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Earthing is the process of connecting electrical systems to the ground to prevent electric shock, while ground refers to the physical connection to the earth.
Earthing is specifically related to electrical systems, while ground can refer to any physical connection to the earth.
Earthing is used to prevent electric shock by providing a path for fault currents to flow safely into the ground.
Grounding can also refer to conn...
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posted on 23 Aug 2015
I applied via Campus Placement
posted on 23 Nov 2019
I applied via Walk-in and was interviewed in May 2019. There was 1 interview round.
posted on 6 May 2019
I was interviewed in May 2019.
There are several types of bricks used in construction, including clay bricks, concrete bricks, and fire bricks.
Clay bricks are the most common type of brick used in construction.
Concrete bricks are made from cement, sand, and water and are used for their strength and durability.
Fire bricks are designed to withstand high temperatures and are used in fireplaces, ovens, and kilns.
Other types of bricks include sand-lime b...
posted on 2 Sep 2017
A diesel generator works by converting diesel fuel into mechanical energy which is then converted into electrical energy.
Diesel fuel is injected into the combustion chamber where it ignites and creates high pressure gases that push the piston down, creating mechanical energy.
The mechanical energy is then converted into electrical energy through the use of an alternator.
The alternator uses a magnetic field and a conduct...
A diesel engine works by compressing air in the cylinder, which heats up and ignites the fuel injected into the cylinder.
Air is drawn into the cylinder and compressed by the piston
The compressed air heats up and ignites the fuel injected into the cylinder
The explosion pushes the piston down, which turns the crankshaft and powers the engine
Diesel engines are more efficient than gasoline engines because they compress the...
A train doesn't need a differential because its wheels are fixed to the same axle and rotate at the same speed.
Train wheels are fixed to the same axle
Wheels rotate at the same speed
Differential is used in vehicles with wheels that rotate at different speeds
Differential allows for smooth turning
Petrol engines have lower compression ratios compared to diesel engines.
Petrol engines have lower compression ratios to prevent knocking or detonation.
Diesel engines have higher compression ratios to ignite the fuel without spark plugs.
Higher compression ratios in diesel engines result in better fuel efficiency and torque.
Petrol engines require lower compression ratios to accommodate the lower octane rating of petrol f...
posted on 13 Mar 2024
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
Simple aptitude and domain quetions
I applied via Walk-in and was interviewed in Aug 2021. There was 1 interview round.
Low width of coil can affect performance, increasing it can improve efficiency.
Low coil width can lead to poor heat transfer and reduced efficiency
Increasing coil width can improve heat transfer and increase efficiency
Factors such as space constraints and cost may limit the ability to increase coil width
Heat variation in HF plant can be controlled through various methods.
Maintaining proper insulation in the plant
Using heat exchangers to transfer heat from one process to another
Implementing a control system to monitor and adjust temperature
Regular maintenance and cleaning of equipment to prevent heat buildup
Using cooling towers or water sprays to reduce temperature
Optimizing the plant layout to minimize heat transfer b
Improper rolls elongation can cause waveness in pipes during production.
Rolls elongation is the process of stretching the metal sheet to the desired thickness.
If the elongation is not proper, it can cause uneven thickness and waveness in the pipes.
This can lead to defects in the final product and affect its performance.
Proper calibration and maintenance of the rolling equipment can prevent this issue.
Regular inspection...
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
The process of production involves transforming raw materials into finished products through various stages.
Identifying raw materials needed for production
Designing the production process
Manufacturing the product
Quality control checks
Packaging and distribution
Continuous improvement of production process
The final production process involves the last steps in manufacturing a product before it is ready for distribution.
Final inspection and quality control checks are conducted to ensure the product meets specifications.
Packaging and labeling are completed to prepare the product for shipping.
Any necessary finishing touches or assembly steps are done to complete the product.
Documentation and record-keeping are finalized to...
I applied via Campus Placement and was interviewed in Jan 2023. There were 2 interview rounds.
A lathe machine is used to shape metal or wood by rotating it against a cutting tool. A milling machine is used to cut and shape solid materials.
Lathe machine rotates the workpiece while the cutting tool remains stationary
Milling machine uses a rotating cutting tool to remove material from a stationary workpiece
Lathe machine is used for turning, drilling, facing, and threading operations
Milling machine is used for cutt...
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. A CNC machine is a computer-controlled machine tool used for cutting various materials.
Transformers are used to step up or step down voltage levels in electrical circuits.
CNC machines use computer programs to control the movement of cutting tools.
Transformers are commonly used in power ...
posted on 24 Jan 2025
I was interviewed in Dec 2024.
Vice, gauge, and file are common tools used in mechanical engineering.
Vice is a mechanical device used to hold workpieces securely in place during machining or assembly.
Gauge is a tool used for measuring dimensions or checking the accuracy of machined parts.
File is a tool used for removing material by abrasion, typically used for smoothing or shaping workpieces.
There are several types of files including flat, round, ha
Hacking is the process of cutting or shaping materials using a hacksaw. There are different types of hacksaws for various purposes, including deep hacksaws for cutting thick materials.
Hacking is the process of cutting or shaping materials using a hacksaw
Types of hacksaws include junior hacksaw, coping saw, and power hacksaw
Deep hacksaws are used for cutting thick materials like metal pipes or rods
A punch is a tool used to create holes or indentations in materials. Safety measures are important to prevent accidents. There are various types of safety measures.
A punch is a hand tool with a sharp end used to create holes in materials like metal or leather.
Types of punches include center punch, pin punch, and drive punch.
Safety measures when using punches include wearing safety goggles, using proper technique, and s...
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