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Steel making process involves converting iron ore into steel through various methods like blast furnace or electric arc furnace.
Iron ore is first mined and then processed to remove impurities.
The purified iron ore is then melted in a blast furnace with coke and limestone to remove impurities and create molten iron.
The molten iron is then converted into steel through processes like basic oxygen furnace or electric arc f...
Alloy elements in steel making affect properties like strength, hardness, corrosion resistance, and more.
Carbon increases hardness and strength
Chromium improves corrosion resistance
Nickel enhances toughness and ductility
Manganese promotes hardenability
Molybdenum increases strength at high temperatures
Vanadium improves wear resistance
Silicon helps deoxidize the steel
I applied via Approached by Company and was interviewed in Aug 2024. There were 4 interview rounds.
NBC Bearings interview questions for popular designations
I was interviewed in Aug 2024.
Get interview-ready with Top NBC Bearings Interview Questions
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Two-stroke engines have power strokes every revolution, while four-stroke engines have power strokes every other revolution.
Two-stroke engines have a simpler design with fewer moving parts.
Four-stroke engines are more fuel efficient and produce less pollution.
Two-stroke engines are commonly used in small power tools and motorcycles.
Four-stroke engines are typically found in cars, trucks, and larger machinery.
I applied via Naukri.com and was interviewed in Nov 2023. There were 4 interview rounds.
50*10%+60*15%= 14. If A=5,B,=6,C=7......Z=30 then sum of these word BASKET
The least count of a micrometer is the smallest measurement that can be accurately 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, then the least count would be 0.01 mm (0.5 mm / 50
The types of defects in bearings include wear, corrosion, pitting, cracking, and misalignment.
Wear: Occurs due to friction and can lead to loss of material and increased clearance.
Corrosion: Caused by chemical reactions, leading to surface degradation and reduced performance.
Pitting: Localized surface damage caused by fatigue or contaminants, resulting in roughness and reduced load-carrying capacity.
Cracking: Can occur...
Face grinding is a machining process used to achieve smooth and precise surfaces on the face of a workpiece.
Face grinding involves removing material from the face of a workpiece using a grinding wheel.
It is commonly used in manufacturing industries to improve the flatness, parallelism, and surface finish of components.
The process can be performed manually or using automated grinding machines.
Face grinding is often used...
A type of bearing is a device that supports a rotating shaft and reduces friction between moving parts.
Bearings are used in various mechanical systems to enable smooth and efficient movement.
There are several types of bearings, including ball bearings, roller bearings, and plain bearings.
Ball bearings use balls to reduce friction and support radial and axial loads.
Roller bearings use cylindrical or tapered rollers to s...
A bearing is a mechanical component that supports the rotating shaft of a machine, allowing it to move smoothly and reduce friction.
Bearings are used in various applications such as automobiles, industrial machinery, and household appliances.
They consist of an inner and outer ring with rolling elements (balls or rollers) in between.
Bearings can be classified into different types such as ball bearings, roller bearings, ...
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
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