50+ Interview Questions and Answers

5S is a methodology used in industries to improve workplace organization and efficiency.

• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It focuses on organizing the workplace, eliminating waste, and maintaining cleanliness.

• Sort involves removing unnecessary items from the workplace.

• Set in Order involves arranging necessary items in a logical and efficient manner.

• Shine involves cleaning and maintaining the workplace.

• Standardize involves establishing guideline...read more

The first step would be to assess the situation and ensure the safety of the employees and customers.

• Assess the situation and determine the level of threat

• Contact the local authorities or security personnel for assistance

• Ensure the safety of employees and customers by following established protocols

• Avoid confrontation and try to de-escalate the situation if possible

• Document any incidents or interactions with the local goons for future reference

Bearings are used to reduce friction and support rotating or moving parts in machinery.

• There are several types of bearings, including ball bearings, roller bearings, and plain bearings.

• Ball bearings use balls to reduce friction between the moving parts.

• Roller bearings use cylindrical rollers to support heavy loads.

• Plain bearings have a sliding surface and are used in applications where low friction is required.

• Other types of bearings include thrust bearings, needle bearings, ...read more

The temperature at which a thermostat valve opens depends on the specific application and type of valve.

• Thermostat valves can open at different temperatures depending on the application.

• The opening temperature can range from below freezing to several hundred degrees Fahrenheit.

• The type of valve, such as a wax pellet or bimetallic strip valve, can also affect the opening temperature.

• For example, a thermostat valve in a car engine may open at around 195°F to regulate coolant fl...read more

The 8th pillar of TQM is continuous improvement.

• Continuous improvement is the ongoing effort to improve products, services, and processes.

• It involves constantly seeking ways to enhance quality, efficiency, and customer satisfaction.

• Examples of continuous improvement practices include Kaizen, Six Sigma, and Lean methodologies.

IAFT stands for Institute of Advanced Film and Television. It is an educational institution that offers courses in film and television production.

• IAFT is located in Cebu, Philippines.

• It offers diploma and certificate courses in film and television production.

• The courses cover various aspects of production such as screenwriting, directing, cinematography, and editing.

• IAFT has state-of-the-art facilities including sound stages, editing suites, and equipment.

• Graduates of IAFT ha...read more

The 7 QC tools are a set of basic quality control tools used to identify and solve quality problems.

• Check sheets

• Control charts

• Histograms

• Pareto charts

• Scatter diagrams

• Stratification

• Cause-and-effect diagrams

The register maintained at a security control room is a logbook that records all activities and incidents.

• The register includes details such as the date, time, and nature of each incident or activity.

• It may also include information about the personnel involved and any actions taken.

• Examples of entries in the register could be incidents of unauthorized access, equipment malfunctions, or emergency situations.

• The register serves as a valuable reference for monitoring and analyzi...read more

Four-stroke and two-stroke engines differ in their operating cycles and efficiency.

• Four-stroke engines have separate intake, compression, power, and exhaust strokes, while two-stroke engines combine these strokes.

• Four-stroke engines are more fuel-efficient and produce less pollution compared to two-stroke engines.

• Two-stroke engines have a simpler design and are lighter, making them suitable for applications where weight and size are critical.

• Examples of four-stroke engines in...read more

Carnot cycle is a theoretical thermodynamic cycle that operates between two heat reservoirs to achieve maximum efficiency.

• Carnot cycle consists of four reversible processes: isothermal expansion, adiabatic expansion, isothermal compression, and adiabatic compression.

• The efficiency of Carnot cycle is given by the formula: Efficiency = 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir.

• Carnot cycle is an idealized cycle...read more

OEE can be calculated by multiplying Availability, Performance, and Quality percentages.

• Calculate Availability by dividing Operating Time by Planned Production Time.

• Calculate Performance by dividing Actual Production by Maximum Production.

• Calculate Quality by dividing Good Units by Total Units Produced.

• Multiply Availability, Performance, and Quality percentages to get OEE.

Shaft alignment is critical for proper functioning of machinery. Various methods like laser alignment, dial indicator alignment, etc. can be used.

• Shaft alignment is important for smooth operation of machinery.

• Laser alignment is a popular method for shaft alignment.

• Dial indicator alignment is another method used for shaft alignment.

• Proper installation and maintenance of bearings can also help in shaft alignment.

• Misalignment can cause vibration, noise, and premature failure of ...read more

FTP can be increased by optimizing network settings and using a faster internet connection.

• Optimize network settings by reducing latency and packet loss

• Use a faster internet connection with higher bandwidth

• Consider upgrading hardware such as routers and network cards

• Use FTP accelerators or compression tools to improve transfer speeds

Types of bearings include ball, roller, plain, and thrust. Types of pumps include centrifugal, positive displacement, and axial flow. Types of valves include gate, globe, ball, and butterfly. Casting techniques include sand casting, investment casting, and die casting.

• Types of bearings: ball, roller, plain, thrust

• Types of pumps: centrifugal, positive displacement, axial flow

• Types of valves: gate, globe, ball, butterfly

• Casting techniques: sand casting, investment casting, die ...read more

5S is a workplace organization method focusing on efficiency and safety. TPM (Total Productive Maintenance) is a strategy for maximizing equipment effectiveness.

• 5S stands for Sort, Set in Order, Shine, Standardize, Sustain

• TPM involves proactive and preventive maintenance to keep equipment running smoothly

• Implementing 5S helps create a clean and organized work environment, reducing waste and improving productivity

• TPM aims to minimize equipment downtime and breakdowns through r...read more

Safety in the workplace refers to the measures taken to prevent accidents, injuries, and illnesses among employees.

• Safety in the workplace is important to protect the well-being of employees.

• Following safety protocols can prevent accidents and injuries, reducing downtime and increasing productivity.

• Compliance with safety regulations can also help avoid legal issues and financial penalties.

• Creating a culture of safety can improve employee morale and retention.

• Examples: wearing...read more

7QC tools are essential for quality control and improvement in manufacturing processes.

• Helps in identifying and solving quality-related problems

• Provides a systematic approach to data analysis

• Improves decision-making based on data-driven insights

• Enhances overall quality management practices

• Examples: Pareto chart, Ishikawa diagram, Control charts

Newton's second law of motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

• F = ma, where F is the net force, m is the mass of the object, and a is the acceleration

• The direction of the acceleration is the same as the direction of the net force

• The SI unit of force is Newton (N)

• Example: A car accelerates faster when a greater force is applied to it

The least count of a manual vernier caliper is 0.02 mm.

• The least count is the smallest measurement that can be read on the instrument.

• In a manual vernier caliper, the main scale has graduations of 1 mm.

• The vernier scale has 50 divisions, each of which is 0.02 mm.

• To read the measurement, align the zero mark on the vernier scale with the closest mark on the main scale.

• The number of the mark on the vernier scale that lines up with a mark on the main scale gives the measurement.

A paint shop process audit report is a document that evaluates the efficiency and effectiveness of the paint shop process.

• The report should include an overview of the paint shop process and its objectives.

• It should evaluate the process for compliance with safety regulations and environmental standards.

• The report should identify any areas of improvement and provide recommendations for corrective actions.

• It should also include data on the quality of the finished product and any...read more

An engine is a machine that converts energy into mechanical force or motion.

• Engines are used in various applications such as automobiles, aircraft, and power plants.

• They typically work by burning fuel to generate heat, which is then converted into mechanical energy.

• There are different types of engines, including internal combustion engines, steam engines, and electric engines.

• Examples of engines include car engines, jet engines, and steam locomotive engines.

Total productive maintenance (TPM) is a proactive approach to maintenance that aims to maximize equipment effectiveness.

• TPM focuses on preventing breakdowns and improving overall equipment efficiency

• It involves regular maintenance, cleaning, and inspection of equipment

• TPM also includes training operators to perform basic maintenance tasks

• The goal of TPM is to eliminate unplanned downtime and improve productivity

• Examples of TPM tools include autonomous maintenance, planned mai...read more

An alloy is a mixture of two or more metals or a metal and a non-metal.

• Alloys are created to enhance the properties of metals, such as strength, durability, and resistance to corrosion.

• Examples of alloys include brass (copper and zinc), bronze (copper and tin), and steel (iron and carbon).

• Alloys can also be created by adding small amounts of other elements to a metal, such as aluminum to titanium to create a stronger and lighter alloy.

• Alloys are commonly used in various indus...read more

PDI report stands for Pre-Delivery Inspection report which is a checklist used to ensure that a product is ready for delivery.

• PDI report is used to check the quality of a product before delivery

• It is a checklist that includes all the necessary items that need to be inspected

• PDI report is commonly used in the automotive industry to ensure that vehicles are ready for delivery

• It can also be used in other industries such as electronics, appliances, and furniture

• The report include...read more

Centrifugal and reciprocating are two types of machines used in various industries.

• Centrifugal machines use centrifugal force to generate power, such as centrifugal pumps and centrifugal compressors.

• Reciprocating machines use a back-and-forth motion to generate power, such as reciprocating engines and reciprocating compressors.

• Centrifugal machines are generally used for high flow rate and low-pressure applications, while reciprocating machines are used for low flow rate and h...read more

A silencer is a device that reduces the noise produced by a machine or engine.

• Silencers are commonly used in automobiles to reduce the noise produced by the exhaust system.

• They work by using a series of chambers and baffles to absorb and dissipate sound waves.

• Silencers are also used in firearms to reduce the noise of the gunshot.

• They are typically made of metal and can be attached to the end of the barrel.

• Silencers are regulated by law in many countries and require a special ...read more

Types of pumps include centrifugal, reciprocating, and rotary pumps. The function of a pump is to move fluids from one place to another.

• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Reciprocating pumps use a piston or diaphragm to move fluid through a system.

• Rotary pumps use rotating mechanisms to displace fluid.

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

• The function of a pump is to generate flow and pres...read more

The three laws of thermodynamics describe the relationships between energy, heat, and work in a system.

• First Law: Energy cannot be created or destroyed, only transferred or converted.

• Second Law: Heat naturally flows from hot to cold objects, and not the other way around.

• Third Law: As temperature approaches absolute zero, the entropy of a perfect crystal approaches zero.

Sheet metal work involves cutting, bending, and shaping thin metal sheets to create various products and components.

• Involves cutting, bending, and shaping thin metal sheets

• Commonly used in manufacturing of car bodies, aircraft wings, household appliances, etc.

• Requires specialized tools such as shears, press brakes, and rollers

• Can involve processes like punching, stamping, welding, and finishing

The 7 QC tools are a set of problem-solving tools used in quality management to identify and solve quality-related issues.

• Check sheets: Used to collect and organize data for analysis.

• Pareto charts: Used to prioritize problems by their frequency or impact.

• Cause-and-effect diagrams: Used to identify and analyze potential causes of a problem.

• Histograms: Used to visualize the distribution of data.

• Scatter diagrams: Used to identify relationships between two variables.

• Control chart...read more

The automobile steering system allows the driver to control the direction of the vehicle by turning the steering wheel.

• The steering wheel is connected to the steering column, which is connected to the steering gear.

• The steering gear converts the rotational motion of the steering wheel into linear motion to turn the wheels.

• Power steering systems use hydraulic or electric assistance to make steering easier for the driver.

• Rack and pinion steering systems are commonly used in mod...read more

Fi problem on alloy wheels

• Check for any cracks or damages on the wheels

• Inspect the tire pressure and alignment

• Ensure that the lug nuts are tightened properly

• Consider balancing the wheels

• Consult with a specialist if the issue persists

Different types of casting include sand casting, investment casting, die casting, and continuous casting.

• Sand casting involves pouring molten metal into a sand mold

• Investment casting uses a wax pattern that is coated in ceramic and then melted out to create a mold

• Die casting involves injecting molten metal into a mold under high pressure

• Continuous casting is used for producing long lengths of metal with a constant cross-section

Casting is a manufacturing process in which a liquid material is poured into a mold and allowed to solidify.

• Casting is used to create complex shapes that would be difficult or impossible to make using other methods.

• The liquid material used for casting can be metal, plastic, or even concrete.

• The mold used for casting can be made of various materials, including sand, plaster, and ceramic.

• After the material has solidified, the mold is removed to reveal the finished product.

• Casti...read more

The base of planning is setting clear goals and objectives.

• Setting specific, measurable, achievable, relevant, and time-bound (SMART) goals

• Identifying resources needed to achieve the goals

• Creating a timeline for completion

• Regularly monitoring progress and making adjustments as needed

PLC stands for Programmable Logic Controller. There are various types of PLCs available in the market, each with its own unique features and capabilities. Some common types include modular PLCs, compact PLCs, and rack-mounted PLCs. There are also different software programs used to program and control PLCs.

• Types of PLCs include modular PLCs, compact PLCs, and rack-mounted PLCs

• Common software programs for PLC programming include Siemens TIA Portal, Allen-Bradley RSLogix, and M...read more

Production planning is the process of organizing resources, scheduling tasks, and coordinating activities to ensure efficient production of goods.

• Involves determining what products to produce, in what quantities, and when

• Includes creating production schedules, allocating resources, and setting timelines

• Balances demand with available resources to meet customer needs

• Utilizes forecasting, inventory management, and capacity planning

• Examples: creating a production schedule for a m...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to the input voltage source, while the secondary coil is connected to the output load.

• Transformers work on the principle of electromagnetic induction, where...read more

A thermostat is a device that regulates temperature by turning heating or cooling systems on or off.

• Thermostat is used to maintain a desired temperature in a room or a building.

• It works by sensing the temperature and then turning the heating or cooling system on or off accordingly.

• Thermostats can be manual or programmable, with the latter allowing users to set different temperatures for different times of the day.

• Examples of thermostats include Nest, Honeywell, and Ecobee.

To solve a problem, it is important to first identify the root cause, brainstorm potential solutions, evaluate each solution, and implement the best one.

• Identify the root cause of the problem

• Brainstorm potential solutions

• Evaluate each solution based on feasibility and impact

• Implement the best solution and monitor its effectiveness

MTTR stands for Mean Time To Repair in maintenance, it is the average time taken to repair a failed component or system.

• MTTR is a key metric used to measure the maintainability of a system or equipment.

• It is calculated by dividing the total downtime by the number of failures.

• MTTR helps in identifying areas for improvement in maintenance processes.

• For example, if a machine is down for a total of 10 hours due to 2 breakdowns, the MTTR would be 5 hours (10 hours / 2 breakdowns).

Pascal's law states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid and to the walls of its container.

• Pressure applied to a confined fluid is transmitted equally in all directions

• The pressure at any point in a fluid is the same in all directions

• Used in hydraulic systems to generate force or motion

• Example: Hydraulic car lift operates based on Pascal's law

Bernoulli's theorem states that in a steady flow of fluid, the sum of pressure energy, kinetic energy, and potential energy per unit volume remains constant.

• Describes the relationship between pressure, velocity, and elevation in a fluid flow

• Used to analyze fluid flow in pipes, pumps, and other hydraulic systems

• Can be applied to calculate pressure drop in a pipe or the lift of a pump

Computer numerical control increases precision and efficiency in manufacturing processes.

• CNC machines use computer programs to control the movement of tools and machinery, resulting in more accurate and consistent production.

• CNC technology allows for faster production times and reduced waste materials.

• Examples of CNC machines include lathes, mills, routers, and plasma cutters.

• CNC programming skills are highly valued in the manufacturing industry.

A relay is an electrically operated switch that controls the flow of electricity in a circuit.

• Relays are used to control high power circuits with low power signals.

• They consist of a coil and one or more sets of contacts.

• Relays can be used for various applications such as controlling motors, lights, and appliances.

• Common types of relays include electromagnetic relays, solid-state relays, and reed relays.

A motor is a device that converts electrical energy into mechanical energy to produce motion.

• Motors can be found in various applications such as electric vehicles, industrial machinery, and household appliances.

• There are different types of motors including DC motors, AC motors, and stepper motors.

• Motors consist of a rotor and a stator, with the rotor rotating inside the stator to generate motion.

• Examples of motors include electric fans, washing machine motors, and car engines...read more

Mechanical press is a machine that uses pressure to shape or cut materials.

• Mechanical press uses a motor to power a flywheel that stores energy and transfers it to the ram to apply pressure on the material.

• It can be used for various applications such as punching, blanking, bending, and forming.

• The press can be operated manually or automatically depending on the type of press.

• Safety measures such as guards and emergency stop buttons should be in place to prevent accidents.

Types of value

• Intrinsic value: inherent worth of a product or service

• Extrinsic value: value derived from external factors like brand reputation

• Perceived value: subjective value based on customer perception

• Economic value: value determined by supply and demand

• Functional value: value derived from the functionality of a product or service

A servo drive is an electronic amplifier used to power and control servo motors in automation systems.

• Converts low-power control signals into high-power signals to move the servo motor

• Provides precise control over speed, position, and torque of the motor

• Commonly used in robotics, CNC machines, and industrial automation

• Helps in achieving accurate and repeatable motion control

VFD stands for Variable Frequency Drive, which controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.

• VFDs convert fixed frequency AC power to variable frequency AC power

• They control motor speed by adjusting the frequency of the power supplied

• VFDs can improve energy efficiency and reduce wear and tear on motors

• Common applications include HVAC systems, pumps, and conveyor belts

Pneumatic cylinders are devices that use compressed air to produce linear motion.

• Single-acting cylinders: air pressure is used in one direction only

• Double-acting cylinders: air pressure is used in both directions

• Rotary cylinders: convert air pressure into rotational motion

• Tandem cylinders: two cylinders connected in series for increased force

• Telescoping cylinders: multiple stages for extended reach

• Rodless cylinders: piston is replaced by a carriage

• Impact cylinders: designed f...read more

8D problem solving tool is a structured approach to identify, correct, and prevent recurring problems.

• 8D stands for 8 disciplines, each representing a step in the problem-solving process

• Steps include defining the problem, forming a team, identifying root causes, implementing corrective actions, and preventing recurrence

• Used in industries like automotive, manufacturing, and healthcare to address quality issues

• Example: A manufacturing company uses 8D tool to investigate defects...read more

Core tools of quality include Six Sigma, Lean, Total Quality Management, and Statistical Process Control.

• Six Sigma focuses on reducing defects and improving processes.

• Lean aims to eliminate waste and improve efficiency.

• Total Quality Management emphasizes continuous improvement and customer satisfaction.

• Statistical Process Control involves monitoring and controlling processes using statistical methods.