Pietech Soluction Interview Questions and Answers

Basic Mechanical Engineering, welding, GD n T etc

Q1. 1. Current job details 2. Engineering fundamentals 3. GD n T 4. Welding knowledge 5. Problem Solving skills
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Q2. 1. What are different kinds of weld and its applications. 2. What is stress, strain, torque, buoyancy etc
Ans. 
1. Different types of welds and their applications. 2. Stress, strain, torque, buoyancy, etc.
• Different types of welds include butt welds, fillet welds, lap welds, etc.

• Butt welds are used to join two pieces of metal together end-to-end, while fillet welds are used to join two pieces of metal together at right angles.

• Lap welds are used to join two pieces of metal together that overlap each other.

• Stress is the force per u...read more
Answered by AI
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Solidworks Model test

Q1. Past experience , Reason for leaving current organization, current and expected salary
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Q1. Virtual Face to face interview with HOD on technicals
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Q1. Salary negotiation and policy briefing
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Round duration - 30. minutes
Round difficulty - Easy

It was in the evening, question were moderate

Q1. Count Subsequences
You have been given an integer array/list 'ARR' of size 'N'. Your task is to return the total number of those subsequences of the array in which all the elements are equa...read more
Ans. Brute Force
The idea is to generate all the subsequences and check whether the elements present are equal or not.
 
Here is the algorithm :
 
1. Generate all the subsequences of the given array.
2. Maintain a variable ‘COUNT’ which stores the total number of subsequences in which all the elements are equal.
3. Iterate over each of the generated subsequences.
   1. In case all the elements of the current subsequence are equal, we in...read more
Answered by CodingNinjas
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Round duration - 30 minutes
Round difficulty - Easy

It was in the night around 9:00 PM.

Q1. Pair Sum
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such that each sum of elements of each pair eq...read more
Ans. Brute Force
• Initialize a list to store our results.
• For each element in the array 'ARR[i]', check if ('ARR[i]' + ‘ARR[j]’), equals to given sum or not, where ‘i’ < ‘j’ < ‘N’.
• If the condition matches, add the pair('ARR[i]', ‘ARR[j]’) to the list. Sort the list of pairs as per the given output format and return this list.
Space Complexity: O(1)Explanation:
O(1).
 
Constant extra space is required.
Time Complexity: O...read more
Answered by CodingNinjas
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