S.S.ENGINEERING Production Graduate Engineer Trainee Interview Questions and Answers

Q1. Tel me about your project
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Q2. What is pca in ml
Ans. 
PCA stands for Principal Component Analysis, a dimensionality reduction technique used in machine learning.
• PCA is used to transform a dataset into a lower-dimensional space while retaining most of the original information.

• It identifies the directions (principal components) in which the data varies the most.

• The first principal component captures the maximum variance in the data, followed by the second, and so on.

• PCA is ...read more
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Q1. What is dependency injection
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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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50 multiple choice questions

Asked coding questions of DSA

Q1. Questions on computer networks
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Q2. Questions on SQL queries and DSA
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The test was easy; however, the cutoff score was quite high.

The coding round consisted of two medium-level data structures and algorithms questions.