Lloyds Metals And Energy Mechanical Maintenance Engineer Interview Questions and Answers

Q1. What are type of crane used
Ans. 
Various types of cranes are used in mechanical maintenance, including overhead cranes, gantry cranes, jib cranes, and mobile cranes.
• Overhead cranes are commonly used in industrial settings for lifting and moving heavy loads.

• Gantry cranes are used in shipyards and construction sites for lifting and moving large objects.

• Jib cranes are often used in workshops and warehouses for precise lifting and positioning of materials...read more
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Q2. What are type of loading on bearing
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Types of loading on bearings include radial load, axial load, and moment load.
• Radial load: Load acting perpendicular to the axis of rotation.

• Axial load: Load acting parallel to the axis of rotation.

• Moment load: Load causing bending or twisting of the bearing.

• Combination loading: Bearings may experience a combination of radial, axial, and moment loads.

• Examples: Radial load on a wheel bearing, axial load on a thrust bear
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Q3. What type of heat treatment to be done on tube mill shaft
Ans. 
The tube mill shaft should undergo heat treatment to improve its strength and durability.
• The most common heat treatment for tube mill shafts is quenching and tempering.

• Quenching involves heating the shaft to a high temperature and then rapidly cooling it in water or oil to increase its hardness.

• Tempering is done after quenching to reduce the brittleness caused by the rapid cooling process.

• Other heat treatment methods l...read more
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Q4. What do you understand by Pickling process
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Pickling process is a metal surface treatment method to remove impurities and improve corrosion resistance.
• Pickling is a chemical process used to remove impurities like stains, rust, and scale from metal surfaces.

• It involves immersing the metal in an acidic solution, such as hydrochloric acid or sulfuric acid.

• The process helps to improve the metal's corrosion resistance and prepare it for further treatments like painti...read more
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Q5. What happen in cold rolling mill process to structure of steel
Ans. 
In cold rolling mill process, the structure of steel is altered through compression and deformation.
• Cold rolling reduces the thickness of steel by compressing it between rollers

• This process increases the strength and hardness of the steel

• Grain structure of the steel becomes elongated and aligned in the direction of rolling

• Cold rolling can also improve the surface finish and dimensional accuracy of the steel

• Examples: Co...read more
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Q6. How Centrifugal pump work
Ans. 
Centrifugal pumps work by converting mechanical energy from a motor into kinetic energy to move fluid through the pump.
• Centrifugal force is created by the rotation of the pump impeller, which pushes the fluid towards the outer edges of the pump casing.

• The kinetic energy of the fluid increases as it moves through the pump, creating pressure that forces the fluid out of the pump discharge.

• Centrifugal pumps are commonly u...read more
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Q7. Tube mill roll materail and their root dia
Ans. 
Tube mill rolls are typically made of high-quality alloy steel or tool steel, with varying root diameters depending on the specific application.
• Tube mill rolls are commonly made of materials such as high-quality alloy steel or tool steel for durability and wear resistance.

• The root diameter of tube mill rolls can vary depending on the specific requirements of the milling process.

• Examples of tube mill roll materials incl...read more
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Q8. Gear box ratio and output power
Ans. 
Gear box ratio determines the relationship between input and output speeds, while output power is the amount of work done per unit of time.
• Gear box ratio is the ratio of the number of teeth on the input gear to the number of teeth on the output gear.

• Output power is the product of the force applied and the distance over which the force is applied per unit of time.

• For example, if a gear box has a ratio of 2:1 and the inp...read more
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Q1. Responsibility,projects handeled work life balance timing for job completion
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Q2. What qas your role in organisation
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How third party inspection and how to quality control of material verification SAP working etc

Q1. After successful interview HR throw the question all process control and payment negotiate
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Q2. All company policy of payment status
Ans. 
Company policy on payment status includes guidelines for timely payments, penalties for late payments, and methods of payment.
• Company policy should outline the timeline for payment submission and processing

• There may be penalties for late payments, such as interest charges or suspension of services

• Accepted methods of payment should be clearly stated in the policy
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Q3. How Thirdparty inspection
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Third-party inspection involves hiring an external organization to assess the quality and compliance of products or services.
• Third-party inspection helps ensure impartiality and objectivity in evaluating the quality of products or services.

• These inspections are often conducted by specialized organizations with expertise in specific industries.

• Third-party inspectors provide independent verification of compliance with re...read more
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Q4. How to handle clients
Ans. 
Handle clients with professionalism, communication, and empathy.
• Listen actively to understand their needs and concerns.

• Communicate clearly and effectively to manage expectations.

• Show empathy and understanding to build rapport and trust.

• Be proactive in addressing any issues or concerns they may have.

• Follow up to ensure satisfaction and maintain a positive relationship.
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Q5. How to all man power
Ans. 
To allocate manpower efficiently, assess project requirements, assign tasks based on skills, monitor progress, and adjust as needed.
• Assess project requirements to determine manpower needs

• Assign tasks based on individual skills and strengths

• Monitor progress regularly to ensure tasks are being completed on time

• Adjust manpower allocation as needed based on project changes or unforeseen circumstances
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Q1. In hand Salary expected and Current Salary
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Q1. About Iron and steel Quality.
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Q1. Description of DI Pipes
Ans. 
DI pipes, or ductile iron pipes, are strong, durable pipes used for water and wastewater applications.
• Made from ductile iron, which offers high tensile strength and flexibility.

• Commonly used in water distribution and sewage systems.

• Resistant to corrosion, especially when coated with protective layers.

• Available in various diameters, typically ranging from 3 to 64 inches.

• Examples include the use of DI pipes in municipal
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Q2. Type of DI Pipes
Ans. 
DI pipes, or Ductile Iron pipes, are strong, durable pipes used for water and wastewater applications.
• Ductile Iron pipes are known for their high tensile strength and flexibility.

• They are commonly used in water distribution systems and sewage systems.

• DI pipes can be coated with materials like cement or epoxy for corrosion resistance.

• They come in various sizes, typically ranging from 3 inches to 64 inches in diameter.

• Ex...read more
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