100+ Senior Engineer Interview Questions and Answers for Freshers

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

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

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

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

COP measures efficiency in heating/cooling systems; heat load calculations determine required capacity for HVAC systems.

• COP (Coefficient of Performance) is the ratio of useful heating or cooling provided to the energy consumed.

• Heat load calculations assess the thermal energy needed to maintain desired indoor temperatures.

• Types of PCBs (Printed Circuit Boards) in VRF (Variable Refrigerant Flow) systems include control PCBs and power PCBs.

• AHU (Air Handling Unit) is a device use...read more

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

Minimum structure cost for residential apartments varies by location, materials, and design, typically ranging from $100 to $200 per sq ft.

• Cost varies significantly by region; urban areas may exceed $200/sq ft.

• Material choice impacts cost; concrete and steel are more expensive than wood.

• Design complexity can increase costs; simple designs are cheaper.

• Local building codes and regulations can affect overall expenses.

• Example: In a city like New York, costs can reach $300/sq ft d...read more

Designing a wiring harness involves planning, layout, prototyping, and testing to ensure functionality and safety.

• 1. Requirements Gathering: Understand the electrical needs of the system, such as voltage, current, and environmental conditions.

• 2. Design Layout: Create a schematic diagram that outlines the connections between components, using CAD software for precision.

• 3. Material Selection: Choose appropriate materials for wires, connectors, and insulation based on factors li...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

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.

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.

The refrigeration cycle is a thermodynamic process that removes heat from a designated area to lower its temperature.

• 1. Evaporation: Refrigerant absorbs heat from the environment, turning from liquid to gas.

• 2. Compression: The gas is compressed, increasing its pressure and temperature.

• 3. Condensation: The hot gas releases heat to the surroundings, condensing back into a liquid.

• 4. Expansion: The liquid refrigerant expands, lowering its pressure and temperature before entering ...read more

Silk percentage in sand is zero.

• Silk is a natural fiber produced by silkworms, while sand is composed of small particles of minerals.

• Silk and sand have completely different compositions and properties.

• There is no silk present in sand, so the silk percentage in sand is zero.

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

Steel requirement for combined footings varies based on design, typically around 100-150 kg per cubic meter.

• Steel quantity depends on load-bearing capacity and soil conditions.

• For example, a typical combined footing may require 100-150 kg of steel per cubic meter.

• Design codes like ACI or IS codes provide guidelines for calculating steel requirements.

• Factors such as footing dimensions, reinforcement type, and spacing affect the total steel needed.

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.

Liquid limit and plastic limit are two important properties of soil used in geotechnical engineering.

• Liquid limit is the moisture content at which soil changes from a plastic to a liquid state.

• Plastic limit is the moisture content at which soil changes from a plastic to a semi-solid state.

• The difference between liquid limit and plastic limit is known as the plasticity index.

• These properties are determined using standardized tests such as the Casagrande method.

• Knowledge of liq...read more

The proportionate of M15 PCC is 1:2:4 (cement:sand:aggregate).

• M15 PCC stands for Mix 15 Plain Cement Concrete.

• The proportionate of M15 PCC is 1:2:4, which means 1 part cement, 2 parts sand, and 4 parts aggregate.

• This proportion is commonly used in construction for moderate strength concrete.