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Alstom Transportation
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I was interviewed before Jul 2019.
posted on 17 Nov 2021
I applied via Campus Placement and was interviewed before Nov 2020. There were 3 interview rounds.
Gears are mechanical components that transmit power and motion between rotating shafts. There are various types of gears.
Spur gears are the most common type and have straight teeth.
Helical gears have angled teeth and provide smoother operation.
Bevel gears transmit power between shafts that are not parallel.
Worm gears have a screw-like thread and are used for high reduction ratios.
Planetary gears have a central gear tha...
Stress is the force applied per unit area, while strain is the deformation caused by stress.
Stress is measured in units of force per unit area, such as pounds per square inch (psi) or newtons per square meter (N/m²).
Strain is the ratio of the change in length or shape of an object to its original length or shape.
Stress and strain are related by the material's modulus of elasticity, which is a measure of how much the ma...
A centrifugal pump is a mechanical device that uses centrifugal force to transport fluids. There are two types: radial and axial.
Centrifugal pumps are commonly used in industrial and domestic applications.
Radial pumps have a volute casing and are used for low flow and high head applications.
Axial pumps have a propeller and are used for high flow and low head applications.
Centrifugal pumps are easy to install and mainta...
SI and CI engines are types of internal combustion engines used in vehicles and machinery.
SI engine stands for Spark Ignition engine, also known as gasoline engine.
CI engine stands for Compression Ignition engine, also known as diesel engine.
SI engines use a spark plug to ignite the fuel-air mixture, while CI engines use compression to ignite the fuel.
SI engines are commonly used in cars, motorcycles, and small machine...
Knocking is a phenomenon where the air-fuel mixture in the engine cylinder ignites spontaneously before the spark plug fires.
Knocking is also known as detonation or pinging.
It can cause engine damage if not addressed.
It occurs when the air-fuel mixture in the cylinder ignites prematurely due to high pressure and temperature.
It can be caused by low-quality fuel, incorrect ignition timing, or engine overheating.
To preven...
I applied via Job Portal and was interviewed in Oct 2022. There were 4 interview rounds.
Aptitude test is very important for test
Group discussion share personal thinking knowledge
posted on 7 Aug 2021
I applied via Company Website and was interviewed in Feb 2021. There were 5 interview rounds.
posted on 16 May 2023
posted on 6 Aug 2023
I applied via Job Portal and was interviewed in Jul 2023. There were 2 interview rounds.
posted on 28 Oct 2023
I applied via Campus Placement and was interviewed before Oct 2022. There were 5 interview rounds.
Mechanical background questoions will be there
Finally all are ask the questions for mental ability, strength,..etc
posted on 9 Jun 2024
Site management involves coordinating and overseeing all activities on a construction site to ensure projects are completed on time and within budget.
Developing a detailed project plan outlining tasks, timelines, and resources
Coordinating with subcontractors, suppliers, and other stakeholders
Ensuring compliance with safety regulations and quality standards
Managing project budget and expenses
Monitoring progress and addr...
Pipe joining can be done using various methods such as welding, soldering, or using mechanical fittings.
Welding: involves melting the edges of the pipes and joining them together.
Soldering: uses a filler material to join the pipes together.
Mechanical fittings: includes couplings, unions, and compression fittings to connect pipes without welding or soldering.
posted on 19 Feb 2022
I applied via Company Website and was interviewed before Feb 2021. There were 2 interview rounds.
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Siemens
Bombardier Transportation
CRRC
GE Transportation