Enertrak Quality Test Engineer Interview Questions and Answers

I have know all the basics ideas

Q1. Where u are strucking in studies?? Am not strucking in anywhere because I have knowledge on the subjects and also no backlogs in my subjects.
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Q2. What is linkedlist in java?? It is part object to address.
Ans. 
A linked list in Java is a data structure that consists of a sequence of elements where each element points to the next element in the sequence.
• Each element in a linked list is called a node.

• Nodes in a linked list are connected through pointers or references.

• Linked lists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and previous nodes).

• Example: LinkedList l
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Q1. After resume shortlist 1st round was telephonic interview and they're asking basics power electronics questions and some questions about ups & inverter
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Q2. Like resistor colour coding, transformer, capacitor, transistor, opam, controller, Battery, battery connection, digital electronics
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In second round it was face to face interview first they will give you question paper aptitude test & electronic questions they were ask in paper And then face to face interview about power electronics, control system, and digital electronics

Some questions of Basic reasoning like government group C exam ( blood relation, triangle, quadrilateral )

Q1. Starting from basic electronics and electrical, battery, Resister colour coding, ohms law Equations, series parallel connection, digital electronics ( binary to decimal conversion / hexadecimal to binary) ...read more
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Q1. Battery series connection and parallel connection
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Q2. Resistance series connection and parallel connection
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Q3. What are type of resistance
Ans. 
There are different types of resistance such as electrical, mechanical, thermal, and fluid resistance.
• Electrical resistance is the opposition to the flow of electric current through a material.

• Mechanical resistance is the force that opposes motion or deformation of a material.

• Thermal resistance is the opposition to the flow of heat through a material.

• Fluid resistance is the force that opposes the motion of a fluid thro...read more
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Technical written test- 30 questions were there mixed Electrical and Electronics Engineering related.

Q1. Basic Electricals and Electronics Engineering related questions with some other cross questionings.
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Basic Aptitude test following work,time,distance and Relations.

Q1. Basic Electricity & Power Electronics
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Q2. Dc-Dc converters Mosfet Triac transformers etc.
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Q1. Introduction and about work experience, following Family Background.
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Basic aptitude questions class 8th or 9th.

Q1. Tell me about different type of Transformer core.
Ans. 
Transformer cores can be classified into two types: laminated and toroidal.
• Laminated cores are made up of thin sheets of iron or steel that are stacked together and insulated with a non-conductive coating.

• Toroidal cores are circular in shape and are made up of a continuous strip of magnetic material wound into a coil.

• Laminated cores are commonly used in power transformers, while toroidal cores are used in audio transfo...read more
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Q2. What is power factor.
Ans. 
Power factor is the ratio of real power to apparent power in an AC circuit.
• It is a measure of how efficiently power is being used in a circuit.

• It ranges from 0 to 1, with 1 being the most efficient.

• A low power factor can result in increased energy costs and decreased equipment lifespan.

• Power factor correction can be used to improve power factor.

• Examples of devices with low power factor include motors, fluorescent light
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