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I was interviewed before Sep 2020.
Round duration - 60 Minutes
Round difficulty - Medium
It was a mix round. Starting with problem-solving, then data structures, then DBMS, and finally data science
2 Interviewers
Early morning
You have two water jugs with capacities X
and Y
liters respectively, both initially empty. You also have an infinite water supply. The goal is to determine if it is possible to...
The Water Jug Problem involves determining if a target measurement can be achieved using two jugs of different capacities and specific operations.
Start by filling one jug and transferring water between the jugs to reach the target measurement.
Consider all possible combinations of filling, emptying, and transferring water between the jugs.
Keep track of the states of both jugs and the amount of water in each jug during t...
The question involves calculating the probability of picking a specific colored ball from a set of balls.
Calculate the total number of balls in the set
Determine the number of balls of the specific color in the set
Divide the number of specific colored balls by the total number of balls to get the probability
Given a singly linked list with 'N' nodes containing integer values, your task is to sort the list using insertion sort and output the sorted list.
Insertion Sort is an al...
Implement insertion sort on a singly linked list to sort the elements in-place.
Iterate through the linked list and for each node, find its correct position in the sorted part of the list
Adjust pointers to insert the node in the correct position
Repeat this process until all nodes are sorted
Different types of keys in a database include primary key, foreign key, unique key, and composite key.
Primary key: uniquely identifies each record in a table, must be unique and not null.
Foreign key: establishes a link between two tables, ensures referential integrity.
Unique key: ensures that all values in a column are unique.
Composite key: combination of two or more columns to uniquely identify a record.
loc is label-based indexing while iloc is integer-based indexing in data science. Dashboards are visual tools for data analysis.
loc is used for selecting rows and columns by labels
iloc is used for selecting rows and columns by integer position
Dashboards are visual representations of data for easy analysis and decision-making
Round duration - 15 Minutes
Round difficulty - Easy
Early morning
Relaxed environment
Very kind and gentle
Tip 1 : Excellent communication skills required
Tip 2 : Focus on data science and data analysis
Tip 1 : Data Science knowledge and projects
Tip 2 : True and crisp information
Top trending discussions
Seeking better work-life balance and quality of life in a smaller city.
Desire for a slower pace of life
Lower cost of living
Closer to family and friends
Less traffic and pollution
Opportunity for a more relaxed lifestyle
I applied via Recruitment Consultant and was interviewed before Sep 2019. There was 1 interview round.
Implement access control, surveillance systems, and security policies to minimize security personnel.
Install access control systems to restrict unauthorized entry
Deploy surveillance systems to monitor activities
Implement security policies to ensure compliance
Train employees on security awareness and emergency response
Conduct regular security audits to identify vulnerabilities
Effective material management in a factory involves proper planning, procurement, storage, and distribution of materials.
Develop a comprehensive material management plan
Ensure timely procurement of raw materials
Implement an efficient storage system
Establish a streamlined distribution process
Regularly monitor inventory levels and adjust accordingly
Returnable and non-returnable stores require different management strategies.
Returnable stores require a system for tracking returned items and restocking them appropriately.
Non-returnable stores require careful inventory management to avoid overstocking and waste.
Consider offering incentives for customers to return items, such as discounts on future purchases.
Train staff on proper handling and processing of returns.
Re...
During a strike against the factory, managing requires effective communication, contingency planning, and prioritizing employee safety.
Communicate regularly with employees to keep them informed and address concerns
Develop contingency plans to minimize disruption to operations and customer service
Prioritize employee safety and well-being, including providing security measures if necessary
Consider negotiating with the st...
To manage and control theft, philferage, vandalism and stobages, one can implement security measures and conduct regular inspections.
Implement security measures such as CCTV cameras, security guards, and access control systems.
Conduct regular inspections to identify any potential security breaches and take necessary actions.
Train employees on security protocols and encourage them to report any suspicious activity.
Maint...
There are 5 classes of fire and each requires a specific type of extinguisher.
Class A fires involve ordinary combustibles like wood, paper, and cloth. Water or foam extinguishers are used.
Class B fires involve flammable liquids like gasoline and oil. Carbon dioxide or dry chemical extinguishers are used.
Class C fires involve electrical equipment. Carbon dioxide or dry chemical extinguishers are used.
Class D fires invol...
PASS procedures are used during firefighting to ensure safety of firefighters.
PASS stands for Pull, Aim, Squeeze, Sweep.
Pull the pin to activate the extinguisher.
Aim the nozzle at the base of the fire.
Squeeze the handle to release the extinguishing agent.
Sweep the nozzle from side to side to cover the area of the fire.
PASS is also used as a distress signal if a firefighter becomes trapped or lost.
The firefighter activa...
Yes, behaviour based safety involves identifying and addressing unsafe behaviours to prevent accidents.
Encourage employees to report unsafe behaviours
Provide training on safe behaviours and consequences of unsafe behaviours
Implement a reward system for safe behaviours
Conduct regular safety audits to identify areas for improvement
Examples: wearing PPE, following proper lifting techniques, reporting near misses
I applied via Company Website and was interviewed in Oct 2022. There were 3 interview rounds.
I was interviewed in Feb 2023.
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Puzzles and Time Series Questions
How solar panels work and hydro-electric dams work
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
General Technical with awareness about domain
I applied via Recruitment Consulltant and was interviewed in Jan 2022. There was 1 interview round.
I applied via Campus Placement and was interviewed before Nov 2020. There were 5 interview rounds.
HVDC stands for High Voltage Direct Current. It is a system used for transmitting high voltage electricity over long distances.
HVDC systems are used to transmit electricity over long distances with minimal losses.
They are more efficient than traditional AC systems for long-distance transmission.
HVDC systems use converters to convert AC power to DC power and vice versa.
Examples of HVDC systems include the Itaipu HVDC sy...
A rectifier is an electronic device that converts AC to DC.
Rectifiers are commonly used in power supplies to convert AC voltage to DC voltage.
They can be made using diodes or other semiconductor devices.
Rectifiers are essential for many electronic devices to function properly.
Examples of rectifiers include bridge rectifiers, half-wave rectifiers, and full-wave rectifiers.
I applied via Approached by Company and was interviewed before Jul 2021. There were 2 interview rounds.
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