GAO Tek Quality Engineer Interview Questions and Answers

Leetcode questions, not very hard

Q1. General hr questions
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Basics of Aptitude and Engineering

Q1. Types of Transmission Lines
Ans. 
Transmission lines are used to carry signals or power from one point to another.
• Types include coaxial cables, twisted pair cables, and optical fibers.

• Coaxial cables have a central conductor surrounded by an insulating layer and a metallic shield.

• Twisted pair cables consist of two insulated copper wires twisted together to reduce interference.

• Optical fibers use light to transmit data and are made of glass or plastic fib...read more
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Q2. Diplexer vs Duplexer
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A diplexer is a device that separates or combines different frequency bands, while a duplexer is a device that allows two-way communication over a single channel.
• Diplexer is used to separate different frequency bands in communication systems.

• Duplexer allows two-way communication over a single channel by separating transmit and receive signals.

• Example: Diplexer is used in satellite communication to separate uplink and d...read more
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Q3. Phase delay vs Group delay
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Phase delay is the time difference between input and output signals, while group delay is the rate of change of phase delay with respect to frequency.
• Phase delay is the time delay experienced by a signal passing through a system, while group delay is the derivative of phase delay with respect to frequency.

• Phase delay is constant for all frequencies, while group delay varies with frequency.

• In audio systems, phase delay ...read more
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Q4. Antenna Basics of the RF
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Q5. Final year Project details
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Q1. Define series & parallel circuits
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Q2. What is ohm's law
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Q3. Capacitor symbol
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Q4. Resistance definition
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Q5. What is a relay
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Q1. About quality related questions
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Q1. About Our salary and family background
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Q1. About quality related
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Q1. 1)What is the sanity testing 2) what is the regression testing or re testing 3) scenario based questions 4)defect bug Life cycle 5)what is RTM and TRM
Ans. 
Answers to common QA Engineer interview questions
• Sanity testing is a quick check to ensure that the major functionalities of the software are working as expected

• Regression testing is retesting of the software after changes have been made to ensure that the existing functionalities are not affected

• Scenario-based questions are used to test the software in different scenarios to ensure that it works as expected in all sit...read more
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Q1. Salary discussion
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Q1. Introducing my self to company
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Q2. About picth, least count,
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Q3. Given drawing and componet to check dimensions
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Q4. CNC functions and uses
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CNC stands for Computer Numerical Control. It is a computerized system used to control machines for manufacturing purposes.
• CNC machines are used in various industries such as automotive, aerospace, and electronics.

• They are used to create complex shapes and designs with high precision.

• CNC machines can perform a variety of functions such as drilling, milling, and turning.

• They are programmed using CAD/CAM software to crea...read more
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Q5. About my diplomo subjects they asked question
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Q6. Asked about CAD Disign
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Q7. And the tools of CAD
Ans. 
CAD tools are used to create and modify designs in a digital format.
• CAD software such as AutoCAD, SolidWorks, and CATIA are commonly used

• Tools include drawing and modeling tools, measurement tools, and analysis tools

• CAD tools allow for precise and accurate designs to be created and modified quickly

• 3D printing and CNC machines can be used with CAD designs to create physical prototypes
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Q1. Basics knowledge of Electronics components and messuring instruments and what u done in ur previous company and ur skills and rules and responsibilities
Ans. Resistor, capacitors Diodes transistors transformer .... varniear caliper, micrometer , srew gauge
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Q1. Discuss about salary
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Q1. Coding questions
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Q2. Roles and Responsibilities
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Q1. More technical questions
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Q1. Salary discussion
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