Wabtec Enterprise Architect Interview Questions and Answers

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. What is your expectations
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Q2. As per industry norms
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Q1. Introduction Questions related to c programming like structures, data types, size of structure. Inputs and deliverables of V model. Technical questions related to testing like statement coverage, branch an...read more
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Q1. Salary discussions and joining date
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Q1. UDS protocols and NRCs, DCM configuration
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Q1. Why Continental
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Q1. Find lowest and highest number in an array. Optimize the code
Ans. 
Find lowest and highest number in an array efficiently
• Use a loop to iterate through the array and keep track of the lowest and highest numbers

• Initialize variables for lowest and highest numbers with the first element of the array

• Compare each element with the current lowest and highest numbers and update accordingly
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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?
Ans. 
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. 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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Q1. C programing embedded concepts
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Q2. Stack v/s heap explanation
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Stack is used for static memory allocation, while heap is used for dynamic memory allocation.
• Stack is faster than heap because of its memory allocation and deallocation process.

• Stack has limited size and memory is managed in a Last In First Out (LIFO) manner.

• Heap has a larger size and memory is managed in a more complex way, allowing for dynamic memory allocation.

• Variables stored on the stack have a limited scope, whil...read more
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