VM.

• Linked clone shares virtual disks with the parent VM and only creates delta disks for changes.

• Instant clone is useful for creating many identical VMs quickly.

• Linked clone is useful for creating VMs with slight variations from the parent VM.

The quantity done by 200 machines in an hour depends on the efficiency and capacity of each machine.

• The quantity done will depend on the output capacity of each machine

• Factors such as machine speed, efficiency, and type of work being done will also impact the quantity produced

• For example, if each machine can produce 10 units per hour, then 200 machines will produce 2000 units in an hour

The 7QC tools are a set of quality control tools used in process improvement. There are 7 tools in total.

• The 7QC tools are: Pareto Chart, Cause and Effect Diagram, Check Sheet, Histogram, Scatter Diagram, Control Chart, and Flowchart.

• These tools are used to identify, analyze, and solve quality-related problems in various processes.

• Each tool serves a specific purpose, such as identifying the most significant issues (Pareto Chart) or analyzing the root causes of a problem (Caus...read more

C++ is an extension of C with object-oriented programming features.

• C++ supports classes and objects while C does not.

• C++ has better support for polymorphism and inheritance.

• C++ has a standard template library (STL) while C does not.

• C++ allows function overloading while C does not.

• C++ has exception handling while C does not.

The primary arrestment for pump fixing is to identify the root cause of the issue.

• Identify the root cause of the issue

• Check for any leaks or damages in the pump

• Inspect the impeller and bearings for wear and tear

• Ensure proper alignment of the pump and motor

• Check the electrical connections and voltage supply

• Perform regular maintenance and cleaning

• Use high-quality replacement parts

• Train personnel on proper operation and maintenance

A transducer is a device that converts one form of energy into another.

• Transducers are used in various fields such as engineering, medicine, and physics.

• They can convert physical quantities such as temperature, pressure, and sound into electrical signals.

• Examples of transducers include microphones, thermometers, and pressure sensors.

My favorite subject is computer science.

• I enjoy studying algorithms and data structures.

• I find programming languages fascinating and love exploring their features.

• I am passionate about software development and enjoy solving complex problems.

• I am interested in artificial intelligence and machine learning.

• I enjoy learning about computer networks and cybersecurity.

Drives communicate with TIA through various communication protocols and interfaces.

• Drives can communicate with TIA through Ethernet/IP, Profinet, Modbus TCP/IP, etc.

• They can also use OPC UA for data exchange between the drive and TIA.

• Some drives may require specific communication modules or adapters to connect with TIA.

• Communication parameters such as IP address, port number, and protocol settings need to be configured correctly for successful communication.