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A single line diagram for HT to LT panel diagram is a simplified representation of the electrical system.
The diagram shows the flow of electricity from the high voltage side to the low voltage side.
It includes all the major components such as transformers, switchgear, and distribution panels.
The diagram also shows the protective devices such as fuses and circuit breakers.
The single line diagram is used for planning, de...
DOL starter is a type of motor starter that directly connects the motor to the power supply.
DOL stands for Direct-On-Line
It is the simplest and most common type of motor starter
It is used for small motors with low starting current
It provides full voltage to the motor during starting
It does not provide any protection against overloading or short circuits
Load calculation can be done by measuring the power consumed by the load and dividing it by the voltage supplied.
Measure the power consumed by the load using a wattmeter
Divide the power by the voltage supplied to get the load in amperes
Use the formula P=VI to calculate the power consumed by the load
Consider the power factor of the load while calculating the load
The number of circuit breakers used in an electrical system depends on the size and complexity of the system.
The number of circuit breakers can range from a few to hundreds or even thousands depending on the size of the electrical system.
Circuit breakers are used to protect electrical equipment from damage caused by overloading or short circuits.
The type of circuit breaker used depends on the specific application and t...
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I applied via Walk-in and was interviewed in Apr 2021. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2020. There were 4 interview rounds.
I appeared for an interview before Dec 2020.
Round duration - 90 Minutes
Round difficulty - Medium
2 coding questions and 20 mcq
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
Find the minimum time required to rot all fresh oranges in a grid.
Use Breadth First Search (BFS) to simulate the rotting process.
Track the time taken to rot all oranges and return -1 if any fresh oranges remain.
Handle edge cases like no fresh oranges or all oranges already rotten.
Consider using a queue to efficiently process adjacent oranges.
Ensure to update the grid with the new state of oranges after each second.
Given a natural number N
, return the sum of all its proper divisors.
A proper divisor of Y
is defined as a number X
such that X < Y
and Y % X = 0
.
T...
Calculate the sum of proper divisors of a given natural number.
Iterate from 1 to sqrt(N) and check for divisors
If a divisor is found, add it to the sum and also add N/divisor if it is not the same as divisor
Return the sum as the result
Round duration - 45 Minutes
Round difficulty - Medium
Technical interview
Given an array ARR
consisting of non-negative integers, rearrange the numbers to form the largest possible number. The digits within each number cannot be changed.
Rearrange the array elements to form the largest possible number by concatenating them.
Sort the array elements in a custom comparator function to get the largest number.
Convert the sorted array elements to strings and concatenate them to form the final number.
Handle cases where the numbers have the same prefix by comparing the concatenated forms.
Tip 1 : Be clear about whatever you have mentioned in resume, don't mention buzz words, because interviewer can go in depth
Tip 2 : Along with DS and Algo, if you have 3-4 months experience or internship experience, then be ready to answer scenario based technical questions like scaling the application that you developed and design concepts that can be used for improving
Tip 3 : Last but most important tip is to be calm through out the whole process ,don't loose hope if any round didn't go well ,if you have explained your thought process there is still chance to procees to next round so keep preparating for next rounds.
Tip 1 : Keep it one page resume and mention keywords which align with your technical and personal competencies.
Tip 2 : Mention 3-4 projects in the order that , project which you can explain best should be at top,then the next, and so on.
I applied via Campus Placement and was interviewed before Jun 2021. There were 3 interview rounds.
Round 1 is quit easy , only verbal ability is little bit difficult. So anyone can easy to qualify round.
I applied via Referral and was interviewed in Dec 2020. There were 3 interview rounds.
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