40+ Operator Interview Questions and Answers for Freshers

The RTGC is a rubber tyre gantry crane used for lifting and moving containers. It has a weight of 160.4 tons without load and a total height of 26.50 meters. The SWL (Safe Working Load) is 40 tons and the spreader range is 20/40 feet. Working with the RTGC can be risky.

• RTGC stands for Rubber Tyre Gantry Crane

• The weight of the RTGC without load is 160.4 tons

• The total height of the RTGC is 26.50 meters

• The SWL (Safe Working Load) of the RTGC is 40 tons

• The spreader range of the R...read more

Experience is more necessary than an engineering degree.

• Experience helps in practical problem-solving and decision-making.

• Engineering degree provides theoretical knowledge and technical skills.

• Experience can compensate for lack of formal education.

• Employers often value experience over education.

• Combination of both education and experience is ideal.

The carburetor is installed in gasoline-powered cars.

• Carburetors are not found in diesel-powered cars.

• Carburetors mix air and fuel for the engine to use.

• Modern cars typically use fuel injection instead of carburetors.

• Carburetors were commonly used in cars before the 1980s.

• Examples of cars with carburetors include the Ford Mustang and Chevrolet Camaro.

The trolley travels a distance of 18.50 meters at a speed of 70 meters per minute.

• The trolley covers a distance of 18.50 meters.

• It travels at a speed of 70 meters per minute.

• The trolley can be measured in terms of distance covered and speed.

Diesel and petrol vehicles differ in fuel type, engine design, fuel efficiency, and emissions.

• Diesel engines use compression ignition while petrol engines use spark ignition

• Diesel engines are more fuel-efficient than petrol engines

• Petrol engines emit more CO2 than diesel engines

• Diesel engines produce more nitrogen oxides (NOx) and particulate matter (PM) than petrol engines

• Examples: Diesel - Ford F-250, Petrol - Honda Civic

Solvent extraction involves using a solvent to separate compounds, while distillation involves separating compounds based on their boiling points.

• Solvent extraction uses a solvent to dissolve the desired compound, which is then separated from the solvent. Distillation involves heating a mixture to separate compounds based on their boiling points.

• Solvent extraction is often used in the extraction of essential oils from plants, while distillation is commonly used in the purific...read more

NC stands for Numerical Control and CNC stands for Computer Numerical Control. They are machines used in manufacturing processes.

• NC machines are controlled by punched cards or tapes, while CNC machines are controlled by computers.

• NC machines require manual programming, while CNC machines use computer-aided design (CAD) and computer-aided manufacturing (CAM) software.

• NC machines are less flexible and versatile compared to CNC machines.

• CNC machines offer higher precision, accur...read more

A turbine is a device that converts the energy from a fluid flow into useful work, typically by rotating a shaft.

• Turbines are commonly used in power generation, aviation, and marine propulsion.

• They work on the principle of Newton's third law of motion, where the reaction force of the fluid flow causes the turbine blades to rotate.

• Turbines can be classified into various types such as steam turbines, gas turbines, and hydraulic turbines.

• Steam turbines are used in power plants t...read more

The powertrain is the system in a vehicle that generates power and delivers it to the wheels.

• The powertrain typically includes the engine, transmission, driveshaft, and differential.

• It is responsible for converting fuel into mechanical energy to propel the vehicle.

• Different types of powertrains include gasoline, diesel, electric, and hybrid.

• Regular maintenance of the powertrain components is essential for optimal performance.

A vernier caliper is a measuring tool used to take precise measurements of small objects.

• Consists of two jaws, one fixed and one movable

• Has a main scale and a vernier scale for increased accuracy

• Used in fields such as engineering, machining, and woodworking

• Can measure internal and external dimensions as well as depth

• Example: measuring the diameter of a bolt or the thickness of a sheet of paper

Age should not be the sole factor in determining marriage status.

• Age is not the only factor to consider when deciding to get married.

• Personal readiness, financial stability, and relationship compatibility are also important.

• Some people choose to get married later in life for various reasons.

• Marriage is a personal decision and should not be rushed into based on age alone.

Fuel is a substance that is burned to provide heat or power. It can be classified as solid, liquid, or gas based on its physical state.

• Fuel is a substance that undergoes combustion to release energy in the form of heat or light.

• Solid fuels include coal, wood, and charcoal.

• Liquid fuels include gasoline, diesel, and kerosene.

• Gaseous fuels include natural gas, propane, and hydrogen.

• Fuels can also be classified as renewable (e.g. biofuels) or non-renewable (e.g. fossil fuels).

Gauges are instruments used to measure and display various physical quantities.

• There are several types of gauges, including pressure gauges, temperature gauges, fuel gauges, and speedometers.

• Pressure gauges measure the pressure of a fluid or gas, commonly used in industrial applications.

• Temperature gauges measure the temperature of a substance or environment, commonly found in thermometers.

• Fuel gauges indicate the amount of fuel remaining in a tank, commonly used in vehicles....read more

The first film of an actor is often a significant milestone in their career.

• The first film of an actor is usually the one that introduces them to the audience and sets the tone for their future work.

• It can be a breakthrough role that propels them to stardom or a small part that leads to bigger opportunities.

• Examples: Leonardo DiCaprio's first film was 'Critters 3', Meryl Streep's first film was 'Julia'.

Transformer protections include overcurrent protection, overvoltage protection, and differential protection.

• Overcurrent protection: Protects the transformer from excessive current flow which can lead to overheating and damage.

• Overvoltage protection: Prevents the transformer from being damaged by high voltage spikes or surges.

• Differential protection: Monitors the difference in current entering and leaving the transformer to detect internal faults.

• Temperature protection: Protec...read more

Vaporization is the process of turning a liquid into a gas through heat, while evaporation is the process of a liquid turning into a gas at a temperature below its boiling point.

• Vaporization requires heat to change a liquid into a gas, while evaporation can occur at room temperature.

• Vaporization is a rapid process, such as boiling water to create steam, while evaporation is a slower process, like a puddle drying up.

• Vaporization is a phase change that occurs throughout the liq...read more

I live in New York City, in the borough of Manhattan.

• I live in New York City

• Specifically, I live in the borough of Manhattan

Heat transfer is the process of energy moving from a warmer object to a cooler object.

• Heat transfer can occur through conduction, convection, or radiation.

• Conduction is the transfer of heat through direct contact between objects, like a metal spoon heating up in a hot drink.

• Convection is the transfer of heat through the movement of fluids, like boiling water in a pot.

• Radiation is the transfer of heat through electromagnetic waves, like the warmth felt from the sun.

• Heat transf...read more

Solvent extraction is a method used to separate compounds based on their solubility in different solvents.

• Solvent extraction involves mixing a sample with a solvent that can selectively dissolve the desired compound.

• The mixture is then separated into layers, with the compound of interest being extracted into the solvent layer.

• Common examples include extracting caffeine from coffee beans using water or extracting essential oils from plants using steam distillation.

Foundry technology is the process of creating metal castings by pouring molten metal into a mold and allowing it to solidify.

• Involves creating molds for casting metal

• Involves melting metal to pour into molds

• Includes processes like sand casting, investment casting, and die casting

Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.

• Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.

• The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and other properties.

• Common types of heat treatment include annealing, tempe...read more

The production department is responsible for manufacturing goods or providing services in a company.

• Responsible for overseeing the production process

• Coordinates with other departments such as procurement and quality control

• Ensures efficient use of resources to meet production targets

• May involve managing a team of workers and implementing production schedules

• Examples: manufacturing plants, service providers like restaurants or call centers

Safety equipment in a welding workshop includes protective clothing, eye and face protection, ventilation systems, and fire extinguishers.

• Protective clothing such as flame-resistant jackets, gloves, and aprons are essential to protect against burns and sparks.

• Eye and face protection like welding helmets, goggles, and face shields shield the eyes and face from intense light, sparks, and debris.

• Ventilation systems, such as exhaust fans or fume extractors, help remove hazardous ...read more

TPM stands for Total Productive Maintenance, a system that aims to maximize equipment effectiveness and minimize downtime.

• TPM involves regular maintenance and inspection of equipment

• It focuses on improving overall equipment effectiveness (OEE)

• TPM aims to involve all employees in the maintenance process

• Examples of TPM tools include visual management, autonomous maintenance, and planned maintenance

• TPM can lead to increased productivity, reduced downtime, and improved product qu...read more

Distillation is a process of separating components of a liquid mixture based on differences in boiling points.

• Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to condense it back into liquid form.

• The components with lower boiling points will vaporize first and be collected, while the components with higher boiling points will remain in the liquid phase.

• Common examples of distillation include the production of alcoholic beverages like wh...read more

Evaporation is the process by which a liquid turns into a gas due to heat energy.

• Evaporation occurs when molecules at the surface of a liquid gain enough energy to escape into the air.

• It is a cooling process as it removes heat from the liquid.

• Examples include water evaporating from a puddle on a hot day or sweat evaporating from our skin.

• Evaporation is an important part of the water cycle.

An arc furnace is a type of furnace that uses high-voltage electric arcs to melt metal and other materials.

• Uses high-voltage electric arcs to generate heat

• Commonly used for melting metal and other materials

• Can be used for recycling scrap metal

My acceptance is based on open-mindedness, empathy, and willingness to learn from others.

• I believe in being open-minded and accepting of different perspectives and ideas.

• I strive to show empathy and understanding towards others, regardless of their background or beliefs.

• I am always willing to learn from others and grow as a person through new experiences and knowledge.

Types of gears commonly used in gear boxes include spur gears, helical gears, bevel gears, and worm gears.

• Spur gears have straight teeth and are the simplest type of gear used in gear boxes.

• Helical gears have angled teeth for smoother and quieter operation.

• Bevel gears are used to change the direction of rotation.

• Worm gears are used for high reduction ratios and are self-locking.

• Other types of gears used in gear boxes include planetary gears, rack and pinion gears, and interna...read more

Entry coating percentage refers to the percentage of coating applied to a surface during the entry process.

• Entry coating percentage is a measure of the amount of coating material applied to a surface.

• It is typically expressed as a percentage of the total surface area covered by the coating.

• Higher entry coating percentages indicate a thicker coating layer, while lower percentages indicate a thinner layer.

• Entry coating percentages can vary depending on the specific coating mate...read more

Tablet coating percentage is the percentage of the tablet's surface that is covered with a coating material.

• Tablet coating percentage refers to the amount of the tablet's surface that is covered with a coating material.

• It is usually expressed as a percentage, indicating the proportion of the tablet's surface area that is coated.

• The coating can serve various purposes such as protecting the tablet from moisture, improving appearance, or facilitating swallowing.

• Different tablets...read more

Cash memory refers to a type of memory storage that is used in computer systems to temporarily store data that is frequently accessed.

• Cash memory is faster than regular RAM because it is located closer to the CPU.

• It helps improve the overall performance of the system by reducing the time needed to access frequently used data.

• There are different levels of cache memory, such as L1, L2, and L3, with each level having different capacities and speeds.

• Examples of cache memory inclu...read more

To become a successful opera singer and inspire others through my performances.

• My aim in life is to pursue a career as an opera singer.

• I want to excel in my craft and deliver captivating performances.

• I aspire to inspire others through the power of music.

• I am dedicated to continuous learning and improvement in my vocal abilities.

• I aim to perform in renowned opera houses and collaborate with talented musicians.

• I want to leave a lasting impact on the audience and evoke emotions ...read more

Panasonic and ASM are both electronics companies, but they have different specialties and product offerings.

• Panasonic is known for a wide range of consumer electronics products such as TVs, cameras, and home appliances.

• ASM, on the other hand, specializes in semiconductor manufacturing equipment and solutions.

• Panasonic has a larger global presence and brand recognition compared to ASM.

• ASM focuses more on industrial and business-to-business markets.

• Both companies have a strong ...read more

There are many types of steel, each with unique properties and uses.

• Carbon steel

• Stainless steel

• Alloy steel

• Tool steel

• High-speed steel

Operations refer to specific tasks or actions performed in a particular field or industry.

• Operations can vary depending on the industry, such as manufacturing, healthcare, or telecommunications.

• Examples of operations include production processes, customer service, inventory management, and network maintenance.

• Operations can be categorized into different types, such as strategic, tactical, or operational.

• In the medical field, operations can refer to surgical procedures or medi...read more

Types of gear boxes include manual, automatic, CVT, DCT, and AMT.

• Manual gear box requires the driver to manually shift gears using a clutch pedal and gear stick.

• Automatic gear box shifts gears automatically without the need for manual input.

• CVT (Continuously Variable Transmission) provides seamless gear shifts without distinct gear ratios.

• DCT (Dual Clutch Transmission) uses two separate clutches for faster and smoother gear changes.

• AMT (Automated Manual Transmission) combines...read more

SMT full process involves surface mount technology for electronic components.

• SMT involves placing electronic components directly onto the surface of a printed circuit board (PCB).

• Components are soldered onto the PCB using reflow soldering or wave soldering techniques.

• Inspection and testing are done to ensure proper placement and soldering of components.

• Common equipment used in SMT process includes pick-and-place machines, solder paste printers, and reflow ovens.