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I was interviewed before Feb 2024.
There are several types of gears including spur, helical, bevel, worm, rack and pinion, and planetary gears.
Spur gears have straight teeth and are the most common type of gear.
Helical gears have angled teeth for smoother and quieter operation.
Bevel gears have cone-shaped teeth and are used to change the direction of rotation.
Worm gears have a screw-like appearance and are used for high reduction ratios.
Rack and pinion ...
Bearings are used to reduce friction between moving parts and support loads in various mechanical systems.
Bearings reduce friction between moving parts, allowing for smooth rotation or linear motion.
They support loads by distributing the weight evenly across the bearing surface.
Bearings can be found in a wide range of applications, from automotive engines to industrial machinery.
Common types of bearings include ball be
To change the eot crane main hoist rope, follow these steps carefully.
Inspect the condition of the current rope for any signs of wear or damage
Secure the crane to prevent any movement during the rope replacement process
Remove the old rope by detaching it from the hoist drum and sheaves
Install the new rope by threading it through the sheaves and attaching it to the hoist drum
Tension the new rope properly and test the ho...
There are mainly three types of gear oil: mineral oil, synthetic oil, and semi-synthetic oil.
Mineral oil is derived from crude oil and is the most common type of gear oil.
Synthetic oil is man-made and offers better performance in extreme temperatures and conditions.
Semi-synthetic oil is a blend of mineral and synthetic oils, providing a balance between performance and cost.
Examples include Mobil 1 Synthetic Gear Lube, ...
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
posted on 23 Oct 2021
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Start from the first element and compare it with the next element
If the next element is smaller, swap them
Repeat this process for all elements in the array
Continue this process until no more swaps are needed
A program to print all prime numbers
Take input from user for range of numbers
Loop through the range and check if each number is prime
Print the prime numbers
Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.
Hashmap uses a hash function to map keys to indices in an array.
Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.
Examples of hashmap implementations include Java's HashMap class and Python's dict type.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class and can also add new properties and methods.
For...
I applied via Company Website and was interviewed in Oct 2020. There were 3 interview rounds.
Recursion is a process in which a function calls itself. Inheritance is a mechanism in OOP where a class inherits properties of another class. Heap is a region of memory used for dynamic memory allocation.
Recursion can be used to solve problems that can be broken down into smaller sub-problems.
Inheritance allows for code reuse and helps in creating a hierarchy of classes.
Heap is used for dynamic memory allocation in la...
posted on 10 Sep 2020
I applied via Company Website and was interviewed in Aug 2020. There were 3 interview rounds.
Connecting to a database has multiple options depending on the type of database and programming language used.
For SQL databases, options include using JDBC for Java, ODBC for C++, and ADO.NET for C#.
For NoSQL databases, options include using MongoDB's driver for Python or Node.js.
ORMs like Hibernate and Entity Framework can also be used to abstract away the database connection details.
Connection strings are used to spe...
I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.
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Maintenance Engineer
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BHEL
Hindustan Aeronautics
Larsen & Toubro Limited
TCS