Jubilant Foods Works Interview Questions and Answers

There are various sources of coal, including mines, coal seams, and coal deposits.

• Coal can be sourced from underground mines, where miners extract coal from the earth.

• Coal can also be sourced from open-pit mines, where large machinery is used to remove coal from the surface.

• Coal seams, which are layers of coal within rock formations, can be another source of coal.

• Coal deposits, which are accumulations of coal in specific areas, can also be a source of coal.

• Different regions a...read more

Preparation of coal involves several steps to remove impurities and improve its quality.

• Coal is first mined from underground or surface mines.

• It is then transported to a coal preparation plant.

• At the plant, coal is crushed, washed, and sorted into different sizes.

• Impurities like rocks, dirt, and sulfur are removed through various processes.

• The cleaned coal is then stored and transported to power plants or other users.

Multiple inheritance allows a class to inherit attributes and methods from more than one parent class.

• In multiple inheritance, a class can inherit from two or more parent classes.

• It can lead to the Diamond Problem where a class inherits from two classes that have a common ancestor.

• Languages like C++ support multiple inheritance.

• Example: class ChildClass : public ParentClass1, public ParentClass2 {}

An interface in software development defines a contract for classes to implement, specifying methods and properties that must be included.

• Interfaces in programming languages like Java, C#, and TypeScript allow for multiple inheritance by defining a set of methods that a class must implement.

• Interfaces are used to enforce a common structure across different classes, promoting code reusability and maintainability.

• Example: In Java, an interface 'Shape' may have methods like 'cal...read more

A developer failed to follow the Single Responsibility Principle.

• The developer may have created a class with too many responsibilities.

• The code may be difficult to maintain and modify.

• The code may violate other SOLID principles as well.

• Refactoring the code to adhere to SOLID principles may improve its quality and maintainability.

Inspection is the process of examining, testing, or evaluating something to ensure it meets certain standards or requirements.

• Inspection involves carefully examining a product, service, or process to identify any defects or non-conformities.

• It may include visual inspection, measurements, testing, and documentation review.

• The goal of inspection is to ensure quality, safety, and compliance with standards or specifications.

• Examples of inspection include checking the dimensions o...read more