Xchanging Senior Associate Interview Questions and Answers

Q1. What is SIngularity in BIW
Ans. 
Singularity in BIW refers to a point where multiple body panels meet in a vehicle's body structure.
• Singularity is a critical point in BIW design where multiple panels converge.

• It is important to ensure proper fit and alignment at singularity points to maintain structural integrity.

• Examples of singularity points include door openings, roof joints, and hood connections.
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Q2. Time taken for Spot welding by robot
Ans. 
The time taken for spot welding by a robot depends on various factors such as material thickness, type of material, welding parameters, and robot speed.
• Time taken for spot welding can vary based on the material thickness. Thicker materials may require longer welding times.

• The type of material being welded can also impact the time taken. Different materials have different conductivity and heat transfer properties.

• Weldin...read more
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Q1. What is a pointer to pointer
Ans. 
A pointer to pointer is a variable that stores the memory address of another pointer variable.
• It is used to create dynamic data structures like linked lists and trees.

• It allows multiple levels of indirection.

• It is denoted by ** in C and C++.

• Example: int **ptr;

• Example: ptr = &p; where p is a pointer variable.
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Q2. Class, object, inheritance, polymorphism,dbms
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90 min MCQ +coding test on hackerrank.

Q1. Sort colors DSA question
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Q2. Detect cycle in a linked list
Ans. 
Use Floyd's Tortoise and Hare algorithm to detect cycle in a linked list.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps.

• If they meet at some point, there is a cycle in the linked list.
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Q1. Was asked about why you want to join the company,my experience etc.
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Q1. Current time and their angles
Ans. 
The question is asking for the current time and the angles formed by the hour and minute hands on a clock.
• The angle between the hour and minute hands of a clock can be calculated using the formula: angle = |(30*hour - (11/2)*minutes)|

• At 3:00, the angle between the hour and minute hands is 90 degrees.

• At 6:00, the angle between the hour and minute hands is 180 degrees.

• At 9:00, the angle between the hour and minute hands
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Q1. Didnt qual here btw
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Q1. Didnt qual either btw
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Q1. Angular and JavaScript.
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Q1. Behavioral Questions
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Q2. CI-CD, Jenkins, AWS
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Q1. Client Interview - Security related.
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There was a coding round and out of 75 students 28 got selected for next round

Q1. Total on resume and basic coding questions like write code for different sorting algorithms.
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Q2. Explain your project in detail and asking cross questions regarding project.
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Q1. I was rejected in round 2.
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There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.

In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.

Q1. In Managerial round again here I have been asked questions related my projects. and no coding round in this stage.
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Share the link for codesignal

Q1. Java related questions
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Q2. Based on the resume
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