Metso Junior Engineer Interview Questions, Process, and Tips

Q1. What is refractories
Ans. 
Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.
• Refractories are made from materials such as clay, silica, alumina, and magnesia.

• They are used to line furnaces, kilns, and other high-temperature equipment to protect them from heat and corrosion.

• Refractories are classified based on their chemical composition, physical properties, an...read more
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Q2. How many types refractories
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There are three types of refractories: acidic, basic, and neutral.
• Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.

• Acidic refractories are made of materials like silica and alumina and are used in acidic environments.

• Basic refractories are made of materials like magnesia and dolomite and are used in basic environments.

• Neutral refrac...read more
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Q1. Density of slurry
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Density of slurry is the mass of the slurry per unit volume.
• Density of slurry is typically measured in kg/m^3 or lb/ft^3.

• It is calculated by dividing the mass of the slurry by its volume.

• The density of slurry can vary depending on the concentration of solids in the liquid.

• For example, a slurry with a high concentration of solids will have a higher density.
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Q2. SPL meaning and SEL meaning
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SPL stands for Sound Pressure Level and SEL stands for Sound Exposure Level.
• SPL is a measure of sound intensity relative to a reference level.

• SEL is a measure of sound exposure over a period of time, typically in decibels.

• Both SPL and SEL are commonly used in the field of acoustics and noise control.
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Q3. Whit is red area
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The red area typically refers to a section or region that is highlighted or marked in the color red.
• Red area can indicate danger or warning.

• In engineering, red areas on diagrams or blueprints may signify areas of high risk or critical components.

• Examples: red area on a map indicating a fire hazard zone, red area on a circuit diagram highlighting a high voltage section.
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Q1. Material science and Internal combustion engine Manufacturing processe
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Q1. Building construction
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Q2. Road construction
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Q1. Thermodynamics related questions Types of engine,boilers type and rac
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Q2. Types of engine with thier origin country
Ans. 
Various types of engines and their origin countries
• Internal Combustion Engine - Germany

• Steam Engine - United Kingdom

• Jet Engine - United States

• Electric Engine - Various countries

• Rocket Engine - Various countries
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Q1. Related our Work experience
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Q1. Related our Qualification
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Related our behaviour and future plan or policy

Q1. 1-Relief valve digram and it's function
Ans. 
A relief valve is a safety device used to control or limit pressure in a system by releasing excess pressure.
• Relief valves are commonly used in steam boilers, pressure vessels, and pipelines.

• They are designed to open and release excess pressure when the pressure inside the system exceeds a certain limit.

• This helps prevent damage to the system and ensures the safety of personnel working with the system.

• Relief valves can...read more
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Q2. Process flow digram of plate rolling mill
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A process flow diagram of a plate rolling mill
• Raw materials are loaded onto the mill

• The plate is rolled to the desired thickness and length

• The plate is then cooled and cut to size

• The finished product is inspected for quality

• The product is then packaged and shipped to customers
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