Wabtec Intern Interview Questions and Answers

Q1. Tell me about yourself?
Ans. 
I am a motivated and enthusiastic individual with a strong passion for learning and gaining practical experience in the field of [field].
• I am currently pursuing a degree in [field] at [university].

• I have completed internships at [company] and [company], where I gained valuable skills in [specific skills].

• I am proficient in [relevant software/tools] and have a strong ability to adapt and learn new technologies quickly.

• I...read more
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Q2. What is OSI model?
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The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model divides the communication process into seven layers, each with its own specific functions and protocols.

• The layers are: Physical, Data Link, Network, T...read more
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Q3. What is AM and FM?
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AM and FM are two types of modulation techniques used in radio broadcasting.
• AM stands for Amplitude Modulation, where the amplitude of the carrier wave is varied to transmit information.

• FM stands for Frequency Modulation, where the frequency of the carrier wave is varied to transmit information.

• AM is commonly used for broadcasting in the medium wave and long wave bands.

• FM is commonly used for broadcasting in the VHF (V...read more
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Q1. What are discrete components?
Ans. 
Discrete components are individual electronic components that are separate and distinct from each other.
• Discrete components are used to build electronic circuits.

• They are separate and distinct from integrated circuits.

• Examples of discrete components include resistors, capacitors, transistors, and diodes.
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Q2. What is ultrasonic sensor?
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An ultrasonic sensor is a device that uses sound waves with frequencies higher than the upper audible limit of human hearing to measure distances.
• Ultrasonic sensors emit high-frequency sound waves and measure the time it takes for the waves to bounce back after hitting an object.

• They are commonly used for distance measurement, object detection, and obstacle avoidance.

• Ultrasonic sensors can be found in various applicati...read more
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Q1. Tell me about myself?
Ans. 
The question is asking the interviewee to describe themselves.
• Provide a brief overview of your background, education, and experience.

• Highlight your skills and strengths that are relevant to the internship position.

• Mention any notable achievements or projects you have worked on.

• Discuss your career goals and how this internship aligns with them.

• Emphasize your enthusiasm, motivation, and willingness to learn and contribut...read more
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Q1. Basic Information
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Q2. Technical Round
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Q3. Fixed Fire Fighting Installation
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Q4. Types of Fire Extinguisher
Ans. 
Types of fire extinguishers include water, foam, CO2, dry powder, and wet chemical.
• Water extinguishers are suitable for Class A fires (wood, paper, textiles)

• Foam extinguishers are suitable for Class A and B fires (flammable liquids)

• CO2 extinguishers are suitable for Class B and electrical fires

• Dry powder extinguishers are suitable for Class A, B, and C fires (flammable gases)

• Wet chemical extinguishers are suitable for
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Q5. Log out Tag Out
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Q1. Introduce yourself
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I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Recent graduate in Computer Science

• Passionate about coding and problem-solving
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Basic questions on electronic switches and electronics. Basic questions on coding

Q1. Is the power supplied from a socket alternating current (AC) or direct current (DC)?
Ans. 
Power supplied from a socket is alternating current (AC).
• Most household sockets provide AC power

• AC power changes direction periodically

• DC power is commonly used in batteries and some electronics
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Q2. What is the typical voltage and current supplied by an electrical socket?
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Typical voltage supplied by an electrical socket is 120 volts, while the current can vary depending on the country and type of socket.
• Voltage supplied by an electrical socket is typically around 120 volts

• Current supplied can vary depending on the country and type of socket

• In the US, standard electrical sockets provide 120 volts AC at 15-20 amps

• In Europe, standard electrical sockets provide 230 volts AC at 16 amps
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Q3. How will you measure current if you are provided with a multimeter?
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To measure current with a multimeter, set the multimeter to the current measurement mode, connect the multimeter in series with the circuit, and read the current value displayed on the multimeter.
• Set the multimeter to the current measurement mode (usually denoted by 'A' for Amperes)

• Turn off the power to the circuit before connecting the multimeter in series

• Connect the multimeter in series with the circuit - place the m...read more
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Q4. The interviewer drew a circuit having a dc source, resistor and a laser diode and asked us to name the components
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Q5. Questions about microcontroller Arduino
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Q6. How many pins does Arduino have, how will you code programs in it such questions
Ans. 
Arduino Uno has 14 digital pins and 6 analog pins for coding programs.
• Arduino Uno has 14 digital pins (0-13) and 6 analog pins (A0-A5)

• Digital pins can be used for input/output operations while analog pins can read analog signals

• To code programs in Arduino, you can use the Arduino IDE and write C/C++ based sketches
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Q1. Embedded c ....................
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Q1. Project ........,........
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Q1. Salary ....................
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