POSCO MAHARASHTRA STEEL Senior Production Manager Interview Questions and Answers

Grinding is controlled through various measures to ensure efficiency and quality.

• Regular monitoring of grinding process parameters such as speed, pressure, and temperature.

• Implementing preventive maintenance schedules to keep grinding equipment in optimal condition.

• Using quality control techniques like statistical process control to identify and address any deviations in grinding results.

• Training and educating operator...read more

Various problems can occur during running a plant, such as equipment breakdowns, supply chain disruptions, quality control issues, and safety hazards.

• Equipment breakdowns: Machinery can malfunction or break down, causing production delays.

• Supply chain disruptions: Issues with suppliers or logistics can lead to shortages or delays in raw materials or components.

• Quality control issues: Defects or inconsistencies in produ...read more

The iron ore beneficiation plant is a facility that processes iron ore to improve its quality and remove impurities.

• The plant uses various techniques such as crushing, grinding, magnetic separation, and flotation to separate the valuable minerals from the gangue.

• The beneficiation process aims to increase the iron content while reducing the impurities, making the ore suitable for steelmaking.

• The plant may also include f...read more

Hydrocyclone uses centrifugal force to separate particles from a liquid suspension.

• Hydrocyclone is a device used to separate particles from a liquid suspension.

• It works on the principle of centrifugal force.

• The suspension is fed tangentially into the hydrocyclone, creating a vortex.

• The centrifugal force causes the heavier particles to move towards the outer wall of the hydrocyclone.

• The lighter particles and the liquid ...read more

A filter press is a device used for solid-liquid separation in various industries.

• It consists of a series of filter plates with filter cloths.

• The plates are pressed together to form a sealed chamber.

• A slurry is pumped into the chamber, and the liquid passes through the filter cloth while the solids are retained.

• Once the filtration process is complete, the solids can be removed as a cake.

• Filter presses are commonly used...read more

The grinding media consumption per ton refers to the amount of grinding media used to grind one ton of material.

• Grinding media consumption per ton is a measure of efficiency in the production process.

• It is calculated by dividing the total grinding media consumption by the total amount of material processed.

• Lower grinding media consumption per ton indicates higher efficiency and cost-effectiveness.

• Examples of grinding m...read more

The grinding mill capacity refers to the maximum amount of material that can be processed by the mill in a given time period.

• Grinding mill capacity is typically measured in terms of tons per hour or pounds per hour.

• It is important to consider the type of material being processed, as different materials may have different grinding requirements and capacities.

• Factors that can affect grinding mill capacity include the siz...read more

Grinding coal size refers to the particle size of coal after it has been ground down.

• Grinding coal size is important for efficient combustion in power plants.

• The size of coal particles affects the combustion rate and heat release.

• Smaller coal particles burn more quickly and efficiently.

• Coal size can be controlled through grinding equipment and sieving techniques.

• Different coal sizes may be required for different applic...read more

Chemical analysis of coal involves determining its composition and properties.

• Chemical analysis of coal helps in understanding its quality and suitability for various applications.

• It involves determining the elemental composition, moisture content, volatile matter, ash content, and calorific value of coal.

• Various techniques like proximate analysis, ultimate analysis, and calorimetry are used for coal analysis.

• The resul...read more