400+ Technician Interview Questions and Answers

There are several types of flow meters used in various industries to measure the flow rate of fluids or gases.

• Some common types of flow meters include electromagnetic flow meters, ultrasonic flow meters, turbine flow meters, and positive displacement flow meters.

• Electromagnetic flow meters use Faraday's law of electromagnetic induction to measure the flow rate of conductive fluids.

• Ultrasonic flow meters utilize ultrasonic waves to measure the velocity of the fluid and calcula...read more

An air cold chiller is a device that cools air by removing heat from it.

• An air cold chiller is commonly used in air conditioning systems to cool indoor spaces.

• It works by circulating a refrigerant that absorbs heat from the air and then releases it outside.

• The chilled air is then distributed through ducts or vents to cool the desired area.

• Air cold chillers can be used in various settings such as homes, offices, hospitals, and industrial facilities.

• Examples of air cold chiller...read more

I prioritize tasks based on deadlines and importance, use to-do lists, delegate when possible, and focus on one task at a time.

• Prioritize tasks based on deadlines and importance

• Use to-do lists to keep track of tasks

• Delegate tasks when possible to lighten the workload

• Focus on one task at a time to ensure quality and efficiency

Yes, I am familiar with current and transformers.

• I have a strong understanding of electrical current and its properties.

• I am knowledgeable about transformers and their role in electrical systems.

• I have experience working with current and transformers in practical applications.

• I can troubleshoot and repair issues related to current and transformers.

• I am familiar with the safety precautions associated with working with current and transformers.

A multimeter typically measures several parameters including voltage, current, and resistance.

• Voltage

• Current

• Resistance

• Continuity

• Diode testing

The clutch plate is a component in a manual transmission system that engages and disengages the engine from the transmission.

• The clutch plate is located between the engine and the transmission.

• It is responsible for transmitting power from the engine to the transmission.

• When the clutch pedal is pressed, the clutch plate disengages from the flywheel, allowing the engine to spin freely.

• When the clutch pedal is released, the clutch plate engages with the flywheel, transmitting po...read more

A multimeter is used to check voltage, current, and resistance.

• Multimeter is a versatile device used in electronics and electrical work

• It can measure voltage, current, resistance, continuity, and more

• Examples of multimeter brands include Fluke, Klein Tools, and Tektronix

An aseptic area is a controlled environment where the risk of contamination is minimized to maintain sterility.

• Aseptic areas are commonly found in pharmaceutical manufacturing facilities and hospitals.

• These areas are designed to prevent the entry of microorganisms and maintain a sterile environment.

• Strict protocols and procedures are followed in aseptic areas to ensure cleanliness and sterility.

• Examples of aseptic areas include cleanrooms, operating theaters, and compounding ...read more

A database management system is a software that allows users to create, access, and manage databases.

• DBMS is used to store and organize data in a structured manner

• It provides tools for data retrieval, modification, and deletion

• Examples include MySQL, Oracle, and Microsoft SQL Server

Principal working in ingot process involves melting raw materials, pouring into molds, solidifying, and removing ingots for further processing.

• Melting raw materials such as metal or alloy in a furnace

• Pouring the molten material into molds to shape it into ingots

• Allowing the material to solidify and cool in the molds

• Removing the solidified ingots from the molds for additional processing or use

Transport facilities are not provided due to cost-cutting measures.

• Company is currently implementing cost-cutting measures.

• Providing transport facilities may not be financially feasible for the company.

• Employees can explore alternative transportation options such as carpooling or public transportation.

• The company may offer other benefits or incentives to compensate for the lack of transport facilities.

The raw material for wind blade manufacturing is primarily fiberglass and resin.

• Fiberglass is a composite material made of glass fibers and resin.

• The resin is typically a thermosetting polymer that hardens when cured.

• Other materials such as carbon fiber, balsa wood, and foam may also be used in the manufacturing process.

• The raw materials are layered and molded into the desired shape of the wind blade.

• The manufacturing process may also involve cutting, sanding, and finishing t...read more

Petrol engines use spark plugs to ignite fuel, while diesel engines use compression to ignite fuel.

• Petrol engines use spark plugs to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.

• Petrol engines are generally lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.

• Petrol engines are more common in cars and motorcycles, while diesel engines are often found in trucks and heavy machinery.

The unit of magnetic flux is the Weber (Wb).

• The unit of magnetic flux is a measure of the total magnetic field passing through a given area.

• It is represented by the symbol Wb.

• One Weber is equal to one Tesla multiplied by one square meter.

• The magnetic flux can be calculated by multiplying the magnetic field strength by the area it passes through.

Answers to technical questions related to electricity and circuit protection.

• Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

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

• MCB (Miniature Circuit Breaker) is used to protect electrical circuits from overloads and short circuits, while RCCB (Residual Current Circuit Brea...read more

BPCR stands for Batch Production and Control Record. It is a document that provides a detailed record of the production and control activities for a specific batch of a product.

• BPCR is used in industries to ensure the quality and consistency of products.

• It includes information about the raw materials used, manufacturing processes, equipment used, and quality control tests performed.

• BPCR helps in tracking and tracing the production history of a batch.

• It is an essential documen...read more

A storage vasal in SIP refers to a mechanism for storing and retrieving data in a Session Initiation Protocol (SIP) environment.

• Storage vasal is used to store and retrieve data in SIP.

• It helps in managing and organizing data in a SIP environment.

• Examples of storage vasal in SIP include databases, file systems, and cloud storage.

• It allows for efficient data storage and retrieval during SIP sessions.

The type of output of Solar cells is direct current (DC) electricity.

• Solar cells produce direct current (DC) electricity as their output.

• DC electricity is used to power electronic devices and can be stored in batteries for later use.

• Solar panels are made up of multiple solar cells connected in series or parallel to increase voltage or current output.

The working method in the footwear industry involves designing, manufacturing, marketing, and selling shoes and other footwear products.

• Designing and creating prototypes of new shoe styles

• Sourcing materials such as leather, rubber, and fabric

• Manufacturing shoes using machinery and skilled labor

• Quality control to ensure products meet standards

• Marketing and selling shoes through retail stores, online platforms, and other channels

Diodes and transistors are electronic components used in circuits to control the flow of current.

• Diodes are two-terminal electronic components that allow current to flow in one direction only.

• Transistors are three-terminal electronic components that can amplify or switch electronic signals and are used in a wide range of electronic devices.

• There are two main types of transistors: bipolar junction transistors (BJTs) and field-effect transistors (FETs).

• BJTs are made of three la...read more

A megohmmeter is used for testing insulation.

• A megohmmeter, also known as an insulation tester, is used to measure the resistance of insulation materials.

• It applies a high voltage to the insulation and measures the current flowing through it.

• The results help determine if the insulation is in good condition or if there are any faults or leaks.

• Megohmmeters are commonly used in electrical and electronic industries to ensure the safety and reliability of insulation.

• Examples of in...read more

The firing order of a 4 cylinder engine is typically 1-3-4-2.

• The firing order refers to the sequence in which each cylinder in the engine fires.

• In a 4 cylinder engine, the firing order is usually 1-3-4-2.

• This means that cylinder 1 fires first, followed by cylinder 3, then cylinder 4, and finally cylinder 2.

Pressur vessels are containers designed to hold fluids or gases at a pressure significantly different from the ambient pressure.

• Pressur vessels are used in various industries such as oil and gas, chemical processing, and power generation.

• They are designed to withstand high pressure and are typically made of materials like steel or composite materials.

• Pressur vessels must be inspected regularly to ensure they are safe for use.

• Examples of pressur vessels include boilers, storag...read more

AC stands for alternating current and DC stands for direct current. They differ in the direction of flow of electrons.

• AC changes direction periodically while DC flows in one direction only

• AC is used for power transmission over long distances while DC is used for electronic devices

• AC voltage can be easily changed using a transformer while DC voltage cannot be changed easily

• Examples of AC devices include household appliances while examples of DC devices include batteries and el...read more

Petrol engines use spark ignition while diesel engines use compression ignition.

• Petrol engines have higher RPMs and are more suitable for high-speed driving.

• Diesel engines have higher torque and are more fuel-efficient.

• Petrol engines are lighter and quieter while diesel engines are heavier and noisier.

• Petrol engines emit more CO2 while diesel engines emit more NOx and particulate matter.

• Examples of petrol engines: Honda Civic, Toyota Corolla. Examples of diesel engines: Ford ...read more

The current consumed by a 60 watt ceiling fan depends on the voltage it is connected to.

• The current consumed by a 60 watt ceiling fan can be calculated using Ohm's law (I = P/V).

• Assuming a voltage of 120V, the current consumed by the fan would be 0.5A.

• However, if the voltage is different, the current consumed would also be different.

• It is important to check the fan's specifications or consult an electrician to determine the correct current rating.

Schematic diagrams show the electrical connections and functions of a specific circuit, while block diagrams show the components of a system and their connections.

• Schematic diagrams focus on the details of individual components and their connections within a circuit.

• Block diagrams provide an overview of the system by showing the components and their interconnections.

• Schematic diagrams are commonly used in electronics to design and troubleshoot circuits.

• Block diagrams are ofte...read more

PPE is crucial in extraction and isolation protocols to prevent exposure to hazardous materials.

• PPE includes gloves, masks, goggles, and gowns.

• Proper use of PPE can prevent contamination and exposure to harmful substances.

• Examples of hazardous materials include infectious agents, chemicals, and radioactive materials.

• Extraction and isolation protocols are designed to safely handle and contain these materials.

• Failure to use PPE can result in serious health consequences for indi...read more

PCR and ELISA are laboratory techniques used in molecular biology and immunology respectively.

• PCR amplifies DNA sequences using a thermal cycler and specific primers.

• PCR requires high-quality DNA template, primers, Taq polymerase, and dNTPs.

• ELISA detects and quantifies antigens or antibodies using an enzyme-linked detection system.

• ELISA involves coating a microplate with antigen or antibody, adding a sample, and detecting the bound molecules.

• Both techniques require strict adh...read more

Compressor components include a motor, compressor pump, pressure switch, pressure gauge, and air tank.

• Motor powers the compressor pump

• Compressor pump compresses air and sends it to the air tank

• Pressure switch turns the motor on and off based on the pressure in the tank

• Pressure gauge measures the pressure in the tank

• Air tank stores the compressed air for later use

Surgery in operation theater involves a team of medical professionals performing a procedure on a patient under sterile conditions.

• The patient is prepped and anesthetized before being taken into the operating room.

• The surgical team includes a surgeon, anesthesiologist, nurses, and other support staff.

• The room is kept sterile to prevent infection, with everyone wearing surgical gowns, gloves, and masks.

• The surgery is performed using specialized tools and equipment, such as sca...read more

Machine problems refer to issues or malfunctions with equipment or devices. Resolving these problems involves troubleshooting and fixing the root cause.

• Identifying the specific issue or malfunction with the machine

• Troubleshooting to determine the root cause of the problem

• Repairing or replacing faulty components

• Testing the machine to ensure the problem has been resolved

Differential is used in automobiles to allow the wheels to rotate at different speeds while turning.

• Differential helps in turning the vehicle smoothly by allowing the outer wheel to rotate faster than the inner wheel.

• It also helps in distributing power evenly between the wheels.

• Without differential, the wheels would skid while turning.

• Examples of differential types are open differential, limited-slip differential, and locking differential.

Yes, I can do coding in both C++ and Java.

• I have experience in writing code in C++ and Java.

• I am familiar with the syntax and features of both languages.

• I have worked on projects using C++ and Java.

• I can provide examples of my coding work in both languages if needed.

A chiller plant typically goes through multiple cycles to cool a building or facility.

• A chiller plant usually has multiple cycles throughout the day to maintain the desired temperature in a building.

• The number of cycles can vary depending on factors such as the size of the building, weather conditions, and cooling load.

• For example, a chiller plant in a large office building may go through several cycles during peak hours to keep the occupants comfortable.

• Regular maintenance a...read more

I have a strong selling point of view that focuses on understanding customer needs and providing tailored solutions.

• I believe in building strong relationships with customers by actively listening to their needs and concerns.

• I emphasize the value and benefits of the product or service I am selling.

• I am skilled at identifying and addressing customer objections or hesitations.

• I strive to provide personalized recommendations and solutions based on the customer's specific requirem...read more

Peak production time can be handled by proper planning and organization.

• Create a production schedule to ensure all tasks are completed on time

• Prioritize tasks based on their importance and urgency

• Ensure all equipment and machinery are in good working condition

• Train and cross-train employees to handle multiple tasks

• Consider hiring temporary staff to handle the increased workload

• Monitor progress regularly and make adjustments as needed

Possible reasons for an engine not starting

• Faulty ignition system

• Fuel delivery issues

• Battery or starter motor problems

• Faulty sensors or computer system

• Mechanical issues like a seized engine

Transformers are electrical devices that transfer energy from one circuit to another through electromagnetic induction.

• Transformers work on the principle of electromagnetic induction

• They have two coils, primary and secondary, which are wound around a magnetic core

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

• Transformers are classified based on their construction, purpose, and voltage level...read more

LP stands for Low Pass and HP stands for High Pass.

• LP (Low Pass) is a type of filter that allows low-frequency signals to pass through while attenuating high-frequency signals.

• HP (High Pass) is a type of filter that allows high-frequency signals to pass through while attenuating low-frequency signals.

• LP and HP filters are commonly used in audio systems to control the frequency range of the output signal.

• LP filters are used to remove high-frequency noise or unwanted harmonics ...read more

I can conduct various types of investigations including forensic investigations, criminal investigations, financial investigations, and cyber investigations.

• Forensic investigations involve collecting and analyzing evidence from crime scenes.

• Criminal investigations focus on gathering evidence to solve crimes and bring perpetrators to justice.

• Financial investigations involve tracing funds, uncovering fraud, and identifying financial crimes.

• Cyber investigations deal with digital...read more

Structural analysis involves methods to determine the behavior of structures under different loads and conditions.

• Structural analysis is used to determine the strength, stiffness, and stability of structures.

• Methods include finite element analysis, matrix methods, and computer simulations.

• Terms include stress, strain, deformation, and buckling.

• Structural analysis is important in designing safe and efficient structures.

• Examples of structures analyzed include buildings, bridges...read more

The unit of force is the newton (N).

• The unit of force is used to measure the strength or intensity of a physical interaction.

• The newton (N) is the standard unit of force in the International System of Units (SI).

• Force can be measured using other units such as pounds (lb) or dynes (dyn), but the newton is the most commonly used unit.

• 1 newton is defined as the force required to accelerate a mass of 1 kilogram by 1 meter per second squared.

• Examples of forces include gravity, fri...read more

A diesel engine typically has four strokes: intake, compression, power, and exhaust.

• A diesel engine operates on the principle of internal combustion.

• During the intake stroke, air is drawn into the cylinder.

• During the compression stroke, the air is compressed.

• Fuel is injected into the cylinder during the power stroke.

• The exhaust stroke expels the combustion gases from the cylinder.

Printing operator in dry offset and pad printing operator are responsible for operating printing machines to produce high-quality prints on various surfaces.

• Operate printing machines to produce prints on various surfaces

• Ensure prints meet quality standards

• Perform routine maintenance on printing machines

• Troubleshoot any issues that arise during printing process

Hydraulic refers to the use of fluids to transmit power or force.

• Hydraulic systems use liquids such as oil or water to generate, control, and transmit power.

• They are commonly used in heavy machinery, such as excavators and cranes.

• Hydraulic brakes are used in vehicles to stop the wheels from turning.

• Hydraulic lifts are used to raise and lower heavy objects, such as cars in a garage.

• Hydraulic systems are often preferred over mechanical systems because they can transmit power ov...read more

Earth is the connection between an electrical circuit and the ground, while neutral is the return path for current in a circuit.

• Earth is a safety measure to prevent electric shock and protect against electrical faults.

• Neutral carries the current back to the source in a circuit.

• Earth is typically connected to the ground through a grounding electrode.

• Neutral is usually connected to the center tap of a transformer.

• In a three-phase system, the neutral wire carries the imbalance o...read more