Sify Technologies Graduate Engineer Interview Questions and Answers

Basic Aptitude questions and tech questions

Q1. Prepare networking and your CV
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Q2. Networking , subnet, tcp,. Osi
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Q1. Your hobby and who inspires you
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Q2. Questions on project
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Q3. Why do you want to join us Your hobby What motivates you Contributions in project
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Q4. Contributions in project
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Q5. What do you know about the company
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Easy numerics, logical, coding, technical

Q1. Reverse a array
Ans. 
Reverse an array of integers in place
• Create two pointers, one at the start and one at the end of the array

• Swap the elements at the two pointers and move them towards the center until they meet

• Time complexity: O(n), Space complexity: O(1)
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Q2. Create a list of duplicates in array
Ans. 
Function to find duplicates in an array of integers and return a list of unique duplicates.
• Iterate through the array and keep track of elements seen before using a hash set.

• If an element is already in the hash set, add it to the result list.

• Return the list of unique duplicates found.
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Generall aptitude test with maths

Engineering aptitude test having pure mechanical and catia basics

Q1. Projects and catia and stress analysis tools related questions with questions on strength of materials.
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Q2. Views and projections
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Q3. Shear force diagram and bending moment diagram
Ans. 
Shear force diagram shows the variation of shear force along the length of a beam, while bending moment diagram shows the variation of bending moment.
• Shear force diagram is plotted by taking the derivative of the bending moment diagram.

• Bending moment diagram is plotted by integrating the shear force diagram.

• Shear force changes sign at point of concentrated loads or reactions.

• Bending moment is zero at point of concentra
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Basic aptitude questions

Q1. British council App
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Q1. Ask about some technical questions based on my resume 1.self intro 2.Java basic questions 3.Asked about HTML and CSS Concepts
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Q1. Basic questions bond and she said about company
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Round duration - 30 minutes
Round difficulty - Easy

MCQ's as well some basic coding questions were there in this round

Q1. Cycle Detection in a Singly Linked List
You have given a Singly Linked List of integers, determine if it forms a cycle or not.
A cycle occurs when a node's next points back to a previous node in the ...read more
Ans. Outer And Inner Loop
We are going to have two loops outer-loop and inner-loop 
1. Maintain a count of the number of nodes visited in outer-loop.
2. For every node of the outer-loop, start the inner loop from head.
3. If the inner-loop visits the node next to the outer-loop node, then return true, else repeat the process for the next iteration of outer-loop.
4. If outer-loop reaches the end of list or null, then return false.
Space ...read more
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Round duration - 25 minutes
Round difficulty - Easy

Questions on DBMS and OS were asked in this round

Q1. Operating System Question
What is the difference between paging and segmentation?
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Q2. Operating System Question
What do you mean by FCFS?
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Q3. DBMS Question
Difference between Normalization and Denormalization
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Round duration - 15 minutes
Round difficulty - Easy

Basic HR questions like why do you want to join this company and some questions on behavioural and resume.

Q1. I am mechanical engineer student and still aeronautical questions were asked.
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Q2. Difference between stress and strain
Ans. 
Stress is the force applied to an object, while strain is the deformation caused by the stress.
• Stress is a measure of force per unit area

• Strain is a measure of the change in shape or size of an object due to stress

• Stress can cause strain, but not all strain is caused by stress

• Examples: stretching a rubber band causes stress and strain, while a book on a table has stress but no strain
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Q3. What is tolerance and fits
Ans. 
Tolerance is the allowable variation in a dimension, while fits refer to the range of tightness or looseness between two mating parts.
• Tolerance is the difference between the maximum and minimum limits of a dimension that is acceptable for a part to function properly.

• Fits are the range of tightness or looseness between two mating parts, which can be classified as clearance, interference, or transition fits.

• Clearance fit...read more
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Q4. What we do in ansys workbench
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Q5. What version do you used of ansys workbench
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Arithmetic, reasoning, English

Q1. Communication,grammar and vocabulary
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Q1. Java,c,dbms basics
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Q1. Basic interview questions
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Quants reasoning verbal

Q1. Basics of all subjects in mechanical engineering
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Q2. GD&T, design cycle, basics of engineering drawing, project , strength of materials, design considerations
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