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I applied via Walk-in and was interviewed in Sep 2021. There was 1 interview round.
A template for elevator installation is created by measuring the dimensions of the elevator shaft and creating a blueprint.
Measure the dimensions of the elevator shaft
Create a blueprint based on the measurements
Include details such as the location of the elevator doors, control panel, and wiring
Ensure the template meets safety regulations and building codes
Motor alignment is the process of ensuring the motor shaft is properly aligned with the driven equipment.
Motor alignment is crucial for efficient and safe operation of elevator systems.
Misaligned motors can cause excessive vibration, premature wear and tear, and even catastrophic failure.
Alignment is achieved by adjusting the position of the motor and driven equipment until they are perfectly aligned.
Various tools and ...
The process of fixing a door in an elevator involves troubleshooting the issue and repairing or replacing the faulty components.
Inspect the door for any visible damage or misalignment
Check the door motor and sensors for proper functioning
Replace any damaged or worn-out components such as rollers, hinges, or tracks
Test the door after repair to ensure smooth operation and safety
Follow all safety protocols and regulations
Fix rail refers to the process of securing the rails in place for elevator installation.
Fixing the rail involves ensuring that it is level and securely fastened to the building structure.
The rail must be aligned properly to ensure smooth and safe elevator operation.
Different types of rails may require different installation methods, such as welding or bolting.
Proper installation of the rail is crucial for the safety an
Running clearance is the space required for the elevator car to move smoothly along the guide rails.
Running clearance is the distance between the guide rails and the elevator car.
It is important to ensure that the running clearance is sufficient to prevent any friction or interference between the car and the rails.
Running clearance can vary depending on the type of elevator and the manufacturer's specifications.
For exa...
There are several types of elevator openings depending on the building design and elevator type.
The most common types of elevator openings are center opening, side opening, and telescopic opening.
Center opening doors slide open from the middle and are commonly used in high-rise buildings.
Side opening doors slide open from one side and are commonly used in low-rise buildings.
Telescopic opening doors have multiple panels...
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I applied via Walk-in and was interviewed in Mar 2024. There were 2 interview rounds.
Installation mechanic and electrical wiring diagram
I applied via Campus Placement
It was the Basic aptitude round
I applied via campus placement at Pimpri Chinchwad College of Engineering, Pimpri and was interviewed in Aug 2022. There were 2 interview rounds.
There were 5 Coding questions. Out of 5, 2 Questions were based on SQL query with scheme diagram and 3 normal coding questions with problem statement. (Can use any language).
The 4 pillars of OOP are Abstraction, Encapsulation, Inheritance, and Polymorphism.
Abstraction: Hiding implementation details and showing only necessary information.
Encapsulation: Binding data and functions together to prevent external interference.
Inheritance: Creating new classes from existing ones, inheriting properties and methods.
Polymorphism: Using a single interface to represent multiple types of objects.
Code to print prime numbers in right angle triangle format.
Create a function to check if a number is prime or not.
Use nested loops to print the numbers in right angle triangle format.
Start with the first prime number and keep adding prime numbers to the triangle.
Example: 2 3 5 7 11 13 17 19 23 29
Answering Java related questions on encapsulation and inheritance.
Encapsulation is implemented in Java by declaring the variables as private and providing public getter and setter methods.
Java supports single, multiple and hierarchical inheritance.
Single inheritance is when a class extends only one parent class.
Multiple inheritance is when a class extends more than one parent class using interfaces.
Hierarchical inherit...
Exception handling in Java involves using try-catch-finally blocks to handle and manage exceptions.
Java provides a mechanism to handle runtime errors called exceptions.
The try block is used to enclose the code that might throw an exception.
The catch block is used to catch and handle the exception.
The finally block is used to execute code regardless of whether an exception occurred or not.
There are two types of exceptio...
I took a structured approach to learn data science.
Started with learning the basics of statistics and programming
Took online courses and read books on data science
Practiced on real-world datasets and participated in Kaggle competitions
Joined a data science community to learn from others and share knowledge
Continuously updated my skills and knowledge through online resources and attending conferences
I applied via campus placement at Academy of Technology, Kolkata and was interviewed in Jul 2022. There were 4 interview rounds.
There was a coding test
3 questions on programming and 2 questions from DBMS query part.
In DBMS question ER diagram is presented and tables. We need to find the output using our knowledge on query ( Oracle or MYSQL) databases.
Tip: Good Knowledge of Joins in required for DBMS.
Coding is easy to moderate level. ( One out of 3 can be moderately hard)
I applied via campus placement at Bharath University, Chennai and was interviewed in Nov 2022. There were 4 interview rounds.
They give 3coding question which are medium difficult and ask to write 2sqlqueries
It was easy and questions were asked about time and work
Second round was communication assessment it was also easy
I applied via campus placement at Krishna Institute of Engineering and Technology, Ghaziabad and was interviewed before Jul 2022. There were 3 interview rounds.
Questions were from basic mathematical reasoning, output questions & english
I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
Coding Test-There were 2 coding question which can be solve in any language and 2 sql queries
next was communication round - where they check your speaking and listening skills also few aptitute question.
every round is an elimination round.
Answering questions related to prime numbers, reversing strings, and palindrome numbers.
A prime number is a number that is only divisible by 1 and itself, such as 2, 3, 5, 7, 11, etc.
To reverse a string, you can use a loop to iterate through the string and append each character to a new string in reverse order.
Palindrome numbers are numbers that read the same backward as forward, such as 121, 1331, 1441, etc.
I applied via campus placement at Lovely Professional University (LPU) and was interviewed before May 2023. There were 3 interview rounds.
2 coding question and 3 sql query
Communication assement test
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