Wabtec Qe Software Engineer Interview Questions and Answers

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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Q1. Selenium and python. The interview took around 1hr since it’s a product based company
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Q2. Implicit wait Explicit wait Xpath Write python code
Ans. 
Implicit and explicit waits are used in Selenium to wait for elements to load. Xpath is a way to locate elements on a webpage.
• Implicit wait: waits for a certain amount of time before throwing an exception if the element is not found

• Explicit wait: waits for a certain condition to be met before proceeding with the code

• Xpath: a way to locate elements on a webpage using the path of the element in the HTML structure

• Python c...read more
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Q1. Managing the real life with professional life
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Q1. Experience related questions.
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Q1. Working and skills
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Fece to face interview

Q1. What are the Siemens plc models?
Ans. 
Siemens plc models include S7-1200, S7-1500, S7-300, S7-400, and LOGO!
• S7-1200

• S7-1500

• S7-300

• S7-400

• LOGO!
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Q2. What is the spc?
Ans. 
SPC stands for Statistical Process Control, a method used to monitor and control processes to ensure they are operating efficiently and within specifications.
• SPC involves collecting and analyzing data to identify variations in a process

• It helps in detecting and correcting issues before they result in defects

• Common tools used in SPC include control charts, histograms, and Pareto charts
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Q3. How to configure the dp dp coupler?
Ans. 
To configure a dp dp coupler, set the parameters for communication protocol, baud rate, address, and data format.
• Set the communication protocol to match the devices being connected.

• Configure the baud rate to ensure proper data transmission speed.

• Assign a unique address to the dp dp coupler for identification.

• Choose the appropriate data format for the connected devices.

• Test the configuration to ensure proper communicati
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Q1. Personal details
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Q1. About yourself, describe
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Q2. Technical question
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