Zen Chemiconsultech Process Engineer Interview Questions and Answers

Q1. What is dependency injection
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Commonly used in frameworks like Spring in Java
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Q1. Basic android questions
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Aptitude 60 min 25 qstns

Q1. SEM explain working method etc
Ans. 
SEM stands for Scanning Electron Microscope, a type of microscope that uses electrons to create high-resolution images of samples.
• SEM uses a focused beam of electrons to scan the surface of a sample

• The electrons interact with the atoms in the sample, producing signals that can be used to create an image

• SEM provides high-resolution images with magnifications up to 1,000,000x

• It is commonly used in materials science, biol
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Questions on outputs of c code, microprocessor, dbms queries

Easy to medium level 5 questions were asked

Q1. Project discussion, dbms normalisation, 2 3 dsa questions
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Easy mcqs and it will be cleared

It's very hard process

Q1. What is code and pulses
Ans. 
Code is a set of instructions written in a programming language to perform a specific task. Pulses are short bursts of energy or signals.
• Code is written in programming languages like Python, Java, C++, etc.

• Code instructs computers to perform specific tasks or operations.

• Pulses are short bursts of energy or signals used in electronics and communication systems.

• Examples of pulses include digital signals in computers and
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Q2. What is data structure
Ans. 
Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures define the way data is organized and stored in memory.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Choosing the right data structure is important for efficient data manipulation and retrieval.
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Technical Aptitude test

Data Structures and Algorithms

40 technical questions were there.

In total 5 questions were there. Time was alloted per question.

Q1. Questions from cv.
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Q2. DSA questions, they will give you a problem statement and ask to write the pseudo code.
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