Persistent Systems Junior Engineer Interview Questions and Answers

Q1. What are two stock and four stock engine
Ans. 
Two stock and four stock engines refer to the number of strokes in the engine cycle.
• Two stock engine: Intake, compression, power, exhaust in two strokes

• Four stock engine: Intake, compression, power, exhaust in four strokes

• Two stock engines are simpler and lighter, but less efficient than four stock engines

• Four stock engines are more common in modern vehicles due to better fuel efficiency and emissions control
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Q1. How the induction motor is started?
Ans. 
Induction motor is started by providing a rotating magnetic field in the stator winding.
• Start by connecting the stator winding to a three-phase AC power supply.

• The rotating magnetic field is produced in the stator winding, which induces current in the rotor bars.

• The induced current in the rotor bars creates a magnetic field, causing the rotor to start rotating.

• Common methods of starting induction motors include direct-...read more
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1st Round is Aptitude test.
Aptitude questions are very easy.

Q1. Technical interview questions are based on resume. Tech HR was very kind and polite. Easy to clear
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Q2. Reverse the string and swap two integers.
Ans. 
Reverse string and swap two integers in an array of strings.
• Iterate through each string in the array and reverse it using built-in functions or a loop.

• Swap two integers in the array by storing one in a temporary variable and then swapping their values.

• Ensure to handle edge cases like empty strings or non-integer elements in the array.
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Palindrom test with binary search algo

Trapping rain water test with leetcode

Q1. Ctc culture fit and other diwcussion
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It was full on language testing
You have to repeat the words when you listen you have to record it and upload it

Q1. What you know about osi reference model
Ans. 
The OSI reference model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model

• It helps in understanding how different networking protocols work together

• Each layer has specific functions and communicates with adjacent layers

• Examples of layers include physical layer, data link layer, network layer,
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Q2. What do you know about top/ip
Ans. 
Top/IP refers to the top-level Intellectual Property in a design, typically owned by a company or individual.
• Top/IP includes key components or features that differentiate a product or design from others.

• It is often protected by patents, trademarks, or copyrights to prevent unauthorized use.

• Companies may license or sell their top/IP to generate revenue or collaborate with others.

• Examples of top/IP include unique algorit...read more
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Q1. Normal simple questions What is your dream company Where are you from Are you Willing to relallocate
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Q1. What is ct parameters
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Q2. What is main tie main
Ans. 
Main tie main is a term used in civil engineering to refer to the primary structural element that holds a structure together.
• Main tie main is typically a large beam or column that bears the majority of the load in a structure.

• It is crucial for the stability and strength of the building.

• Examples include central columns in high-rise buildings or main beams in bridges.
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Aptitude and DSA questions majorly from GFG

3 coding questions moderate to hard difficulty

Q1. Coding questions of previous round, DS ,basic OOP and SQL
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Q1. Standard HR questions like tell me about yourself
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Amact test you need to clear then you will able to join with further interview

Need to discuss about topics given to you

Q1. Alla bout networking questions
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Q1. Casual questions
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