100+ Field Service Engineer Interview Questions and Answers

HDMI is used to transmit high-quality audio and video signals between devices.

• HDMI is commonly used in home entertainment systems to connect devices like TVs, Blu-ray players, and gaming consoles.

• It provides a digital connection, ensuring high-quality audio and video transmission.

• HDMI cables can carry both audio and video signals, eliminating the need for separate cables.

• HDMI supports various video resolutions, including HD, Full HD, and 4K.

• It is also used in professional set...read more

DHCP stands for Dynamic Host Configuration Protocol. It is used to automatically assign IP addresses to devices on a network.

• DHCP eliminates the need for manual IP address configuration on each device in a network

• It helps in efficient management of IP addresses by dynamically assigning them to devices as they connect to the network

• DHCP servers lease IP addresses to devices for a specific period of time, known as a lease period

• DHCP also provides other network configuration inf...read more

IC/CI engine works by converting fuel into mechanical energy through combustion.

• Fuel is mixed with air and ignited in the combustion chamber.

• The resulting explosion pushes the piston, which turns the crankshaft.

• The crankshaft then converts the linear motion of the piston into rotational motion.

• Examples of IC/CI engines include gasoline and diesel engines.

• IC engines use spark plugs to ignite the fuel mixture, while CI engines use compression to ignite the fuel.

• IC/CI engines ar...read more

Isocratic pump delivers constant mobile phase composition while gradient pump delivers varying mobile phase composition.

• Isocratic pump delivers constant mobile phase composition while gradient pump delivers varying mobile phase composition.

• Gradient pump is used for separation of complex mixtures while isocratic pump is used for simple mixtures.

• Gradient pump is more versatile and flexible than isocratic pump.

• Isocratic pump is less expensive and easier to maintain than gradient...read more

To resolve product issues, identify the root cause and provide a solution to prevent future occurrences.

• Gather information about the issue from the customer and analyze the product

• Identify the root cause of the issue

• Provide a solution to fix the issue and prevent future occurrences

• Communicate the solution to the customer and ensure their satisfaction

A multimeter is a versatile tool used to measure voltage, current, and resistance in electrical circuits.

• Set the multimeter to the appropriate function (voltage, current, or resistance)

• Connect the probes to the circuit being tested

• Read the measurement displayed on the multimeter screen

• Ensure proper safety precautions are taken when working with live circuits

• For example, to measure voltage, set the multimeter to the voltage function, connect the probes to the circuit, and read...read more

Semi automatic systems require some human intervention, while fully automatic systems operate without human intervention.

• Semi automatic systems require manual input or control for certain functions

• Fully automatic systems operate without the need for human intervention

• Examples of semi automatic systems include semi-automatic washing machines and semi-automatic firearms

• Examples of fully automatic systems include fully automatic coffee machines and fully automatic car wash syste...read more

Cat-6 and Optical fibre are two different types of cables used for data transmission. Pixel definition refers to the number of pixels in an image.

• Cat-6 is a copper cable used for Ethernet networks, while optical fibre uses light to transmit data.

• Optical fibre has a higher bandwidth and can transmit data over longer distances than Cat-6.

• Pixel definition refers to the number of pixels in an image, which determines its resolution and clarity.

• Higher pixel definition means more pi...read more

Auxiliary parts of a turbine include control systems, cooling systems, lubrication systems, and instrumentation.

• Control systems: regulate the operation of the turbine

• Cooling systems: prevent overheating of the turbine components

• Lubrication systems: ensure smooth operation of the turbine's moving parts

• Instrumentation: monitors the performance of the turbine and provides data for maintenance and troubleshooting

• Other auxiliary parts may include filters, valves, pumps, and sensor...read more

Drive motor cables may heat up due to various reasons.

• Overloading of the motor can cause excessive heat in the cables.

• Poor cable insulation or damaged cables can lead to heat generation.

• Loose connections or high resistance in the cables can result in heating.

• Inadequate ventilation or cooling system can cause cables to heat up.

• Operating the motor at higher than recommended voltage or current can lead to cable heating.

Transformers work by transferring electrical energy between two or more circuits through electromagnetic induction. Rectifiers convert alternating current (AC) to direct current (DC) by allowing current to flow in only one direction.

• Transformers work by inducing a varying magnetic field in a coil of wire, which in turn induces a voltage in another coil of wire.

• Rectifiers typically use diodes to allow current to flow in only one direction, converting AC to DC.

• Transformers are ...read more

Valve technology refers to the design and function of valves used in various industries. Peak purity is a measure of the quality of a substance.

• Valve technology involves the use of different types of valves such as ball valves, gate valves, and globe valves.

• Valves are used to control the flow of fluids and gases in pipelines and other systems.

• Peak purity is a measure of the degree to which a substance is pure and free from impurities.

• It is commonly used in chromatography to a...read more

The number of switches in hydraulic function varies depending on the specific system and its complexity.

• The number of switches in a hydraulic function can range from none to multiple switches.

• Switches in hydraulic systems are used for various purposes such as controlling pressure, flow, and direction of fluid.

• Examples of switches in hydraulic systems include pressure switches, flow switches, and directional control valves.

• The number and type of switches required in a hydrauli...read more

Loading software in a system requires following certain steps.

• Ensure the system meets the software requirements

• Insert the installation media or download the software

• Run the installation wizard and follow the prompts

• Enter the license key if required

• Restart the system if prompted

• Test the software to ensure it is functioning properly

I am familiar with optical technologies such as fiber optics, lasers, and photonic devices.

• Fiber optics - transmission of data through thin, flexible fibers made of glass or plastic

• Lasers - devices that emit light through a process of optical amplification

• Photonic devices - devices that manipulate light for various applications

Managing customers onsite requires effective communication, problem-solving skills, and a customer-centric approach.

• Establish clear communication channels with the customer

• Listen actively to their concerns and needs

• Provide timely updates on the progress of the service

• Be proactive in identifying and addressing potential issues

• Maintain a positive and professional attitude

• Ensure customer satisfaction before leaving the site

Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.

• Centrifugal pumps: use a rotating impeller to increase the pressure of a fluid.

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge.

• Axial flow pumps: move fluid parallel to the pump shaft.

• Examples: Centrifugal pump - water pump, Positive displacement pump - diaphragm pump, Axial flow pump - propeller pump

Pumps are mechanical devices used to move fluids from one place to another.

• Pumps can be used in various industries such as water treatment, oil and gas, and manufacturing.

• There are different types of pumps including centrifugal pumps, positive displacement pumps, and diaphragm pumps.

• Pumps can be powered by electricity, engines, or manual operation.

• Common applications of pumps include pumping water from wells, circulating coolant in HVAC systems, and transferring chemicals in ...read more

To make a charger of DC 5 volts, you need a power source and a voltage regulator.

• Choose a power source such as a battery or AC-DC adapter

• Use a voltage regulator to regulate the voltage to 5V DC

• Connect the output of the voltage regulator to the charging port

• Ensure the charging port is compatible with the device being charged

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.

• Transistors are fundamental building blocks of modern electronic devices.

• They can amplify signals, regulate currents, and act as switches.

• Common types include bipolar junction transistors (BJTs) and field-effect transistors (FETs).

A latch is a mechanical device used to secure a door or gate.

• A latch typically consists of a bar or bolt that is engaged or disengaged by lifting or turning a knob or lever.

• Common types of latches include barrel bolts, spring latches, and deadbolts.

• Latches are commonly used on doors, gates, windows, cabinets, and other types of enclosures.

• Proper installation and maintenance of latches are important for security and safety purposes.

I have experience servicing both manual and automatic machines.

• I have worked on manual machines such as lathes and milling machines.

• I have also serviced automatic machines such as CNC machines and robotic systems.

• I am familiar with the different components and systems of both types of machines.

• I have experience troubleshooting and repairing issues with both manual and automatic machines.

Yes, I have knowledge of electrical.

• I have a degree in Electrical Engineering.

• I have worked on electrical systems in previous jobs.

• I am familiar with electrical codes and regulations.

• I have experience troubleshooting electrical issues.

• I have knowledge of electrical components and their functions.

To respond to customers as a Field Service Engineer, it is important to be attentive, empathetic, and knowledgeable.

• Listen actively to the customer's concerns and issues.

• Show empathy and understanding towards the customer's situation.

• Provide clear and concise explanations or solutions to their problems.

• Be knowledgeable about the product or service being provided.

• Offer assistance and follow-up to ensure customer satisfaction.

• Maintain a professional and friendly demeanor throug...read more

An ultrasound system is a medical imaging device that uses high-frequency sound waves to produce images of internal organs and tissues.

• Ultrasound systems use transducers to emit high-frequency sound waves into the body

• The sound waves bounce off internal structures and are detected by the transducer

• The detected sound waves are then converted into images by a computer

• Ultrasound systems are commonly used in obstetrics to monitor fetal development

• They are also used to diagnose an...read more

A single line diagram of a solar sub system shows the flow of electricity from the solar panels to the inverter and then to the load.

• Solar panels are connected in series or parallel to form an array

• The array is connected to a charge controller to regulate the voltage and current

• The charge controller is connected to the inverter which converts DC to AC

• The inverter is connected to the load to power electrical devices

The hardware of a CT scan includes an X-ray tube, detectors, gantry, and computer system.

• CT scan hardware includes an X-ray tube that rotates around the patient to produce images.

• Detectors capture the X-rays that pass through the patient's body.

• The gantry is the ring-shaped structure that houses the X-ray tube and detectors.

• The computer system processes the data from the detectors to create detailed images of the body.

CT scan uses X-rays and computer technology to create detailed images of the body's internal structures.

• CT scan stands for computed tomography scan.

• It uses X-rays to take multiple images of the body from different angles.

• A computer then combines these images to create a detailed 3D image of the body's internal structures.

• CT scans are commonly used to diagnose and monitor conditions such as cancer, heart disease, and brain disorders.

• They are also used to guide medical procedur...read more

The basis of security systems and prior experience

• Understanding of different security systems and their components

• Knowledge of installation, maintenance, and troubleshooting of security systems

• Experience in working with access control systems, CCTV cameras, alarm systems, etc.

• Familiarity with network protocols and IP-based security systems

• Ability to analyze security risks and recommend appropriate solutions

• Experience in conducting security audits and assessments

• Knowledge of r...read more

5C in Engine stands for Compression, Combustion, Cooling, Control, and Crankshaft.

• Compression - the process of compressing the air-fuel mixture in the engine cylinder

• Combustion - the process of igniting the compressed air-fuel mixture to produce power

• Cooling - the process of dissipating heat generated during combustion

• Control - the process of regulating engine speed and power output

• Crankshaft - the rotating shaft that converts reciprocating motion into rotational motion

Radiator is used to transfer heat from the coolant that circulates through the engine to the outside air.

• Helps in cooling the engine by dissipating heat

• Prevents engine from overheating

• Consists of tubes and fins to increase surface area for heat transfer

Different types of motors include AC motors, DC motors, stepper motors, and servo motors.

• AC motors: commonly used in household appliances and industrial applications

• DC motors: used in applications where speed control is important, such as robotics

• Stepper motors: used in precision positioning applications, like 3D printers

• Servo motors: used in applications requiring precise control of position and speed

A mechanical seal is a device that helps prevent leakage between two moving or stationary parts in a machine.

• Used in pumps, compressors, and other rotating equipment

• Consists of two main parts: stationary seal face and rotating seal face

• Seal faces are pressed together to create a barrier against leakage

• Common materials include carbon, ceramic, and tungsten carbide

• Regular maintenance and monitoring are necessary to ensure proper functioning

Compression ratio is the ratio of the volume of gas in the cylinder when the piston is at the bottom of its stroke to the volume of gas when the piston is at the top of its stroke.

• It is a measure of the efficiency of an internal combustion engine.

• Higher compression ratios result in higher engine efficiency and power output.

• Compression ratio is calculated by dividing the volume of the combustion chamber when the piston is at the bottom of its stroke by the volume of the combus...read more

Earthing voltage is the voltage between the earth and a conductor.

• Earthing voltage is also known as ground potential rise.

• It is important to maintain a low earthing voltage to prevent electrical shock and damage to equipment.

• Earthing voltage can be measured using a voltmeter.

• For example, if a power line is struck by lightning, the earthing voltage can rise and potentially damage nearby equipment.

• Proper grounding and earthing techniques can help prevent these issues.

Online UPS provides continuous power supply by always converting AC to DC and then back to AC, while offline UPS switches to battery power only when mains power fails.

• Online UPS constantly provides power by converting AC to DC and back to AC

• Offline UPS switches to battery power only when mains power fails

• Online UPS is more expensive but provides better protection against power fluctuations

• Offline UPS is cheaper but has a longer switchover time

• Examples: Online UPS - APC Smart-...read more

My career goal is to become a senior Field Service Engineer, leading a team of technicians and working on complex projects.

• Advance to a senior Field Service Engineer position

• Lead a team of technicians

• Work on complex projects

• Continuously improve technical skills and knowledge

• Obtain relevant certifications and training

• Seek opportunities for professional growth and development

Boost pressure is the pressure of air or gas in the intake manifold of an engine.

• Boost pressure is measured in pounds per square inch (PSI).

• It is used to increase the power output of an engine.

• Turbocharged and supercharged engines have higher boost pressure than naturally aspirated engines.

• Boost pressure can be adjusted using a boost controller.

• Low boost pressure can cause a decrease in engine performance.

• High boost pressure can cause engine damage or failure.

Different types of lighting in indoor spaces can include ambient, task, accent, and decorative lighting.

• Ambient lighting provides overall illumination in a room.

• Task lighting is focused on specific areas for activities like reading or cooking.

• Accent lighting highlights specific objects or architectural features.

• Decorative lighting adds aesthetic appeal to a space.

• Examples: chandeliers for decorative lighting, pendant lights for task lighting, track lighting for accent lightin...read more

Calibration and validation of the system are essential for ensuring accurate and reliable performance.

• Calibration involves adjusting the system to ensure accurate measurements or outputs.

• Validation involves confirming that the system meets the specified requirements and performs as intended.

• Regular calibration and validation are necessary to maintain the system's accuracy and reliability.

• Documentation of calibration and validation procedures is important for regulatory compli...read more

Electronics components are individual parts that make up electronic devices and systems.

• Electronics components can be passive (e.g. resistors, capacitors) or active (e.g. transistors, diodes)

• Common electronic components include resistors, capacitors, inductors, transistors, diodes, and integrated circuits

• Each component has a specific function in a circuit, such as controlling the flow of electricity or storing energy

• Components are often connected together on a circuit board t...read more

There is no standard maximum age limit for Field Service Engineer positions.

• Maximum age limit varies depending on company policies and local regulations

• Some companies may have a maximum age limit for hiring due to retirement policies or physical demands of the job

• In some countries, age discrimination laws may prohibit setting a maximum age limit for job applicants

Carestream Dental offers a wide range of dental products for various dental procedures.

• Carestream Dental provides digital imaging solutions such as intraoral cameras, digital radiography systems, and 3D imaging systems.

• They also offer software solutions for practice management, image analysis, and patient communication.

• Their product portfolio includes dental equipment such as chairs, lights, and delivery systems.

• Carestream Dental's products are designed to improve patient car...read more

Basic components of electronics include resistors, capacitors, diodes, transistors, and integrated circuits.

• Resistors: Control the flow of electric current in a circuit.

• Capacitors: Store and release electrical energy.

• Diodes: Allow current to flow in one direction only.

• Transistors: Amplify or switch electronic signals.

• Integrated Circuits: Contain multiple components on a single chip.

Centrifugal pumps work by converting rotational kinetic energy into hydrodynamic energy to move fluid through the pump.

• Centrifugal pumps use an impeller to rotate and create a centrifugal force that pushes the fluid outward.

• The fluid enters the pump through the center of the impeller and is accelerated radially outward.

• The kinetic energy of the fluid is converted into pressure energy as it exits the pump through the discharge outlet.

• Centrifugal pumps are commonly used in indu...read more

The function of a microwave antenna is to transmit and receive microwave signals for communication purposes.

• Transmitting and receiving microwave signals for communication purposes

• Directing and focusing the microwave signals

• Enhancing the signal strength and quality

• Used in various applications such as satellite communication, radar systems, and wireless networks

Router configuration varies based on the network requirements and devices connected.

• Determine the network requirements and devices to be connected

• Choose the appropriate router model and firmware version

• Configure the WAN and LAN settings

• Set up security features such as firewalls and VPNs

• Enable remote access and management if required