NBC Bearings Machine Operator and Maintenance Interview Questions and Answers for Freshers

TPM stands for Total Productive Maintenance. It is a systematic approach to equipment maintenance that aims to maximize productivity and minimize downtime.

• TPM focuses on proactive and preventive maintenance to keep equipment in optimal condition.

• It involves training employees to perform routine maintenance tasks and identify potential issues.

• TPM aims to eliminate equipment failures and breakdowns, leading to increased ...read more

Kanban is a lean manufacturing system that helps manage and improve workflow.

• Kanban originated in Japan and means 'visual signal' or 'card'.

• It uses visual cues, such as cards or boards, to signal when work should be started or completed.

• Kanban helps teams prioritize work, reduce waste, and improve efficiency.

• It is commonly used in software development, but can be applied to any industry.

• Kanban boards can be physical or...read more

Grinding is the process of removing material from a workpiece using an abrasive wheel or belt.

• Grinding is a common machining process used in manufacturing.

• It involves removing material from a workpiece using an abrasive wheel or belt.

• The goal of grinding is to achieve a smooth surface finish or to remove excess material.

• Grinding can be done manually or using a machine.

• Examples of grinding include surface grinding, cyli

Grinding defects refer to the problems that occur during the grinding process.

• Burns

• Cracks

• Chatter

• Glazing

• Loading

• Mismatch

• Tearing

Man power can be utilized by assigning tasks based on their skills and strengths.

• Identify the strengths and skills of each employee

• Assign tasks based on their strengths and skills

• Provide training and development opportunities to enhance their skills

• Encourage teamwork and collaboration

• Monitor progress and provide feedback

• Recognize and reward good performance

SMED stands for Single Minute Exchange of Die, a lean manufacturing technique to reduce setup time.

• SMED is a process to reduce the time it takes to changeover a production line from one product to another.

• It involves breaking down the setup process into smaller steps and finding ways to streamline them.

• The goal is to reduce setup time to less than 10 minutes, hence the name Single Minute Exchange of Die.

• Examples of SME...read more

Scrap reduction can be achieved by identifying the root cause of scrap, implementing process improvements, and training employees.

• Conduct a thorough analysis of the production process to identify the root cause of scrap

• Implement process improvements such as better quality control measures and equipment maintenance

• Train employees on proper handling and use of equipment to reduce errors and scrap

• Regularly monitor and tra...read more

The least count of a Vernier caliper is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the main scale and the Vernier scale.

• It is calculated by dividing the smallest division on the main scale by the total number of divisions on the Vernier scale.

• For example, if the smallest division on the main scale is 0.1 mm and the total number of divisions on the ...read more

The least count of a micrometer is the smallest measurement that can be read on the micrometer scale.

• The least count is determined by the number of divisions on the micrometer scale and the pitch of the screw.

• It is usually expressed in micrometers or millimeters.

• For example, if a micrometer has 50 divisions on the scale and the pitch of the screw is 0.5 mm, the least count would be 0.01 mm (0.5 mm / 50 divisions).

Tolerance refers to the allowable variation or deviation from a specified dimension or value.

• Tolerance is important in manufacturing to ensure that parts and components fit together properly.

• It is expressed as a range or limit within which a dimension or value can vary.

• Tolerance can be specified for various parameters such as size, shape, weight, temperature, etc.

• For example, if a machine part has a tolerance of ±0.1mm...read more