Maintenance Supervisor

70+ Maintenance Supervisor Interview Questions and Answers

Updated 9 Dec 2024

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Q1. What qualities do you look for in the perfect piece of jewellery

Ans.

I look for qualities such as craftsmanship, uniqueness, and sentimental value in the perfect piece of jewellery.

  • Craftsmanship - attention to detail, quality materials

  • Uniqueness - one-of-a-kind design, rare gemstones

  • Sentimental value - emotional significance, personal connection

Q2. Who is CEO of khazana jewellery

Ans.

The CEO of Khazana Jewellery is Kishore Jain.

  • Kishore Jain is the CEO of Khazana Jewellery.

  • He has been leading the company with a focus on quality and customer satisfaction.

  • Under his leadership, Khazana Jewellery has expanded its presence and offerings in the market.

Maintenance Supervisor Interview Questions and Answers for Freshers

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Q3. What is electrician ? The fixed of all electrical instruments problem the electrician

Ans.

An electrician is a skilled tradesperson who installs, maintains, and repairs electrical systems and equipment.

  • Electricians work with a variety of electrical systems, including wiring, lighting, and control systems.

  • They must be able to read and interpret blueprints and technical diagrams.

  • Electricians must follow safety protocols and regulations to prevent accidents and injuries.

  • Examples of tasks an electrician may perform include installing new electrical systems, troubleshoo...read more

Q4. How you will save cost in maintenance? I will save cost from better solutions in terms of major issues.

Ans.

I will save cost by implementing preventive maintenance strategies, optimizing resources, and negotiating better deals with suppliers.

  • Implementing preventive maintenance schedules to avoid costly breakdowns

  • Optimizing resources by scheduling maintenance tasks efficiently

  • Negotiating better deals with suppliers for parts and services

  • Investing in training for maintenance staff to improve efficiency and reduce downtime

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Q5. What is Diesel Generator Ans - Diesel Generator is a Mechanical is divise mechanical and electrical changing friqancy

Ans.

A diesel generator is a mechanical device that converts diesel fuel into electrical energy.

  • Diesel generators are commonly used as backup power sources in case of power outages.

  • They work by burning diesel fuel to turn a turbine, which then generates electricity.

  • Diesel generators are often used in remote locations where there is no access to a power grid.

  • They are also used in industries such as construction, mining, and healthcare.

  • Maintenance of diesel generators includes regul...read more

Q6. Which technical uses in retail sector of jewellery

Ans.

Technical uses in retail sector of jewellery include inventory management systems, point of sale software, and security systems.

  • Inventory management systems help track stock levels and monitor sales trends.

  • Point of sale software streamlines transactions and helps manage customer data.

  • Security systems such as CCTV cameras and alarm systems help prevent theft and ensure the safety of valuable merchandise.

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Q7. What was normal problems with under the machine

Ans.

Normal problems under the machine include oil leaks, worn out belts, and damaged hoses.

  • Oil leaks from hydraulic systems

  • Worn out belts in conveyor systems

  • Damaged hoses in coolant systems

  • Buildup of debris and dust

  • Misaligned or damaged parts

  • Electrical issues with sensors and switches

Q8. Process monitoring equipments principles and selection methods.

Ans.

Process monitoring equipment principles involve understanding the purpose of monitoring, selecting appropriate equipment based on the process requirements, and ensuring accurate data collection.

  • Understand the specific parameters that need to be monitored in the process

  • Select equipment that is capable of measuring those parameters accurately

  • Consider factors such as range, accuracy, reliability, and ease of maintenance when selecting equipment

  • Ensure that the selected equipment ...read more

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Q9. Vibration monitor functioning and maint procedure test

Ans.

Vibration monitor functioning and maintenance procedure test involves checking the monitor's accuracy and ensuring proper maintenance procedures are followed.

  • Regularly calibrate the vibration monitor to ensure accurate readings

  • Inspect the monitor for any damage or wear and tear

  • Follow manufacturer's guidelines for maintenance procedures

  • Train staff on how to use and maintain the vibration monitor properly

Q10. How you will tackle the situation when got stuck with vehicle in night at jungle???

Ans.

I would assess the situation and try to find a way out while ensuring safety.

  • I would first try to assess the situation and determine if it is safe to stay in the vehicle or if it is necessary to leave and find help.

  • If it is safe to stay in the vehicle, I would try to conserve resources such as fuel and battery power.

  • I would also try to signal for help by using the vehicle's horn or lights.

  • If it is necessary to leave the vehicle, I would make sure to bring necessary supplies s...read more

Q11. Single phase voltage 220 but three phase 415 cause find

Ans.

Single phase voltage of 220V is different from three phase voltage of 415V. Explain the cause.

  • Single phase voltage has two conductors while three phase voltage has three conductors

  • The voltage levels are different due to the number of conductors used

  • Single phase voltage is commonly used in households while three phase voltage is used in industrial settings

  • The power delivered by three phase voltage is more efficient than single phase voltage

Q12. Find root cause Why why analysis

Ans.

Why-Why Analysis is a problem-solving technique used to identify the root cause of a problem by asking 'why' multiple times.

  • Why-Why Analysis involves asking 'why' at least five times to identify the root cause of a problem.

  • It helps to identify the underlying causes of a problem rather than just addressing the symptoms.

  • For example, if a machine breaks down, asking 'why' could reveal that it was due to lack of maintenance or faulty parts.

  • Why-Why Analysis can be used in conjunct...read more

Q13. How much the gravitational constant of earth?

Ans.

The gravitational constant of Earth is approximately 9.81 m/s^2.

  • The gravitational constant of Earth is a measure of the acceleration due to gravity on the surface of the Earth.

  • It is commonly denoted as 'g' and has an approximate value of 9.81 m/s^2.

  • This value can vary slightly depending on the location and altitude on Earth.

Q14. What are the different types of starters ?

Ans.

Different types of starters include direct on-line starters, star-delta starters, auto-transformer starters, and soft starters.

  • Direct on-line starters provide full voltage to the motor from the start.

  • Star-delta starters initially connect the motor in a star configuration to reduce starting current, then switch to delta configuration.

  • Auto-transformer starters use a transformer to reduce the voltage during starting, then switch to full voltage.

  • Soft starters gradually increase t...read more

Q15. What is company policy and facilities?

Ans.

Company policy and facilities refer to the rules and regulations set by the company and the physical resources provided to employees.

  • Company policy includes guidelines on employee behavior, dress code, attendance, and safety protocols.

  • Facilities refer to the physical resources provided by the company, such as office space, equipment, and amenities.

  • Examples of company policies may include a code of conduct, anti-discrimination policies, and procedures for reporting incidents.

  • F...read more

Q16. Heat exchanger reduce the heat what fundamental

Ans.

Heat exchangers reduce heat through fundamental principles of heat transfer.

  • Heat exchangers work based on the principles of conduction, convection, and radiation.

  • Conduction involves the transfer of heat through direct contact between materials.

  • Convection involves the transfer of heat through the movement of fluids or gases.

  • Radiation involves the transfer of heat through electromagnetic waves.

  • Heat exchangers use these principles to transfer heat from one fluid to another, with...read more

Q17. Types of pump. Which type of use in chemical plant. Break down handling

Ans.

There are various types of pumps used in chemical plants, including centrifugal, positive displacement, and metering pumps.

  • Centrifugal pumps are commonly used for transferring large volumes of liquids with low viscosity.

  • Positive displacement pumps are used for transferring high viscosity fluids and can handle solids and abrasive materials.

  • Metering pumps are used for precise dosing of chemicals and can handle corrosive and hazardous materials.

  • Other types of pumps used in chemi...read more

Q18. What will happen when vehicle not start?

Ans.

If a vehicle does not start, it could be due to various reasons such as a dead battery, faulty starter, or fuel pump issues.

  • Check the battery and connections to ensure they are clean and properly connected.

  • Check the starter motor and solenoid for any issues.

  • Check the fuel pump and fuel filter to ensure they are functioning properly.

  • Check the ignition system for any faults.

  • If necessary, tow the vehicle to a mechanic for further diagnosis and repair.

Q19. What percentage of pure gold

Ans.

The percentage of pure gold in an item is typically measured in karats, with 24 karat gold being 100% pure.

  • Pure gold is 24 karats, which is 100% gold.

  • 18 karat gold is 75% gold, 14 karat gold is 58.5% gold, and 10 karat gold is 41.7% gold.

  • The higher the karat, the higher the percentage of gold in the item.

Q20. Which jewellery brand store best

Ans.

Tiffany & Co. is considered one of the best jewellery brand stores.

  • Tiffany & Co. is known for its high-quality and luxurious jewellery pieces.

  • The brand has a long history of iconic designs and exceptional craftsmanship.

  • Tiffany & Co. is popular among celebrities and has a strong reputation in the industry.

Q21. What is melting point of tungsten?

Ans.

Tungsten has a melting point of 3,422 degrees Celsius.

  • Melting point of tungsten is 3,422 degrees Celsius

  • Tungsten has one of the highest melting points of all metals

  • It is commonly used in high-temperature applications such as light bulb filaments and aerospace components

Q22. How is maintenance repairing automobil engine

Ans.

Maintenance repairs automobile engines by diagnosing issues, replacing faulty parts, and conducting regular maintenance checks.

  • Diagnosing engine issues through visual inspection and diagnostic tools

  • Replacing faulty parts such as spark plugs, filters, and belts

  • Conducting regular maintenance checks to prevent future issues

  • Testing the engine after repairs to ensure proper functioning

Q23. Which types of working company and dealer

Ans.

Maintenance Supervisors typically work for manufacturing companies, property management companies, and equipment dealers.

  • Manufacturing companies

  • Property management companies

  • Equipment dealers

Q24. What is hyadralic DC volve working process

Ans.

A hydraulic DC valve controls the flow of hydraulic fluid in a hydraulic system by opening and closing to allow or restrict fluid flow.

  • Hydraulic DC valves are used in hydraulic systems to control the direction, pressure, and flow rate of hydraulic fluid.

  • They work by using an electric signal to open or close the valve, allowing fluid to flow in a specific direction or at a specific rate.

  • Some common types of hydraulic DC valves include directional control valves, pressure contr...read more

Q25. How much the escape velocity from earth?

Ans.

Escape velocity from Earth is approximately 11.2 km/s.

  • Escape velocity is the minimum speed needed for an object to break free from the gravitational attraction of a planet.

  • It is calculated using the formula: escape velocity = sqrt(2 * gravitational constant * mass of the planet / radius of the planet)

  • For Earth, the escape velocity is approximately 11.2 km/s.

  • Escape velocity varies depending on the planet's mass and radius.

Q26. What is EOT crane * Gantry crane sefferwncw

Ans.

EOT crane stands for Electric Overhead Traveling crane, while Gantry crane is a type of crane that is supported by legs and moves on rails.

  • EOT crane is typically used indoors for lifting and moving heavy loads along a fixed path.

  • Gantry crane is commonly used outdoors in shipyards, construction sites, and warehouses.

  • EOT crane is suspended from the ceiling and moves along a track, while Gantry crane has legs for support and moves on rails on the ground.

Q27. What is PDCA and do pdca

Ans.

PDCA is a continuous improvement model consisting of Plan, Do, Check, and Act.

  • PDCA is a problem-solving method used in various industries.

  • Plan: Identify the problem and plan a solution.

  • Do: Implement the plan.

  • Check: Evaluate the results and compare them to the expected outcome.

  • Act: Adjust the plan and repeat the cycle.

  • Example: A maintenance supervisor can use PDCA to improve the maintenance process by identifying the problem, implementing a solution, evaluating the results, an...read more

Q28. What gems and chasins best

Ans.

Gems and chasins are best for adding a touch of elegance and sophistication to any outfit or space.

  • Gems like diamonds, rubies, and sapphires are popular choices for jewelry due to their beauty and durability.

  • Chasins, or chains, can be made of various materials such as gold, silver, or platinum to complement the gemstones.

  • Combining gems and chasins in jewelry pieces can create stunning and eye-catching designs.

  • Gems and chasins can also be used in home decor, such as in chandel...read more

Q29. What is alluminium melting point?

Ans.

The melting point of aluminum is 660.32 degrees Celsius.

  • The melting point of aluminum is 660.32 degrees Celsius or 1220.58 degrees Fahrenheit.

  • Aluminum transitions from a solid to a liquid state at its melting point.

  • Maintaining the correct temperature is crucial when melting aluminum for casting or other processes.

Q30. Mechanical seal parameters,type of mechanical seal

Ans.

Mechanical seal parameters and types are important for efficient maintenance.

  • Mechanical seal parameters include seal face material, seal face loading, and seal face geometry.

  • Types of mechanical seals include pusher, non-pusher, cartridge, and split seals.

  • The type of mechanical seal used depends on the application and the fluid being sealed.

  • Proper selection and maintenance of mechanical seals can prevent leaks and reduce downtime.

Q31. What do you know about maintenance in hospitals ?

Ans.

Maintenance in hospitals involves ensuring the proper functioning of equipment, facilities, and systems to support patient care and safety.

  • Regular inspection and maintenance of medical equipment such as MRI machines, X-ray machines, and ventilators

  • Ensuring the cleanliness and functionality of patient rooms, operating rooms, and common areas

  • Managing HVAC systems, plumbing, and electrical systems to maintain a comfortable and safe environment for patients and staff

  • Emergency res...read more

Q32. How does work DG? Type of dg maintenance?

Ans.

DG maintenance involves regular inspections, servicing, and repairs of diesel generators to ensure they are functioning properly.

  • Regularly inspecting the diesel generator for any signs of wear or damage

  • Performing routine servicing such as oil changes, filter replacements, and coolant checks

  • Conducting load bank testing to ensure the generator can handle its rated capacity

  • Addressing any issues or malfunctions promptly to prevent downtime

  • Keeping detailed maintenance records for ...read more

Q33. Automation system functioning test

Ans.

The automation system functioning test is a critical process to ensure the proper operation of automated equipment.

  • Conduct regular testing of automation systems to identify any malfunctions or issues

  • Verify the functionality of sensors, actuators, controllers, and communication networks

  • Document test results and any necessary maintenance or repairs

  • Train staff on proper procedures for testing and troubleshooting automation systems

Q34. How may ports of hydralic DC volve

Ans.

Hydraulic DC valves can have multiple ports depending on the specific design and application.

  • Hydraulic DC valves can have 2, 3, 4, or more ports depending on the configuration.

  • Common configurations include 2-way, 3-way, and 4-way valves.

  • Each port serves a specific function such as inlet, outlet, or exhaust.

  • The number and type of ports determine the flow path and control capabilities of the valve.

Q35. How to hydralic flow volve how may holes

Ans.

The number of holes in a hydraulic flow valve depends on the specific design and purpose of the valve.

  • The number of holes in a hydraulic flow valve can vary depending on the size and type of valve.

  • Some hydraulic flow valves may have multiple holes for different functions, such as controlling flow rate or direction.

  • The number of holes in a hydraulic flow valve is typically determined by the manufacturer's design specifications.

  • It is important to refer to the valve's technical ...read more

Q36. Which type of maintenance knowledge

Ans.

There are three types of maintenance knowledge: corrective, preventive, and predictive.

  • Corrective maintenance involves fixing equipment after it has failed.

  • Preventive maintenance involves regularly scheduled maintenance to prevent equipment failure.

  • Predictive maintenance involves using data and analytics to predict when maintenance is needed.

  • A good maintenance supervisor should have knowledge of all three types of maintenance.

  • They should also be able to determine which type o...read more

Q37. How to maintained machinery spares.

Ans.

Maintaining machinery spares involves proper storage, inventory management, regular inspections, and timely replacements.

  • Create a detailed inventory of all machinery spares including part numbers, quantities, and locations.

  • Store spares in a designated area that is clean, organized, and easily accessible.

  • Implement a system for regular inspections to check for wear and tear, damage, or expiration dates.

  • Establish a schedule for timely replacements of spares to prevent unexpected...read more

Q38. how much crrunt in the three phase

Ans.

The current in a three-phase system depends on the load and the voltage of the system.

  • The current in a three-phase system can be calculated using the formula: I = P / (√3 x V x PF), where I is the current, P is the power, V is the voltage, and PF is the power factor.

  • The current in each phase of a balanced three-phase system is equal to the total current divided by √3.

  • The current in a three-phase system can vary based on the type of load (inductive, resistive, capacitive) and ...read more

Q39. how to test earth wir in the swich board

Ans.

To test earth wire in switchboard, use a multimeter to check for continuity and ensure proper grounding.

  • Use a multimeter set to continuity mode to check for a complete circuit between the earth wire and the ground

  • Ensure the switchboard is properly grounded to prevent electrical hazards

  • Check for any loose connections or damaged insulation on the earth wire

  • Verify that the earth wire is connected to the earth terminal on the switchboard

  • Perform regular maintenance checks to ensur...read more

Q40. How to handle multiple Works at a time

Ans.

Prioritize tasks based on urgency and importance, delegate when necessary, and communicate effectively with team members.

  • Prioritize tasks based on urgency and importance

  • Delegate tasks to team members when necessary

  • Communicate effectively with team members to ensure everyone is on the same page

  • Use tools such as project management software to keep track of multiple works

Q41. What is kaisen??

Ans.

Kaizen is a Japanese term for continuous improvement.

  • Kaizen involves making small, incremental changes to improve processes and increase efficiency.

  • It is a key principle of lean manufacturing and is used in many industries.

  • Kaizen encourages employee involvement and empowerment in the improvement process.

  • Examples of kaizen include implementing a new tool or process, rearranging a workspace for better flow, or reducing waste in a process.

  • Kaizen is a long-term approach to improv...read more

Q42. How does working STP, WTP?

Ans.

Working in STP and WTP involves overseeing the operation and maintenance of sewage treatment plants and water treatment plants.

  • Ensure proper functioning of equipment and systems

  • Monitor water quality and treatment processes

  • Implement maintenance schedules and repairs

  • Comply with environmental regulations

  • Train and supervise maintenance staff

  • Troubleshoot issues and implement solutions

Q43. 15 year experience in mechanical formen

Ans.

I have 15 years of experience as a mechanical foreman.

  • Managed a team of mechanics and technicians for 15 years

  • Implemented preventive maintenance programs to reduce downtime

  • Troubleshooted and repaired mechanical equipment

  • Trained new employees on safety procedures and equipment operation

Q44. Driving experience 10 years

Ans.

Yes, I have 10 years of driving experience.

  • I have been driving for 10 years and have a clean driving record.

  • I am familiar with various types of vehicles and their maintenance needs.

  • I have experience driving in different weather and road conditions.

  • I am comfortable driving long distances and have good time management skills.

  • I prioritize safety and follow all traffic laws and regulations.

Q45. What is current

Ans.

Current refers to the flow of electric charge in a circuit.

  • Current is measured in amperes (A)

  • It is the rate of flow of electric charge through a conductor

  • Direct current (DC) flows in one direction while alternating current (AC) changes direction periodically

  • Current can be dangerous and can cause electric shock or even death

Frequently asked in,

Q46. Which is a liquid metal.

Ans.

Mercury is a liquid metal at room temperature.

  • Mercury is the only metal that is liquid at room temperature

  • It has a silvery appearance

  • Mercury is commonly used in thermometers and barometers

Q47. What knowledge about computer

Ans.

As a Maintenance Supervisor, I have knowledge about computer hardware, software, and networking.

  • Proficient in troubleshooting computer hardware and software issues

  • Knowledge of operating systems such as Windows and Linux

  • Familiarity with networking concepts and protocols

  • Experience with computer maintenance and upgrades

  • Ability to manage and maintain computer inventory

  • Understanding of cybersecurity best practices

  • Proficiency in using Microsoft Office and other productivity softwar...read more

Q48. What is plc & Ladder logic

Ans.

PLC (Programmable Logic Controller) is a digital computer used for automation of electromechanical processes. Ladder logic is a programming language used to program PLCs.

  • PLC is a specialized computer used to control machinery and processes in industrial settings

  • Ladder logic is a programming language used to create programs for PLCs

  • Ladder logic uses graphical symbols to represent logic functions and control sequences

  • PLCs and ladder logic are commonly used in manufacturing, aut...read more

Q49. How to be maintained deciplin.

Ans.

Maintaining discipline requires clear expectations, consistent enforcement, positive reinforcement, and effective communication.

  • Set clear expectations for behavior and performance.

  • Consistently enforce rules and policies.

  • Provide positive reinforcement for good behavior.

  • Communicate effectively with team members about expectations and consequences.

  • Lead by example and demonstrate the behavior you expect from others.

Q50. Types of electricity...

Ans.

There are two types of electricity - AC and DC.

  • AC stands for Alternating Current and is used in homes and businesses.

  • DC stands for Direct Current and is used in batteries and electronic devices.

  • AC changes direction periodically, while DC flows in one direction.

  • AC is more efficient for long-distance power transmission, while DC is better for short distances.

  • AC voltage can be easily changed using transformers, while DC voltage cannot be changed as easily.

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