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Alstom Transportation
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I was interviewed in Sep 2016.
25 KV AC is more efficient for railways due to lower transmission losses and higher power carrying capacity.
25 KV AC has lower transmission losses compared to 750V DC
25 KV AC can carry higher power compared to 750V DC
25 KV AC is more suitable for long distance and high-speed trains
750V DC is more suitable for urban and suburban railways
Examples: Indian Railways uses 25 KV AC for long distance and high-speed trains, whi
The speed-torque curve of an induction motor describes the relationship between motor speed and torque.
The speed-torque curve shows how the motor's torque output varies with changes in speed.
At low speeds, the motor can produce high torque, but as the speed increases, the torque decreases.
The curve typically has a peak torque value called the breakdown torque.
Beyond the breakdown torque, the motor enters the field weak...
Induction motors are replacing DC motors for traction purposes due to their higher efficiency, lower maintenance, and simpler control.
Induction motors have higher efficiency compared to DC motors, resulting in reduced energy consumption.
Induction motors require less maintenance as they have no brushes or commutators that wear out over time.
Induction motors have simpler control systems, making them easier to operate and...
I applied via Campus Placement and was interviewed in Jul 2024. There were 4 interview rounds.
All aptitude, verbal questions
Current affair topics
I applied via campus placement at GSSS Institute of Engineering & Technology for Women, Mysore and was interviewed in Jun 2024. There were 4 interview rounds.
80 minutes-Had questions of quantitative aptitude, verbal ability and logical reasoning
30 mins of group discussion
What people are saying about Alstom Transportation
45 question in 60 minutes
My topic is E learning
A traction motor is an electric motor used for propelling a vehicle, typically in locomotives or electric vehicles.
Traction motors are used to provide power to move a vehicle, such as in trains, trams, and electric cars.
They are typically electric motors that convert electrical energy into mechanical energy to drive the wheels of the vehicle.
Traction motors can be AC or DC motors, depending on the application and desig...
The principle used to brake a train is friction between the brake pads and the wheels.
Friction between brake pads and wheels slows down the train
Different types of brakes include disc brakes, drum brakes, and dynamic brakes
Brake systems can be pneumatic, hydraulic, or electric
Six Sigma is a data-driven methodology used to improve processes by reducing defects and variations.
Six Sigma aims to achieve near perfection in processes by identifying and eliminating causes of defects or errors.
It follows a structured approach known as DMAIC (Define, Measure, Analyze, Improve, Control) to make improvements.
Six Sigma uses statistical tools and techniques to measure and analyze process performance.
Org...
5S is a workplace organization method that uses a list of five Japanese words: seiri, seiton, seiso, seiketsu, and shitsuke.
Sort (Seiri) - Separate needed tools, materials, and instructions from unneeded ones.
Set in order (Seiton) - Arrange items in a neat and efficient manner for easy access.
Shine (Seiso) - Clean and inspect the work area regularly to maintain cleanliness and order.
Standardize (Seiketsu) - Establish s...
Alstom Transportation interview questions for designations
I applied via Campus Placement and was interviewed in Aug 2023. There were 4 interview rounds.
Topics from arrangement, time and work, trains and poles, boats and streams, pipes and cisterns were asked. Logical Reasoning questions as well as verbal questions were asked. Referring sites lie Indiabix and PrepInsta will be ideal.
General Topics were asked and a preparator time of 3-5 minutes were given. The discussion was conducted on topics like Knowledge versus Creativity, Is online education killing the traditional way of education, UPI Payment versus Liquid Money
Get interview-ready with Top Alstom Transportation Interview Questions
Basic aptitude with focus on quantitative reasoning and verbal reasoning
Simple and short. Mostly everyone qualifies.
This is where i found it difficult.
Aptitude Test without code questions
GD about online stuff with panel members
I applied via Campus Placement
All essential aptitude topics- time, work, ages, etc. reasoning-directions, patterns, coding-decoding. verbal- passages, reading comprehensions, synonyms, antonyms, etc
Platform: hirepro
My team's GD topic was Creativity vs Knowledge. They gave me 2 minutes to prepare. The total duration of the GD process was around 15 minutes.
I applied via Campus Placement and was interviewed in Sep 2022. There were 5 interview rounds.
Aptitude related to basic math's and logical reasoning
Digital Payments,10 min, Checking only confidence
I applied via Campus Placement and was interviewed in Sep 2022. There were 4 interview rounds.
Quantitative, qualitative, verbal topics
On topic - knowledge or creativity qhich is important
I am a recent graduate with a degree in engineering. I have a strong passion for problem-solving and a desire to learn and grow in the field.
Recent graduate with a degree in engineering
Passionate about problem-solving
Eager to learn and grow in the field
Diode is a two-terminal electronic component that allows current to flow in only one direction. Transistor is a three-terminal electronic component that amplifies or switches electronic signals.
Diode has a forward voltage drop and a reverse breakdown voltage
Transistor has three regions - emitter, base, and collector
My project involved designing and testing a circuit using both diodes and transistors to control the flow...
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