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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...
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
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...
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...
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...
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...
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...
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...
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posted on 4 Jul 2023
I applied via Company Website and was interviewed in Nov 2022. There were 2 interview rounds.
CI casting refers to cast iron casting, which is made from a composition of iron, carbon, and silicon.
CI casting stands for cast iron casting.
It is made from a composition of iron, carbon, and silicon.
The carbon content in CI casting is typically between 2.1% and 4%.
The silicon content in CI casting is typically between 1% and 3%.
CI casting is known for its excellent castability, good machinability, and high wear resis
The pouring temperature of high chrome metal is typically between 1,600 to 1,800 degrees Celsius.
High chrome metal is commonly used in applications that require high temperature resistance and corrosion resistance.
The pouring temperature is crucial to ensure proper flow and solidification of the metal.
The specific pouring temperature may vary depending on the exact composition of the high chrome metal and the desired p...
I applied via Referral and was interviewed before Feb 2022. There were 3 interview rounds.
General questions from graduation subjects & questions from Quantitative aptitude. Overall paper difficulty was at medium level.
Measuring instruments are used in various applications to accurately measure physical quantities.
Quality control in manufacturing processes
Monitoring and controlling environmental conditions
Testing and calibration of equipment
Research and development
Process optimization and efficiency improvement
Data collection and analysis
Safety and hazard detection
Medical diagnostics and patient monitoring
Different types of castings & their uses
Sand casting: used for large and complex shapes like engine blocks
Investment casting: used for intricate and detailed parts like jewelry
Die casting: used for high-volume production of small to medium-sized parts like car components
Centrifugal casting: used for cylindrical shapes like pipes and tubes
Continuous casting: used for producing long and continuous shapes like steel bille
Manufacturing processes are techniques used to transform raw materials into finished products.
Casting: pouring molten metal into a mold to create a solid object (e.g. automotive engine blocks)
Machining: removing material from a workpiece using cutting tools (e.g. CNC milling)
Forming: shaping materials through deformation (e.g. sheet metal bending)
Joining: combining multiple parts into a single entity (e.g. welding)
Addi...
First angle projection and third angle projection are two different methods used in mechanical drawings to represent a 3D object on a 2D plane.
First angle projection is commonly used in Europe and Asia, while third angle projection is commonly used in North America.
In first angle projection, the object is placed in the first quadrant and the views are projected onto the planes surrounding the object.
In third angle proj...
My name is John Doe, a Production Engineer with 5 years of experience in manufacturing industry.
Name: John Doe
Experience: 5 years in manufacturing industry
Role: Production Engineer
I applied via Job Portal and was interviewed in Mar 2023. There were 2 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
Stainless steel is a corrosion-resistant alloy made of iron, chromium, nickel, and other elements.
Stainless steel is known for its resistance to corrosion, rust, and staining.
It is commonly used in various industries such as construction, automotive, and food processing.
There are different grades of stainless steel, each with varying levels of corrosion resistance and strength.
Examples of stainless steel applications i...
Annealing is needed to relieve internal stresses, improve ductility, and soften the material for further processing.
Annealing helps to remove internal stresses in the material, making it more ductile and less prone to cracking.
It also helps to soften the material, making it easier to shape or machine.
Annealing can improve the microstructure of the material, leading to better mechanical properties.
Examples of materials ...
Discussed on my jobs profile
I applied via Naukri.com and was interviewed in Jul 2022. There was 1 interview round.
I applied via Campus Placement and was interviewed before Sep 2023. There were 3 interview rounds.
About Metallurgical Process
Blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals.
Blast furnace is used to produce metals like iron by smelting iron ore with coke and limestone.
The process involves the reduction of iron ore to iron using carbon monoxide produced from coke.
Air is blown into the furnace to increase the temperature and aid in the combustion of coke.
The molten iron produced is tapped from the...
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