100+ Technical Engineer Interview Questions and Answers

Design a circuit to maintain constant elevation of a dish antenna between 19 and 20 degrees using hydraulic pressure.

• Use a pressure sensor to detect the hydraulic pressure in the ram

• Use a microcontroller to monitor the pressure and activate the pump when necessary

• Set upper and lower limits for the pressure to keep the elevation between 19 and 20 degrees

• Use relays to control the pump and the output signals

• Test the circuit thoroughly to ensure proper functioning

Safety in ACB, VCB, DG set refers to measures taken to prevent accidents and ensure the protection of equipment and personnel.

• ACB (Air Circuit Breaker) safety measures include proper installation, regular maintenance, and adherence to safety guidelines.

• VCB (Vacuum Circuit Breaker) safety measures involve proper insulation, regular testing, and following safety protocols during operation.

• DG set (Diesel Generator set) safety measures include proper ventilation, regular maintena...read more

The steady state equation for an electricity bulb reaching equilibrium with its surroundings.

• The steady state equation describes the balance between the power input and the power output of the bulb.

• It can be represented as: Power input = Power output

• In the case of an electricity bulb, the power input is the electrical power supplied to the bulb, and the power output is the light and heat energy emitted by the bulb.

• The equation ensures that the bulb operates at a stable state ...read more

Starting methods are used to start induction motors. They provide the necessary starting torque and prevent damage to the motor.

• Induction motors require a high starting current to generate the necessary torque to start rotating.

• Starting methods include direct-on-line, star-delta, soft starters, and variable frequency drives.

• Direct-on-line is the simplest and most common method, but can cause a high inrush current and mechanical stress on the motor.

• Star-delta reduces the start...read more

It depends on the specific needs and requirements of the customer.

• Consider the customer's budget and cost-effectiveness of the products.

• Evaluate the performance and features of both PPC and PSC.

• Assess the customer's technical expertise and support requirements.

• Take into account the scalability and future growth plans of the customer.

• Consider any specific industry standards or regulations that may influence the choice.

• Provide examples of successful implementations of both PPC ...read more

Flooding systems for industries require careful consideration of factors such as facility layout, water source, water pressure, and emergency response plans.

• Consider the layout of the facility and identify areas that are at risk of flooding

• Determine the water source for the flooding system, such as a nearby river or a dedicated water storage tank

• Evaluate the water pressure available to ensure it is sufficient for effective flooding

• Develop emergency response plans, including e...read more

Toyota employees are great due to the company's emphasis on teamwork, respect, and continuous improvement.

• Toyota's culture values teamwork and collaboration among employees

• The company emphasizes respect for all individuals, regardless of position or background

• Continuous improvement is a core principle at Toyota, encouraging employees to constantly strive for better performance and innovation

• Toyota also invests in employee training and development to ensure they have the skill...read more

The number of engineers required depends on the nature of work and complexity of the organization.

• The type of industry and work being done determines the number of engineers required.

• The size of the organization is not the only factor to consider.

• A manufacturing company may require more engineers than a service-based company.

• The complexity of the organization's processes and systems also plays a role.

• A company with advanced technology may require more engineers than a company...read more

A generator is a machine that converts mechanical energy into electrical energy.

• Generators are used to produce electricity in power plants.

• They work by rotating a coil of wire inside a magnetic field.

• This movement creates an electrical current that can be used to power homes and businesses.

• Generators can also be used as backup power sources during blackouts or emergencies.

• Think of a generator like a bicycle dynamo that powers a light bulb.

• The faster you pedal, the brighter th...read more

Yes, but it depends on the motor's starting current and the capacity of the power supply.

• Direct online starting is suitable for motors with low starting current and when the power supply can handle the high inrush current.

• For higher rated motors, it is recommended to use soft starters or variable frequency drives to reduce the starting current and prevent damage to the motor and power supply.

• Examples of motors that can be started direct online include small motors used in hou...read more

25 horses, 5 tracks, find top 3 horses in minimum races using relative comparison.

• Divide horses into 5 groups of 5 each

• Conduct 5 races with each group, select the fastest 3 horses from each race

• Take the fastest 3 horses from each group and conduct a final race to determine the top 3 horses

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

• Transformers work on the principle of electromagnetic induction

• They consist of two coils, primary and secondary, wound around a common magnetic core

• When an alternating current is passed through the primary coil, it creates a magnetic field which induces a voltage in the secondary coil

• Transformers are used in power transmission and distribution, ...read more

Use regular expressions to efficiently find multiple occurrences of a name in a string.

• Create a regular expression pattern for the name

• Use the pattern with the 'match' method to find all occurrences

• Store the results in an array of strings

Oil is used in transformers for insulation and cooling purposes.

• Oil provides insulation between the windings and the core of the transformer.

• Oil also helps in dissipating the heat generated during the operation of the transformer.

• The oil used in transformers is usually mineral oil or synthetic oil.

• The oil needs to be tested and maintained regularly to ensure proper functioning of the transformer.

To copy Business phone on account to associated contacts and opportunities, use process builder or workflow rule.

• Create a process builder or workflow rule on account object

• Add criteria to check if Business phone is not null

• Add immediate action to update Business phone on associated contacts and opportunities

• Use field update action to update Business phone field on contacts and opportunities

• Map the Business phone field from account to contacts and opportunities

Digital data is more accurate and easier to manipulate than analog data.

• Digital data can be easily copied and transmitted without losing quality.

• Digital data can be easily manipulated and edited using software.

• Digital data is less susceptible to noise and interference than analog data.

• Digital data can be compressed to take up less storage space.

• Analog data can degrade over time, while digital data can be preserved indefinitely.

• Examples: MP3 files vs. cassette tapes, digital p...read more

There are two main types of encoders: incremental and absolute. Encoders are used to convert motion into an electrical signal for various applications.

• Incremental encoders provide relative position information and are commonly used in speed and position control systems.

• Absolute encoders provide absolute position information and are used in applications where knowing the exact position is critical.

• Encoders are used in robotics, CNC machines, industrial automation, and many oth...read more

Use alternative method or optimize plugin to reduce time.

• Optimize the plugin code to reduce execution time.

• Use a different plugin that can perform the same operation faster.

• Write custom code to achieve the same operation without using the plugin.

• Break down the operation into smaller tasks and execute them in parallel.

• Use caching to store results and avoid repeating the operation.

• Consider upgrading hardware or increasing resources to improve performance.

Yes, I have knowledge of transmission engineering system computer.

• I am familiar with various transmission engineering systems and their computerized components.

• I have experience in working with software used in transmission engineering, such as AutoCAD and MATLAB.

• I understand the principles of transmission engineering and how computer systems are used to optimize performance and efficiency.

• I have successfully implemented computer-based solutions for transmission engineering p...read more

The energy equation for a spring relates the potential energy stored in the spring to its displacement and spring constant.

• The energy equation is given by U = 1/2 kx^2

• U is the potential energy stored in the spring

• k is the spring constant

• x is the displacement of the spring from its equilibrium position

• The equation can be used to calculate the potential energy stored in a spring at a given displacement

• The equation can also be used to calculate the displacement of a spring given...read more

Load flow study is necessary to ensure efficient and reliable operation of power systems.

• Helps in determining the steady-state operation of power systems

• Identifies potential problems such as voltage drops, overloads, and reactive power demand

• Assists in planning and designing of power systems

• Ensures efficient and reliable operation of power systems

• Helps in optimizing the use of power system resources

• Examples: Load flow study is used in power system planning, design, and operat...read more

Yes, a transformer is a machine that is used to transfer electrical energy from one circuit to another.

• Transformers are used in power stations to step up or step down the voltage of electricity.

• They are also used in electronic devices to convert AC voltage to DC voltage.

• Transformers work on the principle of electromagnetic induction.

• They consist of two coils of wire wrapped around a magnetic core.

• When an alternating current flows through one coil, it creates a magnetic field ...read more

Data export service is a tool that allows users to export data from Dynamics 365 to an Azure SQL database or a CSV file.

• Data export service is a cloud-based service provided by Microsoft.

• It can be used to export data from Dynamics 365 to an Azure SQL database or a CSV file.

• It can be scheduled to run automatically or manually.

• It can be used to export data from both standard and custom entities.

• It can be used to export data from Dynamics 365 online or on-premises.

• It requires an...read more

NX uses layering to organize and manage different components of a design.

• Layering in NX allows for better organization and management of design components.

• Layers can be used to group related objects together, making it easier to select and manipulate them.

• Each layer can have its own properties, such as color, line style, and visibility.

• Layers can be turned on or off, allowing for better control over the display of different design elements.

• Layers can also be used to control t...read more

A vernier caliper is a measuring instrument used to accurately measure the dimensions of an object.

• It consists of a main scale and a sliding vernier scale.

• The main scale provides the whole number measurements, while the vernier scale provides the fractional measurements.

• The vernier scale slides along the main scale and is used to determine the precise measurement by aligning the markings on both scales.

• Vernier calipers can measure both internal and external dimensions, as wel...read more

A variation of Mastermind where numbers 1-9 are used instead of colors and no repetitions are allowed.

• Use a combination of logic and deduction to guess the number

• Start by guessing a random number and use the feedback to narrow down the possibilities

• Eliminate numbers that are not possible based on the feedback received

• Continue guessing and refining until the correct number is found

Toyota operates in various industries including automotive, robotics, and biotechnology.

• Automotive industry

• Robotics industry

• Biotechnology industry

ARD stands for Automatic Rescue Device which is used in lifts to bring the lift to the nearest floor in case of power failure.

• ARD is a safety feature in lifts that ensures the safety of passengers in case of power failure.

• It works by detecting the power failure and activating the backup power source to bring the lift to the nearest floor.

• ARD is mandatory in lifts installed in high-rise buildings.

• It is also known as an Emergency Power Operation Device (EPOD).

Fitter pipe is a process of fitting and joining pipes together to create a continuous pipeline.

• Fitter pipe involves cutting, threading, and welding pipes together.

• It is commonly used in plumbing, HVAC, and industrial applications.

• Fitter pipe requires knowledge of pipe sizes, materials, and fittings.

• Examples of fitter pipe projects include installing a new water line or repairing a damaged gas line.

Priority based working is a system where tasks are assigned based on their level of importance.

• Tasks are prioritized based on their urgency and importance

• Higher priority tasks are completed before lower priority tasks

• Priority can be determined by deadlines, impact on project goals, or other factors

• Allows for efficient use of time and resources

• Examples include emergency response teams, project management, and customer service

Silica gel is used as a drying agent in transformers to prevent moisture buildup.

• Silica gel absorbs moisture from the air and prevents it from entering the transformer.

• Moisture buildup can cause insulation failure and reduce the lifespan of the transformer.

• Silica gel is often used in conjunction with a breather to maintain a dry environment inside the transformer.

• Regular maintenance and replacement of the silica gel is necessary to ensure its effectiveness.

One way slab is a slab supported by beams on two opposite sides while two way slab is supported by beams on all four sides.

• One way slab is designed to carry load in one direction only

• Two way slab is designed to carry load in both directions

• One way slab is economical for smaller spans

• Two way slab is economical for larger spans

• Examples of one way slab include balcony, verandah, and bathroom floors

• Examples of two way slab include flat roofs, parking garages, and office buildings

CD is a physical storage medium while MP3 is a digital audio file format.

• CD stores audio data in a physical disc while MP3 stores it in a digital file format.

• CDs have limited storage capacity while MP3s can be compressed to take up less space.

• CDs require a CD player to play while MP3s can be played on various devices such as smartphones and computers.

The code used for steel structure is typically based on international standards and regulations.

• The most commonly used code for steel structure is the American Institute of Steel Construction (AISC) code.

• Other widely used codes include the Eurocode for steel structures (EN 1993) and the British Standard for steel construction (BS 5950).

• These codes provide guidelines and specifications for the design, fabrication, and construction of steel structures, ensuring safety and perfo...read more

Transmission equipments include wired and wireless devices used to transmit data or signals.

• Wired transmission equipments: coaxial cables, twisted pair cables, fiber optic cables

• Wireless transmission equipments: radio waves, microwaves, infrared waves

• Modems, routers, switches, hubs are also transmission equipments

Programming languages are used to write instructions for computers to execute tasks.

• Programming languages are used to communicate with computers and write software.

• They have syntax and rules that need to be followed for the code to be executed correctly.

• Examples of programming languages include Java, Python, C++, and JavaScript.

Inspection of manufacturing components is important to ensure quality, safety, and compliance with standards.

• Ensures quality control and consistency in production

• Identifies defects or issues early in the manufacturing process

• Helps prevent costly recalls or product failures

• Ensures compliance with industry regulations and standards

• Improves overall product reliability and customer satisfaction

Water is not used in what context?

• Water may not be suitable for certain processes or equipment due to its chemical properties

• Water can cause corrosion or damage to certain materials

• Alternative substances may be more effective or efficient for the intended purpose

Service in elevator field involves regular maintenance, repairs, and upgrades to ensure safe and efficient operation.

• Regularly inspecting and lubricating moving parts

• Testing safety features such as emergency brakes

• Replacing worn-out components like cables or pulleys

• Upgrading to newer technology for improved performance

• Responding promptly to service calls for breakdowns or malfunctions

Technical issues in industries refer to problems related to equipment, machinery, processes, and systems that affect productivity and efficiency.

• Equipment breakdowns and malfunctions

• Software and hardware issues

• Process inefficiencies

• System integration problems

• Environmental and safety concerns

• Lack of skilled labor

• Supply chain disruptions

• Regulatory compliance challenges

Composition of steel includes iron and carbon, along with other elements.

• Steel is primarily composed of iron and carbon.

• Other elements like manganese, silicon, and sulfur are also present in small amounts.

• The composition of steel can vary depending on the desired properties and intended use.

• For example, stainless steel contains chromium and nickel for corrosion resistance.

• Different types of steel, such as high-strength or low-alloy steel, have specific compositions.

Yes, I have experience in networking device installation.

• I have installed routers, switches, and firewalls in various network setups.

• I am familiar with configuring network devices for optimal performance.

• I have troubleshooted network issues related to device installation.

• I have worked with different brands of networking devices such as Cisco, Juniper, and Fortinet.

To check if an APK file is proper or not, we can use various methods.

• Check the file size, it should be within the expected range

• Verify the package name and version code

• Check the signature of the APK file

• Scan the APK file for malware using antivirus software

• Install the APK file on a test device and check for any errors or crashes

Toyota has a range of engines including gasoline, hybrid, diesel, and electric.

• Toyota has gasoline engines such as the 1.8L 4-cylinder engine in the Corolla

• Toyota also has hybrid engines like the 1.8L 4-cylinder engine in the Prius

• Toyota has diesel engines like the 2.8L 4-cylinder engine in the Hilux

• Toyota has electric engines like the one in the RAV4 EV

I solve problems by analyzing the root cause and finding the most efficient solution.

• Identify the problem and gather all relevant information

• Analyze the root cause and brainstorm possible solutions

• Evaluate each solution and choose the most efficient one

• Implement the solution and monitor for any further issues

• Document the problem and solution for future reference

Tetrahedral elements have a pyramid-like shape with four triangular faces.

• Tetrahedral elements are commonly used in finite element analysis.

• They are often used to discretize 3D domains in engineering simulations.

• The shape of tetrahedral elements allows for efficient mesh generation and analysis.

• Examples of tetrahedral elements include the regular tetrahedron and the truncated tetrahedron.

Cooling tower water levels should be checked regularly to ensure proper functioning.

• Check water levels daily and record them in a logbook.

• Inspect the water distribution system for any leaks or blockages.

• Monitor the water temperature and pH levels to prevent corrosion and scaling.

• Perform regular maintenance on the cooling tower to prevent buildup of debris and algae.

• Ensure that the tower is properly ventilated to prevent the growth of harmful bacteria.

• Use water treatment chemi...read more