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DRS stands for Design Review Service and MRS stands for Manufacturing Review Service.
DRS is a service that reviews the design of a product to ensure it meets the required standards.
MRS is a service that reviews the manufacturing process of a product to ensure it meets the required standards.
Both services are commonly used in the oil and gas industry to ensure safety and quality of equipment.
DRS and MRS are often conduc...
DRS is Document Review Service while MRS is Material Review Service.
DRS involves reviewing documents related to the product or project.
MRS involves reviewing the materials used in the product or project.
DRS is focused on ensuring compliance with regulations and standards.
MRS is focused on ensuring the quality and suitability of materials.
DRS is typically done before production or construction begins.
MRS is typically do...
MDPE pipes are medium-density polyethylene pipes used for gas and water supply systems.
MDPE pipes have a higher pressure rating than LDPE pipes.
They are resistant to corrosion and chemicals.
MDPE pipes are flexible and easy to install.
Examples of MDPE pipes include Alkathene, Polypipe, and Philmac.
They are commonly used in gas and water supply systems.
A service regulator is a device that regulates the pressure of a gas or liquid in a pipeline or system.
It is used to maintain a constant pressure in a pipeline or system.
It can be used for various gases and liquids such as natural gas, propane, oxygen, and nitrogen.
It is commonly used in industrial and commercial applications such as in gas pipelines, HVAC systems, and welding equipment.
It works by reducing the pressur...
Various fittings are used in GI installation including elbows, tees, couplings, reducers, and flanges.
Elbows are used to change the direction of the pipe.
Tees are used to split the flow of the pipe into two directions.
Couplings are used to connect two pipes together.
Reducers are used to connect pipes of different sizes together.
Flanges are used to connect pipes to valves or other equipment.
Other fittings may include un
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I applied via Approached by Company and was interviewed before Sep 2021. There were 2 interview rounds.
About my ...CV and my approch to this company
Handling critical situations requires quick thinking, clear communication, and a calm demeanor.
Assess the situation and prioritize actions
Communicate clearly and effectively with all parties involved
Remain calm and focused
Take decisive action while considering potential consequences
Seek assistance or advice from colleagues or superiors if necessary
I prioritize the problems based on urgency and importance, and then allocate time and resources accordingly.
Assess the urgency and importance of each problem
Create a plan of action for each problem
Allocate time and resources based on the plan
Regularly reassess and adjust the plan as needed
Example: If one problem is a deadline that cannot be missed and the other is a minor issue, prioritize the deadline and allocate mor
I applied via Referral and was interviewed in Nov 2020. There were 3 interview rounds.
Balloon Burst Problem - Given n balloons, each with a number of coins, maximize the number of coins collected by bursting the balloons.
Use dynamic programming to solve the problem
Consider each balloon as the last balloon to be burst
Calculate the maximum coins that can be collected for each subarray of balloons
Use the calculated values to find the maximum coins for the entire array
I appeared for an interview before Jan 2021.
Round duration - 120 Minutes
Round difficulty - Hard
This round had 3 preety good questions to be solved under 2 hours . The first question was from Graphs and DSU , the second question was related to DP and the third one was from Recursion.
On a 2-D plane, there are ‘N’ stones placed at some integer coordinate points. Each coordinate point can have at most one stone. A stone can be removed if it sh...
Given a 2-D plane with stones at integer coordinate points, find the maximum number of stones that can be removed by sharing the same row or column.
Iterate through the stones and create a graph where stones in the same row or column are connected.
Use depth-first search (DFS) to find connected components in the graph.
The maximum number of stones that can be removed is the total number of stones minus the number of conne
You are provided with a gold mine, represented as a 2-dimensional matrix of size N x M with N rows and M columns. Each cell in this matrix contains a positive integer represent...
The task is to determine the maximum amount of gold a miner can collect by moving in allowed directions in a gold mine represented as a 2D matrix.
Create a 2D DP array to store the maximum gold collected at each cell
Iterate through the matrix from left to right and update the DP array based on the allowed directions
Return the maximum value in the last column of the DP array as the final result
Given a positive integer N
, generate all possible sequences of balanced parentheses using N
pairs of parentheses.
A sequence of brackets is called bala...
Generate all possible sequences of balanced parentheses using N pairs of parentheses.
Use backtracking to generate all possible combinations of balanced parentheses.
Keep track of the number of opening and closing parentheses used.
Add opening parentheses if there are remaining, and add closing parentheses only if there are more opening parentheses than closing.
Recursively generate all valid combinations.
Return the list o
Round duration - 60 Minutes
Round difficulty - Medium
This round had 2 questions from DSA. Both the questions were preety straightforward and were asked to check my implementation skills and how well do I handle Edge Cases for tricky problems.
Develop a Stack Data Structure to store integer values using two Queues internally.
Your stack implementation should provide these public functions:
Implement a stack using two queues to store integer values.
Use two queues to simulate stack operations: push elements to one queue, then move all elements to the other queue to simulate pop and top operations.
Maintain the size of the stack and check for empty stack using the size of the queues.
Handle edge cases such as popping or getting top element from an empty stack.
Ensure the implementation follows the specified pu...
Given a square matrix 'MATRIX' of non-negative integers, rotate the matrix by 90 degrees in an anti-clockwise direction using only constant extra space.
Rotate a square matrix by 90 degrees in an anti-clockwise direction using constant extra space.
Iterate through each layer of the matrix and swap elements in groups of 4
Transpose the matrix and then reverse each row to achieve the rotation
Ensure to handle edge cases like odd-sized matrices
Round duration - 60 Minutes
Round difficulty - Medium
This round also had 2 questions related to DSA where I was first expected to explain my approaches and then discuss the time and space complexities of my solution. After that , I was asked some core concepts related to OOPS and OS.
Given an array ARR
consisting of N
integers, find all distinct triplets in the array that add up to a given number K
.
T = 2
N = 5
ARR = [1, 2, 3, 4, 5]
K = 9
N = 4
...
Find all distinct triplets in an array that add up to a given number.
Use three nested loops to iterate through all possible triplets.
Sort the array first to easily skip duplicates.
Use two-pointer technique to find the remaining element for each triplet.
Handle edge cases like empty list or no triplet summing up to K.
You are given a long type array/list ARR
of size N
, representing an elevation map. The value ARR[i]
denotes the elevation of the ith
bar. Your task is to determine th...
Calculate the total amount of rainwater that can be trapped between given elevations in an array.
Iterate through the array and calculate the maximum height on the left and right of each bar.
Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.
Sum up the trapped water at each bar to get the total trapped water for the entire array.
Diamond Problem is a multiple inheritance issue in C++ where a class inherits from two classes that have a common base class.
Diamond Problem occurs when a class inherits from two classes that have a common base class, leading to ambiguity in accessing members.
It can be resolved in C++ using virtual inheritance, where the common base class is inherited virtually to avoid duplicate copies of base class members.
Example: c...
Thrashing in operating systems occurs when the system is spending more time swapping data between memory and disk than actually executing tasks.
Occurs when the system is constantly swapping data between memory and disk
Causes a decrease in system performance as it spends more time on swapping than executing tasks
Usually happens when the system does not have enough physical memory to handle the workload efficiently
Round duration - 30 Minutes
Round difficulty - Easy
This was my last round and I hoped it to go good just like the other rounds. The interviewer was very straight to point and professional. The interview lasted for 30 minutes.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Walk-in and was interviewed before Jan 2021. There were 3 interview rounds.
I applied via Job Portal and was interviewed in Jun 2021. There were 3 interview rounds.
Sorts an array of strings in ascending order.
Use a sorting algorithm like bubble sort, selection sort, or merge sort.
Compare adjacent elements and swap them if they are in the wrong order.
Repeat the process until the array is sorted.
Executive
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Software Engineer
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IT Executive
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Surveyor
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| ₹2.4 L/yr - ₹5 L/yr |
Amazon
Flipkart
Mahindra & Mahindra
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